MC908GZ60CFJE Freescale Semiconductor, MC908GZ60CFJE Datasheet - Page 254

IC MCU 60K FLASH 8MHZ 32-LQFP

MC908GZ60CFJE

Manufacturer Part Number
MC908GZ60CFJE
Description
IC MCU 60K FLASH 8MHZ 32-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet

Specifications of MC908GZ60CFJE

Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
CAN, SCI, SPI
Peripherals
LVD, POR, PWM
Number Of I /o
21
Program Memory Size
60KB (60K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 24x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
Controller Family/series
HC08
No. Of I/o's
21
Ram Memory Size
2KB
Cpu Speed
8MHz
No. Of Timers
2
Embedded Interface Type
CAN, SCI, SPI
Rohs Compliant
Yes
Processor Series
HC08GZ
Core
HC08
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
CAN, ESCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
53
Number Of Timers
8
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, DEMO908GZ60E, M68EML08GZE
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 24 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
 Details

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Serial Peripheral Interface (SPI) Module
When enabled, the SPI controls data direction of the MOSI pin regardless of the state of the data direction
register of the shared I/O port.
16.11.3 SPSCK (Serial Clock)
The serial clock synchronizes data transmission between master and slave devices. In a master MCU,
the SPSCK pin is the clock output. In a slave MCU, the SPSCK pin is the clock input. In full-duplex
operation, the master and slave MCUs exchange a byte of data in eight serial clock cycles.
When enabled, the SPI controls data direction of the SPSCK pin regardless of the state of the data
direction register of the shared I/O port.
16.11.4 SS (Slave Select)
The SS pin has various functions depending on the current state of the SPI. For an SPI configured as a
slave, the SS is used to select a slave. For CPHA = 0, the SS is used to define the start of a transmission.
(See
toggled high and low between each byte transmitted for the CPHA = 0 format. However, it can remain low
between transmissions for the CPHA = 1 format. See
When an SPI is configured as a slave, the SS pin is always configured as an input. It cannot be used as
a general-purpose I/O regardless of the state of the MODFEN control bit. However, the MODFEN bit can
still prevent the state of SS from creating a MODF error. See
When an SPI is configured as a master, the SS input can be used in conjunction with the MODF flag to
prevent multiple masters from driving MOSI and SPSCK. (See
the SS pin to set the MODF flag, the MODFEN bit in the SPSCK register must be set. If MODFEN is 0 for
an SPI master, the SS pin can be used as a general-purpose I/O under the control of the data direction
register of the shared I/O port. When MODFEN is 1, SS is an input-only pin to the SPI regardless of the
state of the data direction register of the shared I/O port.
The CPU can always read the state of the SS pin by configuring the appropriate pin as an input and
reading the port data register. See
254
16.4 Transmission
A high on the SS pin of a slave SPI puts the MISO pin in a high-impedance
state. The slave SPI ignores all incoming SPSCK clocks, even if it was
already in the middle of a transmission.
MASTER SS
MISO/MOSI
SLAVE SS
SLAVE SS
CPHA = 0
CPHA = 1
MC68HC908GZ60 • MC68HC908GZ48 • MC68HC908GZ32 Data Sheet, Rev. 6
Formats.) Since it is used to indicate the start of a transmission, SS must be
Table 16-2.
BYTE 1
Figure 16-13. CPHA/SS Timing
NOTE
Figure
BYTE 2
16-13.
16.12.2 SPI Status and Control Register.
16.6.2 Mode Fault Error.)
BYTE 3
Freescale Semiconductor
For the state of

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