TI380C30A Datasheet, PDF (27/81 Pages) Texas Instruments – INTEGRATED TOKEN-RING COMMPROCESSOR AND PHYSICAL-LAYER INTERFACE

TI380C30A
INTEGRATED TOKEN-RING COMMPROCESSOR
AND PHYSICAL-LAYER INTERFACE
SPWS034 – MARCH 1998
SIF adapter-control (SIFACL) register
The SIFACL register allows the host processor to control, and to some extent, reconfigure the TI380C30A under
software control (see Table 5).
SIFACL Register
Bit No. 0 1 2 3
4
TTT
EEE
S S S — SWHLDA
TTT
012
5
SWDDIR
6
SWHRQ
7
PSDMAEN
8
ARESET
9
10
CPHALT BOOT
11
LBP
12
SINTEN
13
PEN
14
15
NSEL NSEL
OUT0 OUT1
RRR
RW –0
R –U
R –0
RS –0
RW –0 RP –b RP –b RP –0 RW –1 RP –p RP –0 RP –1
Legend:
R=
W=
P=
S=
–n =
b=
p=
u=
Read
Write
Write during ARESET = 1 only
Set only
Value after reset
Value on BTSTRP
Value on PRTYEN
Indeterminate
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