TPMC371 User Manual Issue 1.1.5
Page 7 of 22
2 Technical Specification
PMC Interface
Mechanical Interface
Conduction Cooled PCI Mezzanine Card (PMC) Interface
Single Size
Electrical Interface
PCI Rev. 2.3 compliant
33 MHz / 32 bit PCI
3.3V and 5V PCI Signaling Voltage
On Board Devices
PCI Target Chip
XR17D158 (Exar)
Octal UART
XR17D158 (Exar)
Transceiver
RS232: MAX3225E (or equivalent)
RS232 Full Modem: MAX3245E (or equivalent)
RS422: MAX3087E (or equivalent)
I/O Interface
Interface Type
Asynchronous serial interface
Number of Channels
8
Physical Interface
TPMC371-10: 8 RS232 (2 Full Modem)
TPMC371-11: 8 RS422 (2 with RTS+/- & CTS+/-)
TPMC371-12: 4 RS232 (2 Full Modem), 4 RS422
Serial Channel I/O Signals
RS232: TxD, RxD, RTS, CTS, GND
RS232 Full Modem: TxD, RxD, RTS, CTS, DTR, DSR, CD, RI,
GND
RS422: TxD+/-, RxD+/-, GND (TPMC371-11: RTS+/-, CTS+/-)
Termination
RS422: 120
Ω
between RxD+ and RxD- of each channel
(TPMC371-11: also between CTS+, CTS-)
Programmable Baud Rates
RS232: up to 921.6 kbps
RS422: up to 5.5296 Mbps
ESD Protection
RS232:
±15kV—Human Body Model
±8kV—IEC 1000-4-2, Contact Discharge
±15kV—IEC 1000-4-2, Air-Gap Discharge
RS422:
±15kV—Human Body Model
I/O Connector
PMC P14 I/O (64 pin Mezzanine Connector)
Physical Data
Power Requirements
TPMC371-10: 50 mA typical @ +5V DC (no load)
TPMC371-11: 70 mA typical @ +5V DC (no load)
TPMC371-12: 60 mA typical @ +5V DC (no load)
Temperature Range
Operating
Storage
-40°C to +85°C
-55°C to +125°C
