参数资料
型号: MC68HC05C8AMFB
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 2.1 MHz, MICROCONTROLLER, PQFP44
封装: QFP-44
文件页数: 23/116页
文件大小: 781K
代理商: MC68HC05C8AMFB
General Description
MC68HC05C8A MC68HCL05C8A MC68HSC05C8A Data Sheet, Rev. 5.1
14
Freescale Semiconductor
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
D
A
T
A
DI
R
E
CT
IO
N
A
PA0
PA1
PA2
PA3
PA4
PA5
PA6
PA7
PROCESSOR
CLOCK
POWER
SRAM — 176 BYTES
USER ROM AND USER VECTORS — 7744 BYTES
SELF-CHECK ROM — 240 BYTES
SYSTEM
1
0
C
Z
N
I
H
1
16-BIT
CAPTURE/COMPARE
PORT
B
DAT
A
DIRECT
ION
B
PB0*
PB1*
PB2*
PB3*
PB4*
PB5*
PB6*
PB7*
POR
T
C
DATA
DIR
ECTION
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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