参数资料
型号: MC68HC05P9AP
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP28
封装: PLASTIC, DIP-28
文件页数: 5/90页
文件大小: 285K
代理商: MC68HC05P9AP
GENERAL RELEASE SPECIFICATION
MC68HC05P9A
GENERAL DESCRIPTION
MOTOROLA
Rev. 2.0
1-3
1.3
MCU Structure
Figure 1-1 shows the structure of the MC68HC05P9A.
Figure 1-1. Block Diagram
INTERNAL
PROCESSOR
CLOCK
PORT
D
REGISTER
DATA
DIR
REGISTER
SDO/PB5
SDI/PB6
SCK/PB7
ACCUMULATOR
INDEX
REGISTER
CONDITION
CODE
REGISTER
STACK
POINTER
PROGRAM
COUNTER
HIGH
PROGRAM
COUNTER
LOW
CPU
CONTROL
ALU
CPU
OSCILLATOR
AND DIVIDE
BY 2
RESET
IRQ
OSC1 OSC2
TIMER
SYSTEM
COP
SYSTEM
128 X 8
RAM
240 X 8
SELF-
CHECK
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PORT
A
I/O
LINES
PC0
PC1
PC2
PC3/AN3
PC4/AN2
PC5/AN1
PC6/AN0
PC7/VRH
DATA
DIRECTION
REGISTER
PORT
C
REGISTER
PORT
C
I/O
LINES
PD5
TCMP
PORT
D
I/O
LINES
TCAP/PD7
2112 X 8
USER ROM
DATA
DIRECTION
REGISTER
PORT
A
REGISTER
PORT
B
REG
DATA
DIR
REG
PORT
B
I/O
LINES
A/D
CONVERTER
AN3
AN2
AN1
AN0
VRH
SDO
SDI
SCK
SERIAL
I/O PORT
(SIOP)
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