參數(shù)資料
型號: HD407A4669
廠商: Hitachi,Ltd.
英文描述: Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計算機)
中文描述: 低電壓如同在微機芯片的DTMF產(chǎn)生電路(帶雙音多頻電路的低電壓微計算機)
文件頁數(shù): 9/142頁
文件大小: 894K
代理商: HD407A4669
HD404669 Series
9
Block Diagram
:
Data bus
R
T
S
O
1
O
2
X
X
V
C
G
S
HMCS400 CPU
ROM
RAM
8-bit timer A
(free-running timer)
8-bit timer C
D
0
D
1
D
2
D
3
D
4
D
5
D
9
D
10
D
11
D
12
D
13
R4
0
R4
1
R4
2
R4
3
R6
0
R6
1
R6
2
R6
3
R7
0
R7
1
R7
2
R7
3
R8
0
R8
1
R8
2
R8
3
R
p
R0
0
R0
1
R0
2
R0
3
R1
0
R1
1
R1
2
R1
3
R2
0
R2
1
R2
2
R2
3
R3
0
R3
1
R3
2
R3
3
TOC
VC
COMP
0
COMP
1
Comparator
External interrupt
control circuit
INT
0
INT
1
INT
2
INT
3
INT
4
8-bit timer D
EVND
TOD
Synchronous 8-bit
serial interface
DTMF generation
circuit
SCK
1
SI
1
SO
1
VT
TONER
TONEC
RA
0
RA
1
RD
0
RD
1
RE
0
:
Signal line
R9
0
R9
1
R9
2
R9
3
D
R
p
R
p
R
p
R
p
R
p
R
p
R
p
R
p
R
p
R
p
R
p
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參數(shù)描述
HD407A4669H 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit
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