sta538 STMicroelectronics, sta538 Datasheet - Page 46

• Manufacturer Part Number: sta538
• Description: 2 X 1.3 W Class-d Amplifier With Analog Or Digital Input 2.0 Multichannel Digital Audio Processor With Ffx
• Manufacturer: STMicroelectronics

Registers
PLLCFG0
Address:
Type:
Buffer:
Reset:
Description:
PLLCFG1
Address:
Type:
Buffer:
Reset:
Description:
46/59
PLL_DIRECT_
PROG
Bit 7
Bit 7
FRAC_CTRL
5:4 DITHER_DISABLE[1:0]:
3:0 IDF[3:0]: PLL input division factor:
7:0 FRAC_INPUT[15:8]: 16 bits are used to set the fractional part of PLL multiplication factor:
7 PLL_DIRECT_PROG: PLL programming:
6 FRAC_CTRL:
Bit 6
Bit 6
0: default
1: PLL is programmed according to the PLLCFG register settings
0: default
1: PLL fractional-frequency synthesis is enabled
00: default
MSB = 1: disables rectangular PDF dither input to SDM
LSB = 1: disables triangular PDF dither input to SDM
0000: IDF = 1 (default)
0001: IDF = 1
0010: IDF = 2
…
1111: IDF = 15
0000 0000: default
0x14
R/W
No
0x00
0x15
R/W
No
0x00
DITHER_DISABLE[1:0]
Bit 5
Bit 5
PLL configuration register 0
PLL configuration register 1
Bit 4
Bit 4
FRAC_INPUT[15:8]
Bit 3
Bit 3
Bit 2
Bit 2
IDF[3:0]
Bit 1
Bit 1
STA538
Bit 0
Bit 0