參數(shù)資料
型號: MC68HC705C9AFB
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 2.1 MHz, MICROCONTROLLER, PQFP44
封裝: 10 X 10 MM, QFP-44
文件頁數(shù): 94/177頁
文件大小: 1941K
代理商: MC68HC705C9AFB
General Description
Features
MC68HC705C9A — Rev. 4.0
Advance Information
MOTOROLA
General Description
23
Figure 1-1. Block Diagram
0
00
1
CPU CONTROL
ARITHMETIC/LOGIC
UNIT
ACCUMULATOR
INDEX REGISTER
STACK POINTER
PROGRAM COUNTER
M68HC05
MCU
RESET
CONDITION CODE REGISTER
1 11H I
N C Z
DA
TA
DIR
E
C
T
IO
N
RE
G
IS
T
E
R
A
POR
T
A
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
COP
INTERNAL
OSCILLATOR
DIVIDE
BY TWO
CAPTURE/
IRQ
VDD
VSS
OSC1
OSC2
USER RAM —352 BYTES
RESET
D
A
TA
DI
RE
CTI
O
N
RE
G
IS
T
E
R
B
PO
R
T
B
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
DA
TA
D
IRE
C
T
IO
N
R
E
G
IS
T
E
R
C
PO
R
T
C
USER EPROM — 15,936 BYTES
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
COMPARE
TIMER
TCMP
TCAP
WATCHDOG
CPU CLOCK
POWER
INTERNAL CLOCK
PU
LLU
P
EN
A
B
LE
R
E
GI
ST
ER
B
SPI
GENERATOR
BAUD RATE
SCI
SS
SCK
MOSI
MISO
TDO
RDI
DA
TA
DI
RE
CTI
O
N
RE
G
IS
T
E
R
D
POR
T
D
PD7
PD5/SS
PD4/SCK
PD3/MOSI
PD2/MISO
PD1/TDO
PD0/RDI
DIVIDE
BY FOUR
TIMER CLOCK
BOOT ROM — 239 BYTES
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