參數(shù)資料
型號: MC68HC05JB3JDW
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(shù): 56/148頁
文件大?。?/td> 1600K
代理商: MC68HC05JB3JDW
November 5, 1998
GENERAL RELEASE SPECIFICATION
MC68HC05JB3
GENERAL DESCRIPTION
MOTOROLA
REV 1
1-3
Figure 1-1. MC68HC05JB3 Block Diagram
144 Bytes RAM
2560 Bytes EPROM
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
CPU CONTROL
ALU
68HC05 CPU
ACCUM
INDEX REG.
CPU REGISTERS
PROGRAM COUNTER
COND CODE REG.
0
000
11 STK PNTR
0
111H I N Z C
PA0x
PA1x
PA2x
PA3x
PA4y
PA5y
PA6y
PA7y
VDD
VSS
3.3V
RESET
IRQ
TCAP
D+
D–
OSC1
OSC2
y: 8mA current sink capability and optical interface
: 25mA current sink, open-drained
x: External edge interrupt capability,
with internal pull-up, slow transition O/P
: PB0 is shared with TCAP
with Schmitt trigger input and optical interface
PB0
PB1
PB2
PB4
PB5
PB6
PB7
PORT
C
DATA
DIRECTION
REG.
C
PC0
PC1
PC2
PC3
: Pins available in 28-pin package only
: PC0 shared with OCMP
OCMP
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