參數(shù)資料
型號: HCD404669
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產生電路(帶雙音多頻電路的低電壓微計算機)
文件頁數(shù): 105/142頁
文件大小: 894K
代理商: HCD404669
HD404669 Series
105
Notes: 1. I/O: I/O pin, I: Input pin, O: Output pin
2. As there are two each of pins O
0
to O
4
, the respective pairs should be shorted.
3. Unused data pins (O
5
to O
7
) on the PROM programmer side should be handled as shown below
on the socket side.
V
CC
O
5
,
O
6
, O
7
4. Pin A
9
should be handled as shown below on the socket side.
V
CC
A
9
Programmer side
HD407A4669
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