參數(shù)資料
型號: MC68HC05P18MDWR3
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數(shù): 56/144頁
文件大?。?/td> 1348K
代理商: MC68HC05P18MDWR3
General Description
Features
MC68HC(8)05P18 — Rev. 2.0
Advance Information
MOTOROLA
General Description
19
Figure 1-1. MC68HC05P18/MC68HC805P18 Block Diagram
PH2
A/
D
CONVERTER
16-BIT TIMER
1 INPUT CAPTURE
1 OUTPUT COMPARE
PORT D LOGIC
COP
OSC
COND CODE REG
1 1 1
I N Z C
H
INDEX REGISTER
CPU CONTROL
0 0 0
STK PNTR
1
0
÷ 4
RESET
OSC 1
OSC 2
PD7/TCAP
SRAM — 192 BYTES
MC68HC05P18:
USER ROM — 8064 BYTES
MC68HC805P18:
USER EEPROM — 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
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