參數(shù)資料
型號: HD40A4639R
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer(4位單片微計算機)
中文描述: 4位單片機(4位單片微計算機)
文件頁數(shù): 5/133頁
文件大小: 803K
代理商: HD40A4639R
HD404639R Series
5
Block Diagram
System control
External
interrupt
Timer
A
Timer
B
Timer
C
Timer
D
Serial
interface
1
Serial
interface
2
Compa-
rator
DTMF
I
I
RAM
(1,152
×
4 bit)
W
(2 bit)
X
(4 bit)
Y
(4 bit)
SPX
(4 bit)
ST
(1 bit)
CA
(1 bit)
A
(4 bit)
B
(4 bit)
SP
(10 bit)
PC
(14 bit)
Insruction
decoder
CPU
R0
R0
R1
R1
R1
R2
R2
R2
R3
R3
R3
R4
R4
R5
R5
R6
R6
R7
R7
R7
R8
R8
R9
R9
RA
RA
RB
RB
RB
RC
RD
RD
RE
R
T
S
O
O
X
X
S
V
G
TOC
EVND
TOD
INT
INT
INT
INT
INT
SI
SO
SCK
2
VCref
COMP
0
COMP
1
COMP
2
COMP
3
VTref
TONER
TONEC
R
R
R
R
R
R
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
0
R
R
R
R
R
R
R
RC port
RE port
SI
SO
SCK
1
ROM
(16,384
×
10 bit)
(8,192
×
10 bit)
D
High-current
source pins
D
D
D
D
D
D
D
D
D
D
D
D
D
D
0
1
2
3
4
5
6
7
8
9
10
11
12
13
0
1
2
3
4
EVNB
TOB
High-current
sink pins
SPY
(4 bit)
ALU
1
2
C
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