MCZ33781EK Freescale Semiconductor, MCZ33781EK Datasheet

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MCZ33781EK

Manufacturer Part Number
MCZ33781EK
Description
IC MASTER DSI 2.02 DIFF 32-SOIC
Manufacturer
Freescale Semiconductor
Datasheet

Specifications of MCZ33781EK

Applications
Automotive Systems
Interface
SPI
Voltage - Supply
4.75 V ~ 5.25 V
Package / Case
32-SOIC (7.5mm Width) Exposed Pad, 32-eSOIC, 32-HSOIC
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MCZ33781EK
Manufacturer:
FREESCALE
Quantity:
20 000
Freescale Semiconductor
Advance Information
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
© Freescale Semiconductor, Inc., 2007-2009. All rights reserved.
Quad DSI 2.02 Master with
Differential Drive and
Frequency Spreading
It contains the logic to interface the buses to a standard serial
peripheral interface (SPI) port and the analog circuitry to drive data
and power over the bus, as well as receive data from the remote slave
devices.
electromagnetic interference (EMI) in situations where data rates and
wiring make this a problem. Frequency spreading further reduces
interference by spreading the energy across many frequencies,
reducing the energy in any single frequency.
Features
• Four independent differential DSI (DBUS) channels
• Dual SPI interface
• Enhanced bus fault performance
• Automatic message cyclical redundancy checking (CRC)
• Enhanced register set with addressable buffer allows queuing of 4
• 8- to 16-Bit messages with 0- to 8-Bit CRC
• Independent frequency spreading for each channel
• Pseudo bus switch feature on channel 0
• Pb-free packaging designated by suffix code EK
The 33781 is a master device for four differential DSI 2.02 buses.
The differential mode of the 33781 generates lower
generation and checking for each channel
independent slave commands at one time for each channel
MCU1
MCU2
GND
GND
SCLK1
MISO1
SCLK
MOSI
MISO
VCC
RST
CLK
CS1
CS
+5.0V
0.1μF
Figure 1. 33781 Simplified Application Diagram
VCC
SCLK0
CS0
MOSI0
MISO0
RST
CLK
VDD
VSS_IDDQ
SCLK1
MISO1
CS1
AGND
33781
GND
VSUP1
DPH
D0H
D1H
D2H
D3H
VSS
DPL
D0L
D1L
D2L
D3L
+25V
MCZ33781EK/R2
1.0μF
Device
DIFFERENTIAL DSI 2.02 MASTER
ORDERING INFORMATION
EK SUFFIX (PB-FREE)
2.2nF capacitors from DOH, D0L,
D1H, D1L, D2H, D2L, D3H and D3L
to circuit ground are required for
proper operation
32-PIN SOICW EP
98ASA10556D
Document Number: MC33781
-40°C to 90°C
Temperature
33781
Range (T
DBUS SLAVE
DBUS SLAVE
DBUS SLAVE
DBUS SLAVE
DBUS SLAVE
A
)
Rev. 5.0, 11/2009
32 SOICW EP
Package

Related parts for MCZ33781EK

MCZ33781EK Summary of contents

Page 1

... Figure 1. 33781 Simplified Application Diagram * This document contains certain information on a new product. Specifications and information herein are subject to change without notice. © Freescale Semiconductor, Inc., 2007-2009. All rights reserved. DIFFERENTIAL DSI 2.02 MASTER ORDERING INFORMATION Device MCZ33781EK/R2 +25V 33781 VCC VSUP1 1.0μF SCLK0 ...

Page 2

... Figure 2. 33781 Internal Block Diagram VSUP2 Pseudo Bus Switch DPH D0H DBUS Driver/Receiver D0L Pseudo Bus Switch DPL D1H DBUS Driver/Receiver D1L D2H DBUS Driver/Receiver D2L D3H DBUS Driver/Receiver D3L GND GND GND VSS Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 3

... Reset 2 SCLK0 Input 3 MOSI0 Input 4 MISO0 Output 5 SCLK1 Input 6 MISO1 Output 7 CS0 Input 8 AGND Ground 9 CS1 Input 10 VSS Ground 11 VDD Power Analog Integrated Circuit Device Data Freescale Semiconductor PIN CONNECTIONS RST CS0 CS1 9 24 VSS 10 23 VDD 11 22 VPP 12 21 VCC ...

Page 4

... This supply input is used to provide the positive level output of buses 0 Positive Supply for and 1. Bus Outputs Bus 0 high side High Side Bus 0 Bus 0 low side Low Side Bus 0 Bus power return Power Ground page 15. Definition Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 5

... Temperature and Moisture Sensitivity Levels (MSL www.freescale.com, search by part number [e.g. remove prefixes/suffixes and enter the core ID to view all orderable parts. (i.e. MC33xxxD enter 33xxx), and review parametrics. Analog Integrated Circuit Device Data Freescale Semiconductor ELECTRICAL CHARACTERISTICS MAXIMUM RATINGS Symbol ...

Page 6

... I PD 5.0 Analog Integrated Circuit Device Data ≤ 90°C, unless otherwise A Typ Max Unit mA – 16 – 33 – – 10.0 – 12.0 – 9.9 V – 25 μ +0 1.0 - 0.5 pF – 10 – – 0.8 V – μA – 10 – 10 μA -30 -10 μ μ Freescale Semiconductor ...

Page 7

... VSUPn - DnD MID_OFFSET 9. Worst Case Disabled Low Side Bus Leakage for DnL occurs with DnL = V current can exceed 1mA. This is not measured in production. Analog Integrated Circuit Device Data Freescale Semiconductor ≤ 5.25V, 9.0V ≤ V ≤ 25V,-40°C ≤ SUPn Symbol (7)(8) ...

Page 8

... DPLLK COMP 5.0 HIGH COMP 5.0 LOW COMP 6.0 ADD Analog Integrated Circuit Device Data ≤ 90°C, unless otherwise A Typ Max Unit 8.0 16.0 Ω Ω 8.0 16.0 Ω – 1.0 – 20 μA – 20 μA 6.0 7.0 mA 6.0 7 Freescale Semiconductor ...

Page 9

... SCLKn, MOSI0 Notes 10. Not measured in production. 11. SPI signal timing from the production test equipment is programmed to ensure compliance. 12. Conditions are verified indirectly during test. Analog Integrated Circuit Device Data Freescale Semiconductor ≤ 5.25V, 9.0V ≤ V ≤ 25V,-40°C ≤ T SUPn CC Symbol t CLKHI t ...

Page 10

... BIT – – 5.3 – – 1.0 – – 1.0 – – 1.0 3.0 5.0 7.0 2 BIT BIT t BIT 1 BIT BIT t BIT Analog Integrated Circuit Device Data Freescale Semiconductor Unit V/μs V/μs kbps μs μs μs μs μs μs ...

Page 11

... Common Mode Current Noise Rejection (2.5ms max.) SPREAD SPECTRUM Base Frequency Range PSEUDO BUS Pseudo Bus On Delay Time Pseudo Bus Off Delay Time Notes 15. Not measured in production. Analog Integrated Circuit Device Data Freescale Semiconductor ≤ 5.25V, 9.0V ≤ V ≤ 25V,-40°C ≤ SUPn Symbol Min (15) t – ...

Page 12

... DVLD1 DnD V SUPn 6.5V 5.5V 4.5V 3.2V 2.8V 1. OUT 6.0mA 0mA t DRH 5.0V DSIR 0V 33781 12 TIMING DIAGRAMS t t BIT BIT Logic 1 Logic 0 t DVLD3 t DVLD2 t DRL Figure 4. DBUS Timing Characteristics t BIT t DVLD4 t SLEW(FRAME) t SLEW(SIGNAL Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 13

... MID DnL 0V DnH V SUPn Over-voltage Threshold V + 2.25V MID V + 0.75V MID V (Clamped) MID V - 0.75V MID V - 2.25V MID DnL 0V Analog Integrated Circuit Device Data Freescale Semiconductor Figure 5. DBUS Normal Bus Waveforms Figure 6. DBUS Over-voltage Bus Waveforms TIMING DIAGRAMS DYNAMIC ELECTRICAL CHARACTERISTICS 33781 13 ...

Page 14

... V OH MISO1 X MSB Don’t care 70 VIL = 30% VCC, VOL = 30% VCC 33781 14 t CYC Figure 7. SPI0 Interface Timing t CYC Figure 8. SPI1 Interface Timing LAG LSB t DIS V OH LSB LAG DIS V OH LSB V OL Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 15

... This is the SPIn data from SPIn to the SPIn master. Data changes on the negative (falling) transition of the associated SCLKn. Analog Integrated Circuit Device Data Freescale Semiconductor FUNCTIONAL DESCRIPTIONS INTRODUCTION amount of change between the two bus wires, the capacitance to ground only conducts half as much current as it would if connected directly across the bus ...

Page 16

... Figure used to create the SUP1 is used SUP2 are required for internal functions: for is supplied REG_8V -derived charge pump SUP2 GND (32) D0H/L DBUS 0 Driver/ Receiver D1H/L DBUS 1 GND (24) DBUS 2 D2H/L DBUS 3 Driver/ Receiver D3H/L GND (18) Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 17

... The SPI slave-type device, so MOSI0 (Master- Out-Slave-In input and MISO0 (Master-In-Slave-Out output. and SCLK0 are also inputs. CS0 Analog Integrated Circuit Device Data Freescale Semiconductor Supply Voltage VSUP Voltage Monitor Logic and Control Over-current Sensing Logic and Control Figure 10. Block Illustration The SPI0 port can handle 2-byte and 4-byte transfers ...

Page 18

... This differential signal is buffered and slew rate controlled by DnH DnH DnL DnL Common Common Mode Mode Correction Correction Table 6. T DSIS DSIR DnD Return Data Signal Low 1 0 Return Data Signal High High-impedance Idle High-impedance Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 19

... To check for this, each of the three receiver filter Analog Integrated Circuit Device Data Freescale Semiconductor FUNCTIONAL DESCRIPTIONS FUNCTIONAL INTERNAL BLOCK DESCRIPTION outputs is passed to a CRC generation and checking block. ...

Page 20

... Receiver Receiver N/A 1 High Receiver Receiver L Sum0 Receiver Receiver 1 High Receiver Receiver N/A 1 High Receiver Receiver N/A 0 Sum0 Sum1 Receiver Receiver N/A 1 High Analog Integrated Circuit Device Data Freescale Semiconductor SPI1 Low Low Low Low Low Low Low Low Low Low ...

Page 21

... Base Time Period (from DxFSEL) 8 Analog Integrated Circuit Device Data Freescale Semiconductor the DxSSCTL registers) allowed beyond the base time period. The resulting value is added to the minimum bit time and fed to the bit clock logic, which generates the DSI bit clock. ...

Page 22

... CS0. If the address pointed to by the first byte is not a control shows an example of a write operation. During XXXXXXXX DATA FROM D0R0STAT shows the bit encoding for 16-bit SPI0 burst Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 23

... ER Figure 16. SPI0 Communications, 32-Bit Burst Transfer Long Word DBUS Transfer Bit Definitions Analog Integrated Circuit Device Data Freescale Semiconductor addressable FIFO portion of the register set. In this case, the first byte is again the 1st address of the register to be accessed in this read/write, the second byte contains the upper two bits of the data to be written, and the third byte is the lower 8-bits of data to be written ...

Page 24

... During these buffer reads buffer position does not contain data skipped. After each buffer location is read it is cleared by the SPI1 logic. Figure 18. SPI1 16-Bit Burst Transfer Example Bit2 Bit1 Bit0 ADDR2 ADDR1 ADDR0 Bit2 Bit1 Bit0 FIX0 FIX1 Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 25

... DnH and/or DnL. When the minimum inter-frame delay has been satisfied, and CS0 has risen, and if no SPI0 framing error has occurred, DSIF will go low, indicating the start of a new transfer frame. Analog Integrated Circuit Device Data Freescale Semiconductor Bit 4 Bit 5 Bit 6 Bit 7 ...

Page 26

... Bits three to zero of the data and the CRC bits are lost. Data bits seven to four of the 16-bit response Figure VHDL Input Data = X4+1 Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 27

... The register pointer and bit pointer are used to control which registers and bits are being written to, and read from using Analog Integrated Circuit Device Data Freescale Semiconductor peripheral in line on the bus. Each peripheral responds to an address assignment only once (during the next message after the command that set its address) ...

Page 28

... The CRC bits are removed by the IC and not seen by the MCU, when reading the data registers. Operation of the CRC Check is covered in the section entitled CRC GENERATION / CHECKING on page 26. Analog Integrated Circuit Device Data Freescale Semiconductor CRC ...

Page 29

... D1R3H DBUS 1 Reg 3 Lower Byte 0011111 D1R3L Analog Integrated Circuit Device Data Freescale Semiconductor LOGIC COMMANDS AND REGISTERS of control registers, along with separate command and data registers, for queuing up to four commands. There are also registers containing check pattern data. Bit7 ...

Page 30

... D10 FIX0 FIX1 D10 FIX0 FIX1 D10 FIX0 FIX1 D10 FIX0 FIX1 - LOOP1 LOOP0 CRC CRC CRC POLY2 POLY1 POLY0 CRCSEE CRCSEE CRCSEE CRC CRC CRC LEN2 LEN1 LEN0 - DEV2 DEV1 DEV0 FSEL2 FSEL1 FSEL0 - - - - - - - - Freescale Semiconductor ...

Page 31

... NCKCD1 Negative Check Pattern 2 1011000 NCKCD2 RESERVED Writes/reads of this address 1011001 are ignored RESERVED Writes/reads of this address 1011010 are ignored Analog Integrated Circuit Device Data Freescale Semiconductor LOGIC COMMANDS AND REGISTERS Bit7 Bit6 Bit5 Bit4 Bit3 D15 D14 D13 D12 D11 ...

Page 32

... This bit indicates that data has been written to the associated channel register high and/or low, but has not been read for sending on the DBUS. The bit is set the rising Figure 24. Even Bit 10 Bit 9 Bit Bit 2 Bit 1 Bit Figure 26 FIX0 FIX1 Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 33

... IDLE voltage level. The time is measured from the end of a DBUS transaction (signaled by the start of the signal Analog Integrated Circuit Device Data Freescale Semiconductor During Idle mode, the current limit is independently sensed on both the high side and the low side of the bus driver. An over-current fault condition occurs if either DnH or DnL is within the sourcing or sinking limit (500mA) ...

Page 34

... Reads of this bit show the current state of the low side bus switch. The BSWL bit is cleared and the bus switch opened channel 0 thermal shutdown occurs, if the channel zero EN 29 BSWH BSWL EN (D0EN only) (D0EN only Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 35

... A write to the register will abort any current activity on the bus. Any bit changes will take place on the next DBUS Analog Integrated Circuit Device Data Freescale Semiconductor stopped. If the write is to channel 0, the pseudo bus switches are also opened and the BSWH and BSWL bits are cleared. ...

Page 36

... This ID can reflect the version, design change number, or other encoded information. The purpose is for the central module CPU to be able to know what version of silicon Figure 33 DEV2 DEV1 DEV0 FSEL2 FSEL1 FSEL0 Table 8 gives some examples of the max bit = 4.0MHz. CLK Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 37

... NCKPTN23 NCKPTN22 NCKPTN21 NCKPTN20 NCKPTN19 NCKPTN18 NCKPTN17 NCKPTN16 Reset 0 Read NCKPTN15 NCKPTN14 NCKPTN13 NCKPTN12 NCKPTN11 NCKPTN10 NCKPTN09 NCKPTN08 Reset 1 Read NCKPTN07 NCKPTN06 NCKPTN05 NCKPTN04 NCKPTN03 NCKPTN02 NCKPTN01 NCKPTN00 Reset 0 Figure 37. Negative Check Pattern Registers Bit Assignments Analog Integrated Circuit Device Data Freescale Semiconductor Figure ID6 ID5 ID4 ID3 Figure 35 ...

Page 38

... SPI0 and SPI1. The programmed inter-frame delay is then enforced (using the new values of the delay control bits) to allow reservoir capacitors in remote Analog Integrated Circuit Device Data Freescale Semiconductor Figure 6. ...

Page 39

... When loop mode is enabled the transmitter and receiver circuits are connected within the IC. This allows data to be passed directly through the transmit and receive circuits Analog Integrated Circuit Device Data Freescale Semiconductor FUNCTIONAL DEVICE OPERATION PROTECTION AND DIAGNOSTIC FEATURES without going out on the DBUS channel. When LOOP mode ...

Page 40

... PACKAGING PACKAGE DIMENSIONS For the most current package revision, visit 33781 40 PACKAGING PACKAGE DIMENSIONS www.freescale.com and perform a keyword search using the “98A” listed below. EK SUFFIX (PB-FREE) 32-PIN 98ASA10556D ISSUE B Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 41

... Analog Integrated Circuit Device Data Freescale Semiconductor EK SUFFIX (PB-FREE) 32-PIN 98ASA10556D ISSUE B PACKAGE DIMENSIONS 33781 41 ...

Page 42

... PACKAGE DIMENSIONS 33781 42 EK SUFFIX (PB-FREE) 32-PIN 98ASA10556D ISSUE B Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 43

... Changed line to read: In addition, the device monitors the current limit on each channel 7/2008 4 to see if the channel is in “double current limit” during every idle state. In the CURRENT Protection • Changed Part Number from PCZ33781EK/R2 to MCZ33781EK/R2 11/2009 5.0 Analog Integrated Circuit Device Data Freescale Semiconductor ...

Page 44

... Freescale Semiconductor was negligent regarding the design or manufacture of the part. Freescale™ and the Freescale logo are trademarks of Freescale Semiconductor, Inc ...

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