参数资料
型号: MC68HC05P18ADWR2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, MICROCONTROLLER, PDSO28
封装: SOIC-28
文件页数: 9/38页
文件大小: 1200K
代理商: MC68HC05P18ADWR2
General Description
Introduction
MC68HC05P18A
Technical Data
MOTOROLA
General Description
17
NON-DISCLOSURE
AGREEMENT
REQUIRED
Figure 1-1. MC68HC05P18A Block Diagram
NOTE:
A line over a signal name indicates an active low signal. For example,
RESET is active high and RESET is active low.
PH2
A/
D
CONVERTER
16-BIT TIMER
1 INPUT CAPTURE
1 OUTPUT COMPARE
PORT D LOGIC
COP
OSC
CONDITION CODE
REGISTER
1 1 1
I N Z C
H
INDEX REGISTER
CPU CONTROL
0 0 0
STK PNTR
1
0
RESET
OSC1
OSC2
PD7/TCAP
SRAM — 192 BYTES
USER ROM — 8064 BYTES
TCMP
IRQ
ALU
68HC05 CPU
ACCUMULATOR
PROGRAM COUNTER
CPU REGISTERS
÷ 2
PA7
PA0
PA1
PA2
PA3
PA4
PA5
PA6
D
AT
A
DIRECTION
REGISTER
POR
T
A
PB5/SDO
PB6/SDI
PB7/SCK
PORT B AND
SIOP
REGISTERS
AND LOGIC
VDD
VSS
PD5/CKOUT
D
AT
A
DIRECTION
REGISTER
PC3/AD3
PC4/AD2
PC5/AD1
PC6/AD0
PC7/VREFH
PC2
POR
T
C
MUX
PC1
PC0
EEPROM — 128 BYTES
÷ 4
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