COM90C66 Datasheet, PDF (21/76 Pages) SMSC Corporation – ARCNET Controller/Transceiver with AT Interface and On-Chip RAM

Table 4 – Write Register Summary
ADDRESS MSB
WRITE
LSB REGISTER
00
RI
0
0
0
0
RECON 0
TA
INTERRUPT
MASK
01
D7
D6
D5
D4
D3
D2
D1
D0 COMMAND
02
16EN CCHEN DECODE ET1 ET2
WAIT ^IO- TXOFF ^CONFIG-
ACCESS
URATION
03
0
0
0
0
0
0
0
0
RESERVED
04
0
0
0
0
0
0
0
0
RESERVED
05
NID7 NID6 NID5 NID4 NID3 NID2 NID1 NID0 ^NODE
ID
06
0
0
0
0
0
0
0
0 RESERVED
07
D7
D6
D5
D4
D3
D2
D1
D0
EXTERNAL
REGISTER
08
X
X
X
X
X
X
X
X RESET
09
X
X
X
X
X
X
X
X RESET
0A
X
X
X
X
X
X
X
X RESET
0B
X
X
X
X
X
X
X
X RESET
0C
D7
D6
D5
DATA
D4
D3 D2
D1
D0
LOW
DATA
0D
D15 D14 D13 D12 D11 D10 D9
D8
HIGH
0E
A7
A6
ADDRESS
A5
A4
A3
A2
A1
A0
PTR LOW
0F
0
AUTO-
INC
0
0
0
A10
A9
A8
ADDRESS
PTR HIGH
21