ia3513 integration, ia3513 Datasheet - Page 36

• Manufacturer Part Number: ia3513
• Description: Headset Voice And Power Solution
• Manufacturer: integration

Register 23 - Crystal Oscillator Control
Register 24 - Internal Oscillator Control
Register 25 –DC-DC Status
Register 48 – Host reset control access code register
D[7:2]
D[1:0]
D[6:5]
D[3:2]
D[4:3]
D[2:0]
D[7:0]
Default Values
Default Values
D[7]
D[4]
Default Values
D[7]
D[6]
D[5]
Default Values
Bit
Bit
Bit
Bit
Read/Write
Read/Write
Read/Write
Read/Write
Name
Name
Name
Name
Bit
Bit
Bit
Bit
CPWM
FPWM
Name
Name
Name
Name
CMO
CRQ
HRC
XCT
DCT
Res
Res
Res
EN
EN
Functions
Crystal Oscillator trim bits
Reserved (must be kept at the default value)
Functions
32 KHz clock output enable
Calibration mode: 11 -> continuous mode; 10 -> continuous mode; 01 -> request mode; 00 -> calibration off
Calibration request (only valid in request mode): write 1 to start calibration (read 0 when calib. Ends)
Reserved (must be kept at the default value)
Functions
DC-DC enable 1-> enable 0-> disable When the DC-DC is disabled the IC enters power down mode
Forced PWM mode enable 1-> enable 0-> disable
Forced PWM by clock request mode enable 1-> enable 0-> disable
Reserved (must be kept at the default value)
DC-DC offset correction trim bits [-100mV , +100mV]
Functions
Control code “01101001” to access register 49.
Register read = 0 implies locked state
Register read = 1 implies unlocked state
HRC7
XCT5
R/W
R/W
R/W
000->0V 001->+50mV 010->+100mV 111->-50mV 110->-100mV
EN
EN
D7
D7
D7
D7
R
1
1
1
0
CMO1
FPWM
HRC6
XCT4
R/W
R/W
R/W
D6
D6
D6
D6
R
0
1
0
0
CMO0
HRC5
XCT3
R/W
R/W
CPWM
D5
D5
D5
R
0
1
0
R/W
D5
1
HRC4
XCT2
CRQ
R/W
R/W
D4
D4
D4
R
0
0
0
R/W
Res
D4
0
HRC3
XCT1
R/W
R/W
R/W
Res
Res
D3
D3
D3
D3
R
0
0
0
0
HRC2
XCT0
DCT2
R/W
R/W
R/W
Res
D2
D2
D2
D2
R
0
0
0
0
HRC1
DCT1
R/W
R/W
Res
D1
D1
Dc
D1
D1
R
R
0
0
0
0
HRC0
DCT0
R/W
R/W
Res
D0
D0
Dc
D0
D0
R
R
1
0
0
0
IA3513
36