CD2231 Intel Corporation, CD2231 Datasheet - Page 16

• Manufacturer Part Number: CD2231
• Description: CD2231 Intelligent Two-channel Lan And Wan Communications Controller
• Manufacturer: Intel Corporation

CD2231 — Intelligent Two-Channel LAN and WAN Communications Controller
3.2
3.3
16
Pin Functions
Pin Descriptions
The following conventions are used in the pin-description tables:
•
•
•
•
•
•
•
•
(*) after a name indicates that the signal is active-low
‘I’ indicates the pin is input-only
‘O’ indicates the pin is output-only
‘I/O’ indicates the pin is bidirectional
‘OD’ indicates open-drain; OD pins must be terminated to V
‘TS’ indicates tristate
a ‘–’ indicates ascending pin numbers
a ‘:’ indicates descending pin numbers
BYTESWAP
IREQ*[1–3]
IACKOUT*
A/D[0–15]
BUSCLK
DATDIR*
BGACK*
BGOUT*
SIZ[0–1]
DTACK*
IACKIN*
RESET*
DATEN*
BERR*
ADLD*
A[0–7]
BGIN*
TEST
AEN*
R/W*
CLK
CS*
AS*
DS*
BR*
HOST AND DMA
SIGNALS
BUS
ARBITRATION
SIGNALS
INTERRUPT
SIGNALS
CD2231
SERIAL
SERIAL
CH. 1
CH. 0
6
CC
10
by a 2K - 4.7K resistor
TXD[0–3]
RXD[0–3]
TXCIN[0–3]
RXCIN[0–3]
TXCOUT/DTR*[0–3]
RXCOUT[0–3]
RTS*[0–3]
CTS*[0–3]
DSR*[0–3]
CD*[0–3]
VDD AND GND
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