MC908AZ32ACFUE Datasheet, PDF (21/324 Pages) Freescale Semiconductor, Inc – Microcontrollers

M68HC08 CPU
CPU
REGISTERS
ARITHMETIC/LOGIC
UNIT (ALU)
V_REFH
ANALOG-TO-DIGITAL
MODULE
PTA7–PTA0
PTB7/ATD7–PTB0/ATD0
CONTROL AND STATUS REGISTERS — 62 BYTES
USER FLASH — 32,256 BYTES
USER RAM —1024 BYTES
USER EEPROM — 512 BYTES
MONITOR ROM — 320 BYTES
USER FLASH VECTOR SPACE — 52 BYTES
OSC1
OSC2
CGMXFC
CLOCK GENERATOR
MODULE
RST
SYSTEM INTEGRATION
MODULE
IRQ
IRQ MODULE
BREAK MODULE
LOW-VOLTAGE INHIBIT
MODULE
COMPUTER OPERATING
PROPERLY MODULE
TIMER A 6 CHANNEL
INTERFACE MODULE
TIMER B INTERFACE
MODULE
SERIAL COMMUNICATIONS
INTERFACE MODULE
SERIAL PERIPHERAL
INTERFACE MODULE
KEYBOARD INTERRUPT
MODULE
PTC5–PTC3
PTC2/MCLK
PTC1–PTC0
PTD7
PTD6/ATD14/TACLK
PTD5/ATD13
PTD4/ATD12/TBCLK
PTD3/ATD11-PTD0/ATD8
PTE7/SPSCK
PTE6/MOSI
PTE5/MISO
PTE4/SS
PTE3/TACH1
PTE2/TACH0
PTE1/RxD
PTE0/TxD
PTF6
PTF5/TBCH1–PTF4/TBCH0
PTF3/TACH5-PTF0/TACH2
PTG2/KBD2–PTG0/KBD0
VV_DSDS
V_DDA
V_SSA
POWER-ON RESET
MODULE
POWER
PROGRAMMABLE INTERRUPT TIMER
MODULE
AV_SS/V_REFL
V_DDAREF
PTH1/KBD4–PTH0/KBD3
MSCAN MODULE
CANRx
CANTx
Figure 1-1. MCU Block Diagram for the MC68HC908AZ32A