73M2901CE-IGV TDK Corporation, 73M2901CE-IGV Datasheet - Page 4

• Manufacturer Part Number: 73M2901CE-IGV
• Manufacturer: TDK Corporation

Specifications of 73M2901CE-IGV

• Lead Free Status / RoHS Status: Not Compliant

73M2901CE
V.22bis Single Chip Modem
DIGITAL INTERFACE PIN DESCRIPTION
PIN
NAME
RESET
RXCLK
TXCLK
TXD
RXD
USR10
USR11
RTS
CTS
DSR
DCD
RI
RELAY
USR20
EXTERNAL INTERRUPTS PIN DESCRIPTION
PIN
NAME
RING
DTR
OSCILLATOR PIN DESCRIPTION
PIN
NAME
OSCIN
OSCOUT
2004 TDK Semiconductor Corporation
PIN
PIN
27
24
23
26
32
31
29
30
28
9
8
7
6
5
4
3
PIN
19
18
TYPE
TYPE
I/O
I/O
I/O
TYPE
O
O
O
O
O
O
O
O
I
I
I
I
I
O
I
DESCRIPTION
Reset
Receive data synchronous clock valid on rising
edge
Transmit data synchronous clock valid on rising
edge
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
Programmable I/O port. This pin optionally be
DESCRIPTION
Crystal input for internal oscillator, also input for
external source
Crystal oscillator output
4
04/15/04- V2.2.1