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參數(shù)資料
| 型號： | TDK-73M2901CL |
| 廠商： | TDK Corporation |
| 英文描述： | V.22 BIS SINGLE CHIP MODEM |
| 中文描述： | .22結(jié)算單芯片調(diào)制解調(diào)器 |
| 文件頁數(shù)： | 4/18頁 |
| 文件大?。?/td> | 282K |
| 代理商： | TDK-73M2901CL |
73M2901CL
V.22bis Single Chip Modem
DIGITAL INTERFACE PIN DESCRIPTION
PIN
NAME
PLCC
RESET
13
RXCLK
31
TXCLK
28
TXD
27
RXD
30
4
32 pin
32 pin
TQFP
9
27
24
23
26
44 pin LQFP
TYPE
DESCRIPTION
9
36
31
30
35
I
O
O
I
O
Reset
Receive data synchronous clock
Transmit data synchronous clock
Serial data input from DTE
Serial output to DTE
Programmable I/O port. This pin optionally be
used to control an external switch for external Line
In Use circuitry.
Programmable I/O port. This pin can optionally be
used to control an external switch for caller ID
operation.
Request to send
Clear to send
Data set ready
Data carrier detect
Ring indicator
Relay driver output
Programmable I/O port
USR10
12
8
8
I/O
USR11
11
7
7
I/O
10
9
8
7
4
3
1
6
5
4
3
32
31
29
6
5
4
3
43
40
38
I
O
O
O
O
O
I/O
USR20
EXTERNAL INTERRUPTS PIN DESCRIPTION
PIN
NAME
PLCC
32 pin
32 pin
TQFP
44 pin LQFP
TYPE
DESCRIPTION
2
30
39
I
External interrupt
–
Line interface ring detection
circuitry input
External interrupt
–
DTE DTR signal input
32
28
37
I
OSCILLATOR PIN DESCRIPTION
PIN
NAME
PLCC
32 pin
32 pin
TQFP
44 pin LQFP
TYPE
DESCRIPTION
OSCIN
24
19
26
I
Crystal input for internal oscillator, also input for
external source
Crystal oscillator output
OSCOUT
23
18
25
O
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