MC68HC05P9A Datasheet, PDF (11/158 Pages) Freescale Semiconductor, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
Structure
ROM — 2112 BYTES x 8
SELFCHECK ROM — 240 BYTES x 8
RAM — 128 BYTES x 8
IRQ
RESET
OSC1
OSC2
V_DD
V_SS
CPU CONTROL
ARITHMETIC/LOGIC
UNIT
SCK
M68HC05
ACCUMULATOR
SDI
MCU
SDO
RESET
INDEX REGISTER
STACK POINTER
V_RH
000 0000011
AN0
PROGRAM COUNTER
AN1
000
AN2
CONDITION CODE REGISTER
AN3
11 1 H I NCZ
INTERNAL
OSCILLATOR
CPU CLOCK
DIVIDE ^{INTERNAL CLOCK}
BY 2
TO ADC
AND
SIOP
COP
WATCHDOG
POWER
DIVIDE
BY 4
CAPTURE/COMPARE
TIMER
TCAP
Figure 1. MC68HC05P9A Block Diagram
Introduction
Structure
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
PB7/SCK
PB6/SDI
PB5/SDO
PC7/V_RH
PC6/AN0
PC5/AN1
PC4/AN2
PC3/AN3
PC2
PC1
PC0
PD5
PD7/TCAP
TCMP
3-mc68hc05p9a
MOTOROLA
Introduction
11
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