Registers Accessible From Tipb - Texas Instruments OMAP5910 Technical Reference Manual

HDQ and 1-Wire Protocols
Table 7–145. Registers Accessible From TIPB
Bit Name
TX write
31–24
data
23–16
15–8
7–0
31–24 RX buffer
register
23–16
15–8
7–0
31–24 Interrupt
status
register
23–16
15–8
7–3
2
1
0
7-196
Value Description
Reserved—read aliased to bits 7:0,
writes ignored
Reserved—read aliased to bits 7:0,
writes ignored
Reserved—read aliased to bits 7:0,
writes ignored
Write data
(Used in both HDQ and 1-Wire
modes)
Reserved—read aliased to bits 7:0,
writes ignored
Reserved—read aliased to bits 7:0,
writes ignored
Reserved—read aliased to bits 7:0,
writes ignored
Next received character.
Bit is set to 1 if cause of interrupt.
Read of the clears all interrupts that
have been set.
Reserved—read aliased to bits 7:0,
writes ignored
Reserved—read aliased to bits 7:0,
writes ignored
Reserved—read aliased to bits 7:0,
writes ignored
Reserved—read 0s, writes ignored
TX completed
Read complete
Presence detect/time-out: In 1-Wire
mode this is due to presence detect,
and in HDQ mode this is due to
time-out on read.
Access Type Reset
at Address Value
Read/Write 0000h
at 8h00
Read only Unknown (read
at 8h04 only when data is
ready) ready)
Read only/
read to clear
at 8h0C
0
0
0
0