MC68HC916Y3CFT16 Freescale Semiconductor, MC68HC916Y3CFT16 Datasheet - Page 274
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MC68HC916Y3CFT16
Manufacturer Part Number
MC68HC916Y3CFT16
Description
IC MCU 96K FLASH 16MHZ 160-QFP
Manufacturer
Freescale Semiconductor
Series
HC16r
Datasheet
1.MC68HC916Y3CFT16.pdf
(500 pages)
Specifications of MC68HC916Y3CFT16
Core Processor
CPU16
Core Size
16-Bit
Speed
16MHz
Connectivity
EBI/EMI, SCI, SPI
Peripherals
POR, PWM, WDT
Number Of I /o
60
Program Memory Size
96KB (96K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
160-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
- Current page: 274 of 500
- Download datasheet (3Mb)
SCK (CPOL = 0)
SCK (CPOL = 1)
12.3.4.2 CPHA = 1 Transfer Format
12-10
(FROM MASTER)
(FROM SLAVE)
SS (TO SLAVE)
MOTOROLA
MISO
When CPHA equals zero, the SS line must be negated and reasserted between each
successive serial byte. If the slave writes data to the SPI data register while SS is as-
serted (low), a write collision error results. To avoid this problem, the slave should read
bit three of PORTMCP, which indicates the state of the SS pin, before writing to the
SPDR again.
Figure 12-4 is a timing diagram of an eight-bit, MSB-first SPI transfer in which CPHA
equals one. Two waveforms are shown for SCK, one for CPOL equal to zero and
another for CPOL equal to one. The diagram may be interpreted as a master or slave
timing diagram since the SCK, MISO and MOSI pins are directly connected between
the master and the slave. The MISO signal shown is the output from the slave and the
MOSI signal shown is the output from the master. The SS line is the slave select input
to the slave.
For a master, writing to the SPDR initiates the transfer. For a slave, the first edge of
SCK indicates the start of a transfer. The SPI is left-shifted on the first and each
succeeding odd clock edge, and data is latched on the second and succeeding even
clock edges.
MOSI
(FOR REFERENCE)
SCK CYCLE #
* NOT DEFINED BUT NORMALLY LSB OF PREVIOUSLY TRANSMITTED CHARACTER
*
Figure 12-4 CPHA = 1 SPI Transfer Format
MULTICHANNEL COMMUNICATION INTERFACE
MSB
MSB
1
2
6
6
3
5
5
4
4
4
5
3
3
6
2
2
7
1
1
MC68HC16Y3/916Y3
LSB
8
USER’S MANUAL
LSB
CPHA = 1 SPI TRANSFER
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