MC908AZ32ACFU Freescale Semiconductor, MC908AZ32ACFU Datasheet - Page 172

• Manufacturer Part Number: MC908AZ32ACFU
• Description: IC MCU 32K FLASH 8.4MHZ 64-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC908AZ32ACFU

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: CAN, SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 40
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 15x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Serial Peirpheral Interface (SPI)
172
SCK CYCLE
NUMBER
CPHA = 1
CPHA = 0
SCK
SCK
CLOCK
CLOCK
CLOCK
CLOCK
CLOCK
BUS
BUS
BUS
BUS
BUS
MOSI
TO SPDR
TO SPDR
TO SPDR
TO SPDR
WRITE
WRITE
WRITE
WRITE
Figure 17-6. Transmission Start Delay (Master)
TO SPDR
WRITE
EARLIEST LATEST
EARLIEST
EARLIEST
EARLIEST
MC68HC908AZ32A Data Sheet, Rev. 2
INITIATION DELAY FROM WRITE SPDR TO TRANSFER BEGIN
SCK = INTERNAL CLOCK ÷ 128;
INITIATION DELAY
SCK = INTERNAL CLOCK ÷ 32;
128 POSSIBLE START POINTS
SCK = INTERNAL CLOCK ÷ 2;
SCK = INTERNAL CLOCK ÷ 8;
32 POSSIBLE START POINTS
2 POSSIBLE START POINTS
8 POSSIBLE START POINTS
MSB
1
BIT 6
2
LATEST
LATEST
LATEST
BIT 5
3
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