参数资料
型号: MC68HC05SR3
厂商: 飞思卡尔半导体(中国)有限公司
英文描述: High-density Complementary Metal Oxide Semiconductor (HCMOS) Microcontroller Units
中文描述: 高密度互补金属氧化物半导体(HCMOS)微控制器单元
文件页数: 11/96页
文件大小: 3045K
代理商: MC68HC05SR3
MC68HC05SR3
Freescale
1-3
GENERAL DESCRIPTION
1
Figure 1-1 MC68HC05SR3/MC68HC705SR3 Block Diagram
USER ROM/EPROM - 3840 BYTES
SELF-CHECK/BOOTSTRAP ROM - 240 BYTES
RAM - 192 BYTES
ACCUMULATOR
INDEX REGISTER
STACK POINTER
PROGRAM COUNTER
CONDITION CODE REGISTER
M68HC05
CPU
RESET
IRQ
0
12
1
1H I N Z C
OSC
POWER
OSC1
OSC2
VDD
VSS
DDR
A
PO
RT
A
PA0 - PA7
8
÷ 2
1 1
7
0
7
50
1
0
4
15
0
7
DDR
B
PO
RT
B
PB0 - PB7
8-Bit
ADC
PO
RT
D
8
DDR
C
PO
RT
C
PC0 - PC7
8
7-BIT PRESCALER
KEYBOARD
INTERRUPT
PD7
PD6/IRQ2
PD5/VRH
PD4/VRL
PD3/AN3
PD2/AN2
PD1/AN1
PD0/AN0
8-BIT COUNTER
TIMER CONTROL
TIMER
LOW VOLTAGE
RESET
DDR
D
TPG
17
05SR3.Book Page 3 Thursday, August 4, 2005 1:08 PM
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