com90c66 Standard Microsystems Corp., com90c66 Datasheet - Page 20
com90c66
Manufacturer Part Number
com90c66
Description
Arcnet Controller/transceiver With At Interface And On-chip Ram Corporation
Manufacturer
Standard Microsystems Corp.
Datasheet
1.COM90C66.pdf
(76 pages)
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REGISTER
I/O SELECT
RESERVED
RESERVED
ADDRESS
ADDRESS
PTR HIGH
PTR LOW
URATION
MEMORY
CONFIG-
STATUS
STATUS
SELECT
RESET
RESET
RESET
RESET
NODE
DATA
DIAG.
DATA
HIGH
LOW
ID
MYRECON
MEM7
NID7
MSB
16EN
RI
D15
A7
0
D7
X
X
X
X
X
X
X
CCHEN DECODE ET1
AUTO-
MEM6
NID6
A6
D14
D6
INC
X
X
0
X
X
X
X
X
X
Table 3 – Read Register Summary
RCVACT TOKEN
MEM5
NID5
I/O5
D5
D13
A5
X
X
X
X
X
X
X
X
MEM4
NID4
POR
I/O4
A4
D12
D4
X
X
X
X
X
X
X
READ
20
NID3
MEM3
A3
ET2
TEST
I/O3
D11
D3
X
X
X
X
X
X
X
X
WAIT
RECON
NID2
MEM2
D10
A2
I/O2
D2
A10
X
X
X
X
X
X
X
ACCESS
NID1
MEM1
TMA
I/O1
D1
D9
A1
IO-
A9
X
X
X
X
X
X
X
TXOFF
NID0
MEM0
A0
D8
D0
I/O0
LSB
TA
A8
X
X
X
X
X
X
X
ADDRESS
0A
0B
0C
0D
0E
0F
00
01
02
03
04
05
06
07
08
09
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