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參數(shù)資料
| 型號(hào)： | SNC543 |
| 廠商： | SONIX Technology Co., Ltd. |
| 英文描述： | Two Channel Direct Drive Speech Controller |
| 中文描述： | 雙通道語(yǔ)音控制器直接驅(qū)動(dòng) |
| 文件頁(yè)數(shù)： | 4/12頁(yè) |
| 文件大小： | 425K |
| 代理商： | SNC543 |
SNC543
Two Channel Direct Drive Speech Controller
5.6. I/O Ports
P1 is a 4-bit input port and P2/P3 are two 4-bit I/O ports. Any bit of P2 and P3 can
be programmed as either input or output port individually. Any valid data transition
(H
L or L
H) of P1, P2 and P3 can reactivate the chip when the chip is in
power-down mode.
To Internal Data Bus
Read Control
PAD
Weak
Input Port Configuration (P10~P13)
Port Data
Port Status
To Internal Data Bus
Read Control
PAD
Weak
I/O Port Configuration (P20~P23, P30~P33)
Note: weak N-MOS’s can serve as pull-low resistors.
Ver: 1.3
August 26, 2003
4
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