參數(shù)資料
型號： NT68P81-D01013
廠商： Electronic Theatre Controls, Inc.
英文描述： USB Keyboard Micro-Controller
中文描述： USB鍵盤微控制器
文件頁數(shù)： 3/30頁
文件大小： 1003K
代理商： NT68P81-D01013
NT68P81
3
Pin and Pad Descriptions
Pin No.
Pad No.
Designation
I/O
Shared with OTP[I/O]
Description
1
1,2
GND
P
Ground
2
3
VCP
O
USB 3.3V driver
3
4
VDP
I/O
USB data plus
4
5
VDM
I/O
USB data minus
Bi-directional I/O pin
5
6
P30
I/O
OE [I]
Program output enable
I/O
Bi-directional I/O pin
6
7
P31
PGM [I]
Program control
7
8
P32/INT0
I/O
Bi-directional I/O shared with INT0
8
9
P33/INT1
I/O
Bi-directional I/O shared with INT1
9
10
P34
I/O
Bi-directional I/O pin
RESET
I
Internally pulled down resistor
10
11
VPP [P]
Program supply voltage
P00 ~ P07
I/O
Bi-directional I/O pin
11 ~ 18
12 ~ 19
A0 ~ A7 [I]
Program address buffer
P10 ~ P14
I/O
Bi-directional I/O pin
19 ~ 23
20 ~ 24
A8 ~ A12
Program address buffer
P15
I/O
Bi-directional I/O pin
24
25
CE [I]
Program chip enable
P16
I/O
Bi-directional I/O pin
25
26
VPIH[I]
OTP Program Input Voltage High
26
27
P17
I/O
Bi-directional I/O pin
P20 ~ P27
I/O
Bi-directional I/O pin
27 ~ 34
28 ~ 35
DB0 ~ DB7 [I/O]
Program data buffer
LED0
O
LED direct sink
35
36
MODE0 [I]
Mode selection
LED1
O
LED direct sink
36
37
MODE1 [I]
Mode selection
LED2
O
LED direct sink
37
38
MODE2 [I]
Mode selection
38
39,40
V
DD
P
Power supply (+5V)
OSCO
O
Crystal oscillator output
39
41
CLK[I]
Program Clock
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