MC68HC908GZ8MFJ Freescale Semiconductor, MC68HC908GZ8MFJ Datasheet - Page 234

• Manufacturer Part Number: MC68HC908GZ8MFJ
• Description: IC MCU 8K FLASH 8MHZ CAN 32-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908GZ8MFJ

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: CAN, LIN, SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 21
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Serial Peripheral Interface (SPI) Module
234
RECEIVER/ERROR CPU INTERRUPT REQUEST
TRANSMITTER CPU INTERRUPT REQUEST
SPMSTR
DIVIDER
CLOCK
CGMOUT ÷ 2
FROM SIM
SHIFT REGISTER
GENERATOR
÷ 128
SPE
MASTER MCU
BAUD RATE
÷ 32
÷ 2
÷ 8
Figure 17-4. Full-Duplex Master-Slave Connections
SPR1
MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 4
SELECT
CLOCK
Figure 17-3. SPI Module Block Diagram
RESERVED
RESERVED
SPR0
MISO
MOSI
SPSCK
SS
7
CONTROL
TRANSMIT DATA REGISTER
RECEIVE DATA REGISTER
6
SPI
SHIFT REGISTER
INTERNAL BUS
5
4
V
DD
3
MODF
OVRF
SPRF
SPTE
SPMSTR
2
1
MODFEN
SPSCK
ERRIE
SPTIE
SPRIE
SPE
MISO
MOSI
0
CLOCK
LOGIC
CPHA
SS
CPOL
SPWOM
SHIFT REGISTER
SLAVE MCU
M
S
CONTROL
LOGIC
PIN
Freescale Semiconductor
MISO
MOSI
SPSCK
SS