MC68HC908GT8CFB Freescale Semiconductor, MC68HC908GT8CFB Datasheet - Page 204

• Manufacturer Part Number: MC68HC908GT8CFB
• Description: IC MCU 8K FLASH 8MHZ 44-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908GT8CFB

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 34
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Serial Peripheral Interface (SPI) Module
204
SPSCK CYCLE
CPHA = 1
CPHA = 0
NUMBER
CLOCK
CLOCK
CLOCK
CLOCK
CLOCK
SPSCK
SPSCK
MC68HC908GT16 • MC68HC908GT8 • MC68HC08GT16 Data Sheet, Rev. 5.0
MOSI
BUS
BUS
BUS
BUS
BUS
Figure 16-8. Transmission Start Delay (Master)
TO SPDR
TO SPDR
TO SPDR
WRITE
WRITE
WRITE
TO SPDR
TO SPDR
WRITE
WRITE
EARLIEST
EARLIEST
EARLIEST
EARLIEST
INITIATION DELAY FROM WRITE SPDR TO TRANSFER BEGIN
LATEST
INITIATION DELAY
128 POSSIBLE START POINTS
32 POSSIBLE START POINTS
SPSCK = BUS CLOCK ÷ 128;
8 POSSIBLE START POINTS
SPSCK = BUS CLOCK ÷ 32;
SPSCK = BUS CLOCK ÷ 8;
2 POSSIBLE START POINTS
SPSCK = BUS CLOCK ÷ 2;
MSB
1
BIT 6
2
LATEST
LATEST
LATEST
BIT 5
3
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