參數資料
型號: MC68HC05JB4DWR2
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 3 MHz, MICROCONTROLLER, PDSO28
封裝: SOIC-28
文件頁數: 42/134頁
文件大?。?/td> 1305K
代理商: MC68HC05JB4DWR2
February 24, 1999
GENERAL RELEASE SPECIFICATION
MC68HC05JB4
GENERAL DESCRIPTION
MOTOROLA
REV 2
1-3
Figure 1-1. MC68HC05JB4 Block Diagram
COND CODE REG 1 1 1
I N Z C
H
INDEX REG
CPU CONTROL
0 0 0
STK PNTR
1
0
ALU
68HC05 CPU
ACCUM
PROGRAM COUNTER
CPU REGIS-
PA0
PA7
PA6
PA5
PA4/IRQ2
PA3
PA2
PA1
PB0/ICAP1
PB4/AD5
PB3/AD4
PB2
PB1
OSC 1
OSC 2
RESET
IRQ
(ICAP1)
D+
D–
VDD
VSS
V3.3
PC0/AD0
PC1/AD1
PC2/AD2
PC3/AD3
PC4/VRH
PC5/VRL
8-bit ADC
176 Bytes RAM
3584 bytes ROM
Low Speed
USB
16-bit Timer
Core
TImer
OSC
÷2
RESET
and
IRQ
LVR
VREF
POWER
SUPPLY
PORT
A
DATA
DIRECTION
REG.
A
PORT
B
DATA
DIRECTION
REG.
B
PORT
C
DATA
DIRECTION
REG.
C
shared with PB0
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