Sundance SMT942 - Manual (Page 46)

User Manual SMT942 Page 46 of 55 Last Edited: 23/08/2011 17:25:00
0 Coarse_daca Coarse_dacb
Default ‘1111’ ‘1111
DAC Chab Register D 0x4D
Setting Bit 3:0 Description Coarse_dacb
0 DACB Output current scale.
Setting Bit 7:4 Description Coarse_daca
0 DACA Output current scale.
DAC Chab Register D 0x4D.
DAC Chab Register D 0x4D
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
1 Reserved
Default ‘00000000’
0 Coarse_daca Coarse_dacb
Default ‘1111’ ‘1111
DAC Chab Register D 0x4D
Setting Bit 3:0 Description Coarse_dacb
0 DACB Output current scale.
Setting Bit 7:4 Description Coarse_daca
0 DACA Output current scale.
DAC Chab Register E 0x4E.
DAC Chab Register E 0x4E
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
1 Pll_lpf_r
eset
Vco_div2 Pll_gain Pll_range
Default ‘0’ ‘0’ ‘00’ ‘0000’
0 Pll_m Pll_n
Default ‘00000’ ‘000’
DAC Chab Register E 0x4E
Setting Bit 2:0 Description - pll_n
0 ‘000’ n value=1.
1 ‘001’ n value=2.
2 ‘011’ n value=4.