参数资料
型号: MC68HC05C12ACB
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PDIP42
封装: SHRINK, PLASTIC, DIP-42
文件页数: 66/156页
文件大小: 756K
代理商: MC68HC05C12ACB
General Description
Features
MC68HC05C12A Rev. 3.0
General Release Specification
MOTOROLA
General Description
17
NON-DISCLOSURE
AGREEMENT
REQUIRED
Figure 1-1. Block Diagram
TCAP
÷ 2
ACCUMULATOR
INDEX REGISTER
STACK POINTER
PROGRAM COUNTER
CONDITION CODE REGISTER
OSC1
OSC2
OSCILLATOR
INTERNAL
RESET
IRQ
COP
CPU
M68HC05 CPU
ALU
V
DD
V
SS
CPU REGISTERS
CONTROL
PORT
A
DATA
DIRECTION
A
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PROCESSOR
CLOCK
POWER
SRAM — 176 BYTES
USER ROM AND USER VECTORS — 12,096 BYTES
SELF-CHECK ROM — 240 BYTES
SYSTEM
1
0
C
Z
N
I
H
1
16-BIT
CAPTURE/COMPARE
PORT
B
DATA
DIRECTION
B
PB0*
PB1*
PB2*
PB3*
PB4*
PB5*
PB6*
PB7*
PORT
C
DATA
DIRECTION
C
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
TIMER SYSTEM
BAUD RATE
GENERATOR
PD7
RDI(PD0)
TDO(PD1)
MISO(PD2)
MOSI(PD3)
SCK(PD4)
SS(PD5)
PORT D
SCI
SPI
BAUD RATE
GENERATOR
TCMP
* Port B pins also function as external interrupts.
PC7 has a high current sink and source capability.
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