TDK-73M2901CL Teridian Semiconductor Corp. (TDK Semiconductor), TDK-73M2901CL Datasheet - Page 4

• Manufacturer Part Number: TDK-73M2901CL
• Description: V.22 BIS Single CHIP Modem
• Manufacturer: Teridian Semiconductor Corp. (TDK Semiconductor)

73M2901CL
V.22bis Single Chip Modem
DIGITAL INTERFACE PIN DESCRIPTION
PIN
NAME
RESET
RXCLK
TXCLK
TXD
RXD
USR10
USR11
USR20
EXTERNAL INTERRUPTS PIN DESCRIPTION
PIN
NAME
OSCILLATOR PIN DESCRIPTION
PIN
NAME
OSCIN
OSCOUT
32 pin
32 pin
PLCC
PLCC
32 pin
PLCC
13
31
28
27
30
12
11
10
32
9
8
7
4
3
1
2
24
23
32 pin
32 pin
32 pin
TQFP
TQFP
TQFP
27
24
23
26
32
31
29
30
28
19
18
8
7
6
5
4
3
9
44 pin LQFP
44 pin LQFP
44 pin LQFP
36
31
30
35
43
40
38
39
37
26
25
8
7
6
5
4
3
9
TYPE
TYPE
TYPE
I/O
I/O
I/O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
4
DESCRIPTION
Reset
Receive data synchronous clock
Transmit data synchronous clock
Serial data input from DTE
Serial output to DTE
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
DESCRIPTION
External interrupt – Line interface ring detection
circuitry input
External interrupt – DTE DTR signal input
DESCRIPTION
Crystal input for internal oscillator, also input for
external source
Crystal oscillator output
Programmable I/O port. This pin optionally be