Sundance SMT399-160 - Manual (Page 18)

Note 0: Reset bits don’t get cleared automatically, so a device can remain reset while not
used to reduce the global power consumption.
Note 1: Update and IO_Update bits get cleared automatically.
5.4.2 Profile Register – 0x1.
Any 16-bit value written in this register can be read-back to check that the Comport used
works properly.
Profile Register – 0x1
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0 Not Used Profile Selection DDS1 Profile Selection DDS0
Default ‘0000’ ‘00’ ‘00’
Reset Register – 0x0
Setting Bit 1&0 Description
0 ‘00’ Profile 0 Selected – DDS0.
1 ‘01’ Profile 1 Selected – DDS0.
2 ‘10’ Profile 2 Selected – DDS0.
3 ‘11’ Profile 3 Selected – DDS0.
Setting Bit 3&2 Description
0 ‘00’ Profile 0 Selected – DDS1.
1 ‘01’ Profile 1 Selected – DDS1.
2 ‘10’ Profile 2 Selected – DDS1.
3 ‘11’ Profile 3 Selected – DDS1.
5.4.3 VGA0 Register – 0x2.
For more details, refer to AD8370 datasheet.
VGA0 Register – 0x2
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
1 Reserved
Default ‘0000000’
0 Gain Mode Gain
Default ‘0’ ‘0000000’
VGA0 Register – 0x2
Setting Gain
Mode
(Bit 7)
Description
0 0 LG Mode: Low Gain. The Gain can be from -11 to +17dBs.
1 1 HG Mode: Low Gain. The Gain can be from +6 to +34dBs.
VGA0 Register – 0x2
Setting Bits 6-0 Description
0 Gain value (Binary). The scale is from -11 to +17dBs (LG Mode) or from +6 to +34dBs (HG Mode).
User Manual SMT399-160 Page 18 of 39 Last Edited: 24/05/2007 17:12:00