參數(shù)資料
型號: NT68P62
廠商: Electronic Theatre Controls, Inc.
英文描述: 8-Bit Microcontroller for Monitor (32K OTP ROM Type)
中文描述: 8位微控制器的監(jiān)視器(32K的檢察官辦公室光盤形式)
文件頁數(shù): 5/56頁
文件大?。?/td> 528K
代理商: NT68P62
NT68P62-01
5
Pin Description (continued)
Pin No.
Designation
Reset Init.
I/O
Description
40 Pin
42 Pin
37
39
DAC4/SCL1
[ MODE1 ]
O
[ I ]
Open drain 5V, D/A converter output 4, shared with open
drain SCL1 line of I
2
C bus, Schmitt Trigger buffer
[ OTP ROM mode select ]
38
40
DAC3
[ MODE0 ]
O
[ I ]
Open drain 5V, D/A converter output 3
[ OTP ROM mode select ]
39
41
HSYNCI
I
Debouncing & Schmitt Trigger input pin for video horizontal
sync signal, internal pull high, shared with composite sync
input
40
42
VSYNCI/INTV
[ A14 ]
VSYNCI
I
[ I ]
Debouncing & Schmitt trigger input pin for video vertical
sync signal, internal pull high, shared with input pin of
external interrupt source intv with Schmitt Trigger,
selectable triggered, and internal pulled up 22K
register
[ OTP ROM program address buffer ]
-
6
P40
I/O
Bi-directional I/O pin with internal pulled up 22K
register,
only 42 pin S-DIP available
-
37
P41
I/O
Bi-directional I/O pin with internal pulled up 22K
register,
only 42 pin S-DIP available
* This RESET pin must be pulled high by external pulled-up register (5K
suggestion), or it will remain in low voltage to
continually rest system.
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