MC68HC908MR8 Datasheet, PDF (32/372 Pages) Motorola, Inc – Microcontrollers

M68HC08 CPU
CPU
REGISTERS
ARITHMETIC/LOGIC
UNIT (ALU)
INTERNAL BUS
LOW-VOLTAGE INHIBIT
MODULE
CONTROL AND STATUS REGISTERS — 112 BYTES
USER FLASH — 7680 BYTES
USER RAM — 256 BYTES
MONITOR ROM — 313 BYTES
USER VECTOR SPACE — 46 BYTES
COMPUTER OPERATING PROPERLY
MODULE
BREAK
MODULE
TIMER A AND TIMER B INTERFACE
MODULES
SERIAL COMMUNICATIONS INTERFACE
MODULE
OSC1
OSC2
CGMXFC
RST
IRQ
CLOCK GENERATOR
MODULE
SYSTEM INTEGRATION
MODULE
IRQ
MODULE
POWER-ON RESET
MODULE
V_REFH
ANALOG-TO-DIGITAL CONVERTER
MODULE
V_DD
V_DDA
V_SSA
V_SS
PULSE-WIDTH MODULATOR
MODULE
POWER
Figure 1-1. MCU Block Diagram
PTA6/ATD6
PTA5/ATD5
PTA4/ATD4
PTA3/ATD3
PTA2/ATD2
PTA1/ATD1
PTA0/ATD0
PTB6/TCH1B
PTB5/TCH0B
PTB4/TCH1A
PTB3/TCH0A
PTB2/TCLKA
PTB1/TxD
PTB0/RxD
PWM6
PWM5
PWM4
PWM3
PWM2
PWM1
PTC1/FAULT4
PTC0/FAULT1