92HD99B Datasheet, PDF (214/225 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD99
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Register Address
verb F98/798
Bit
Label
7
TEST_EN
6
SC_DIS
5
RSVD
4
FAULT_SC
3
RSVD
2
PNSEL
1
FORCE_SC
0
TEST
Type Default
Description
RW 0
1 = Enable short circuit test
RW 0
1 = disable short circuit protection
RW 0
Reserved
RO 0
1 = Fault
RW 0
Reserved
RW 0
1=PFET tested, 0=NFET tested
RW 0
1 = force short circuit
RW 0
1 = Pos PFET / Neg NFET on, 0 = Pos NFET / Neg PFET on
Register Address
Bit
Label
7
ENABLE
6
TRC_ESD
5
STRENDRV
verb F99/799
4:3 SCTHR
2:0 DEADTIME
Type Default
Description
RW 1
1 = Enable BTL Power stage
RO 0
1 = ESD trigger detected
0 = No trigger
RW 0
1 = Strengthen pre-drive
0 = Normal
RW 01
Short circuit threshold current
00 = 10% of PVDD
01 = 14% of PVDD
10 = 16% of PVDD
11 = 20% of PVDD
RW 001
Dead time for output FETs
000 = 0.5ns
001 = 1.0ns
010 = 1.5ns
011 = 2ns
100 = 4ns
101 = 8ns
110 = 8ns
111 = 8ns
Register Address
verb F9A/79A
Bit
Label
7
TEST_EN
6
SC_DIS
5
RSVD
4
FAULT_SC
3
RSVD
2
PNSEL
1
FORCE_SC
0
TEST
Type Default
Description
RW 0
1 = Enable short circuit test
RW 0
1 = disable short circuit protection
RW 0
Reserved
RO 0
1 = Fault
RW 0
Reserved
RW 0
1=PFET tested, 0=NFET tested
RW 0
1 = force short circuit
RW 0
1 = Pos PFET / Neg NFET on, 0 = Pos NFET / Neg PFET on
IDT CONFIDENTIAL
214
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V1.2 1/12
92HD99