MC68HC908AB32CFU Freescale Semiconductor, MC68HC908AB32CFU Datasheet - Page 29

• Manufacturer Part Number: MC68HC908AB32CFU
• Description: IC MCU 8MHZ 32K FLASH 64-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908AB32CFU

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: POR, PWM
• Number Of I /o: 51
• 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 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

1.1 Contents
MC68HC908AB32
Freescale Semiconductor
Technical Data — MC68HC908AB32
—
Rev. 1.1
1.2
1.3
1.4
1.5
1.6
1.6.1
1.6.2
1.6.3
1.6.4
1.6.5
1.6.6
1.6.7
1.6.8
1.6.9
1.6.10
1.6.11
1.6.12
1.6.13
1.6.14
1.6.15
1.6.16
1.6.17
1.6.18
1.7
1.8
1.9
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
MCU Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Pin Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
I/O Pin Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Signal Name Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Clock Source Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Power Supply Pins (V
Oscillator Pins (OSC1 and OSC2) . . . . . . . . . . . . . . . . . . . . 35
External Reset Pin (RST) . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
External Interrupt Pin (IRQ) . . . . . . . . . . . . . . . . . . . . . . . . . 35
Analog Power Supply Pin (V
Analog Ground Pin (V
Analog Ground Pin (A
ADC Voltage Reference Pin (V
Analog Supply Pin (V
External Filter Capacitor Pin (CGMXFC) . . . . . . . . . . . . . . . 36
Port A Input/Output (I/O) Pins (PTA7–PTA0) . . . . . . . . . . . . 36
Port B I/O Pins (PTB7/ATD7–PTB0/ATD0) . . . . . . . . . . . . . 36
Port C I/O Pins (PTC5–PTC0) . . . . . . . . . . . . . . . . . . . . . . . 36
Port D I/O Pins (PTD7–PTD0) . . . . . . . . . . . . . . . . . . . . . . . 37
Port E I/O Pins (PTE7/SPSCK–PTE0/TxD) . . . . . . . . . . . . . 37
Port F I/O Pins (PTF7–PTF0/TACH2) . . . . . . . . . . . . . . . . . 37
Port G I/O Pins (PTG2/KBD2–PTG0/KBD0) . . . . . . . . . . . . 37
Port H I/O Pins (PTH1/KBD4–PTH0/KBD3). . . . . . . . . . . . . 37
General Description
Section 1. General Description
DDAREF
DD
SSA
VSS
and V
) . . . . . . . . . . . . . . . . . . . . . . . . . . 35
/V
REFL
DDA
) . . . . . . . . . . . . . . . . . . . . . . . 36
REFH
SS
) . . . . . . . . . . . . . . . . . . . . .35
). . . . . . . . . . . . . . . . . . . . .35
) . . . . . . . . . . . . . . . . . . . . 34
) . . . . . . . . . . . . . . . . . . 36
Technical Data
29