MC68HC908AB32CFU Freescale Semiconductor, MC68HC908AB32CFU Datasheet - Page 32

• 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

† Ports are software configurable with pullup device if input port.
‡ Higher current drive port pins
* Pin contains integrated pullup device
** Pullup enabled when configured as keyboard interrupt pin
CONTROL AND STATUS REGISTERS — 80 BYTES
A
VSS
CGMXFC
V
REGISTERS
DDAREF
/V
OSC1
OSC2
* RST
V
* IRQ
V
V
USER FLASH VECTORS — 48 BYTES
REFH
REFL
V
V
DDA
SSA
CPU
DD
SS
USER FLASH — 32,256 BYTES
USER EEPROM — 512 BYTES
MONITOR ROM — 307 BYTES
USER RAM — 1024 BYTES
CLOCK GENERATOR MODULE
M68HC08 CPU
4.9125-MHz OSCILLATOR
8-BIT ANALOG-TO-DIGITAL
PHASE-LOCKED LOOP
SYSTEM INTEGRATION
SINGLE EXTERNAL IRQ
CONVERTER MODULE
ARITHMETIC/LOGIC
MODULE
MODULE
POWER
UNIT (ALU)
Figure 1-1. MC68HC908AB32 Block Diagram
4-CHANNEL TIMER INTERFACE
4-CHANNEL TIMER INTERFACE
PROGRAMMABLE INTERRUPT
SERIAL COMMUNICATIONS
COMPUTER OPERATING
INTERFACE MODULE
SERIAL PERIPHERAL
INTERFACE MODULE
INTERRUPT MODULE
PROPERLY MODULE
POWER-ON RESET
INHIBIT MODULE
TIMER MODULE
INTERNAL BUS
LOW-VOLTAGE
KEYBOARD
MODULE A
MODULE B
MODULE
PTA7 – PTA0
PTB7/ATD7 – PTB0/ATD0
PTC5 – PTC0
(PTC2/MCLK)
PTD7 – PTD0
(PTD6/TACLK)
(PTD4/TBCLK)
PTG2/KBD2 – PTG0/KBD0 **
PTH1/KBD4 – PTH0/KBD3 **
PTE7/SPSCK
PTE6/MOSI
PTE5/MISO
PTE4/SS
PTE3/TACH1
PTE2/TACH0
PTE1/RxD
PTE0/TxD
PTF7
PTF6
PTF5/TBCH1
PTF4/TBCH0
PTF3/TBCH3
PTF2/TBCH2
PTF1/TACH3
PTF0/TACH2
†
†
†‡
†
†
†
†
†
†