參數(shù)資料
型號(hào): HT6222
廠商: Holtek Semiconductor Inc.
英文描述: Multi-Purpose Encoders
中文描述: 多功能編碼器
文件頁(yè)數(shù): 7/13頁(yè)
文件大?。?/td> 153K
代理商: HT6222
HT6221/HT6222
7
March 2, 2000
Setting the address codes (A0~A15)
The algorithm rule of the address codes
(A0~A15) can be selected by mask option.
In this case, the 16-bit on-chip MASK ROM
(ROM1 and ROM2) are available, and the
value of ROM1 (8 bits) and ROM2 (8 bits) are
decided by one MASK LAYER. The current
value of ROM1 and ROM2 are both "00H".
The A0~A7 are set by logical OR between the
external switch S0~S7 and the ROM1. The
A8~A15 equal some bits inverted to A0~A7,
the inversion are decided by Logical OR be-
tween the external switch S8~S15 and the
ROM2.
For example:
The following is an illustration of these rules in
selecting the address codes (A0~A15).
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. . . . . . .
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