MC68HC908AT32 Datasheet, PDF (25/378 Pages) Freescale Semiconductor, Inc – Microcontrollers

M68HC08 CPU
CPU
REGISTERS
ARITHMETIC/LOGIC
UNIT (ALU)
CONTROL AND STATUS REGISTERS — 62 BYTES
USER FLASH — 32,768 BYTES
USER RAM — 1024 BYTES
USER EEPROM — 512 BYTES
MONITOR ROM — 224 BYTES
USER FLASH VECTOR SPACE — 48 BYTES
OSC1
OSC2
CGMXFC
CLOCK GENERATOR
MODULE
RST
SYSTEM INTEGRATION
MODULE
IRQ
IRQ MODULE
VV_DSDS
V_DDA
V_SSA
POWER-ON RESET
MODULE
POWER
V_REFH
ANALOG-TO-DIGITAL
MODULE
BREAK MODULE
LOW-VOLTAGE INHIBIT
MODULE
COMPUTER OPERATING
PROPERLY MODULE
TIMER A 4-CHANNEL
INTERFACE MODULE
TIMER B INTERFACE
MODULE
SERIAL COMMUNICATIONS
INTERFACE MODULE
SERIAL PERIPHERAL
INTERFACE MODULE
KEYBOARD INTERRUPT
MODULE
PERIODIC INTERRUPT
TIMER MODULE
AV_SS/V_REFL
V_DDAREF
PTA7–PTA0
PTB7/ATD7–PTB0/ATD0
PTC5–PTC3
PTC2/MCLK
PTC1–PTC0
PTD7
PTD6/TACLK
PTD5
PTD4/TBCLK
PTD3–PTD0
PTE7/SPSCK
PTE6/MOSI
PTE5/MISO
PTE4/SS
PTE3/TACH1
PTE2/TACH0
PTE1/RxD
PTE0/TxD
PTF6
PTF5/TBCH1–PTF4/TBCH0
PTF3-PTF2
PTF1/TACH3
PTF0/TACH2
PTG2/KBD2–PTG0/KBD0
PTH1/KBD4–PTH0/KBD3
MSCAN MODULE
CANRx
CANTx
Figure 1-1. MCU Block Diagram for the MC68HC08AZ32 Emulator (64-Pin QFP)