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參數(shù)資料
| 型號： | TMPN3120A20U |
| 廠商： | Toshiba Corporation |
| 英文描述： | TOSHIBA CMOS DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC |
| 中文描述： | 東芝的CMOS數(shù)字集成電路硅單片 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 227K |
| 代理商： | TMPN3120A20U |
TMPN3120A20M/U
2003-07-01 6/12
PIN FUNCTION
PIN No.
TMPN3120A20M
TMPN3120A20U
PIN NAME
I / O
PIN FUNCTION
15
15
CLK1
Input
Oscillator connection, or external clock input.
14
14
CLK2
Output
Oscillator connection. Leave open when external
clock is input to CLK1.
1
40
~RESET
I / O
(built-in pull-up)
Reset pin. ( Active low )
8
5
~SERVICE
I / O
(built-in
configurable
pull-up)
Service pin. Indicator output during operation.
7~4
4~2, 43
IO
0
~IO
3
I / O
Large current sink capacity ( 20 mA ).
General I / O port.
3, 30~28
42, 36, 35, 32
IO
4
~IO
7
I / O
(built-in
configurable
pull-up)
General I / O port. One of IO
4
to IO
7
can be
specified as No.1 timer / counter input. Output
signal can be output to IO
0
.
IO
4
can be used as the No.2 timer / counter input
with IO
1
as output.
27, 26, 24
31, 30, 27
IO
8
~IO
10
I / O
General I / O port. Can be used for serial
communication with other device.
11, 12, 18, 25, 32
9, 10, 19, 29, 38
V
DD
Input
Power input ( 5.0 V Typ. )
9, 10, 13, 16, 23, 31
7, 8, 13, 16, 26, 37
V
SS
Input
Power input ( 0 V GND )
2
41
LVD
in
Input
Input pin for programmable LVD
( Normally connect to V
DD
)
19, 20, 17, 21, 22
20, 21, 18, 24, 25
CP
0
~CP
4
I / O
Bidirectional port for communications. Supports
several communications protocols by specifying
mode.
―
1, 6, 11, 12, 17, 22,
23, 28, 33, 34, 39,
44
NC
―
Do not connect anything. Leave pins open.
* :
●
The ~SERVICE and IO
4
to IO
7
terminals are programmable pull-ups.
●
All V
DD
terminals must be externally connected.
●
All V
SS
terminals must be externally connected.
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