參數(shù)資料
型號: NT68F62U
廠商: Electronic Theatre Controls, Inc.
英文描述: 8-Bit Microcontroller for Monitor (32K Flash MTP Type)
中文描述: 8位微控制器的監(jiān)視器(32K閃存中期型)
文件頁數(shù): 5/57頁
文件大?。?/td> 521K
代理商: NT68F62U
NT68F62
5
Pin Description (continued)
Pin No.
40 Pin
42 Pin
Designation
Reset Init.
I/O
Description
37
39
DAC4/SCL1
DAC4
O
Open drain 5V, D/A converter output 4, shared with the
open drain SCL1 line of IIC bus, Schmitt Trigger buffer
38
40
DAC3
O
Open drain 5V, D/A converter output 3
39
41
HSYNCI
I
Debouncing & Schmitt Trigger input pin for video horizontal
sync signal, internal pull high, shared with the composite
sync input
40
42
VSYNCI/INTV
VSYNCI
I
Debouncing & Schmitt trigger input pin for video vertical
sync signal, internal pull high, shared with the input pin of
the external interrupt source, intv, with Schmitt Trigger,
selectable triggered and internal pulled up 22K
resistor
-
6
P40
I/O
Bi-directional I/O pin with internal pulled up 22K
resistor,
only 42 pin S-DIP available
-
37
P41
I/O
Bi-directional I/O pin with internal pulled up 22K
resistor,
only 42 pin S-DIP available
* This RESET pin must be pulled high by an external pulled-up resistor (5K
suggestion), or it will remain at low voltage to
continually rest system.
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