User Manual

34 DS658F4
CS5345
6.4 MCLK Frequency - Address 05h
6.4.1 Master Clock Dividers (Bits 6:4)
Function:
Sets the frequency of the supplied MCLK signal. See Table 9 for th e ap p ro pr iat e set t in gs .
6.5 PGAOut Control - Address 06h
6.5.1 PGAOut Source Select (Bit 6)
Function:
This bit is used to configure the PGAOut pins to be either high impedance or PGA outputs. Refer to
Table 10.
6.6 Channel B PGA Control - Address 07h
6.6.1 Channel B PGA Gain (Bits 5:0)
Function:
See “Channel A PGA Gain (Bits 5:0)” on page 35.
76543210
Reserved
MCLK
Freq2
MCLK
Freq1
MCLK
Freq0
Reserved Reserved Reserved Reserved
MCLK Divider MCLK Freq2 MCLK Freq1 MCLK Freq0
÷1 000
÷1.5 001
÷2 010
÷3 011
÷4 100
Reserved 101
Reserved 11x
Table 9. MCLK Frequency
76543210
Reserved PGAOut Reserved Reserved Reserved Reserved Reserved Reserved
PGAOut PGAOutA & PGAOutB
0 High Impedance
1 PGA Output
Table 10. PGAOut Source Selection
76543210
Reserved Reserved Gain5 Gain4 Gain3 Gain2 Gain1 Gain0