Rainbow Electronics MAX2062 - Manual (Page 19)

______________________________________________________________________________________ 19
MAX2062
Dual 50MHz to 1000MHz High-Linearity,
Serial/Parallel-Controlled Analog/Digital VGA
Table 3. SPI Data Format
FUNCTION BIT DESCRIPTION
Digital Attenuator State 4
(Path 2)
D55 (MSB) 16dB step (MSB of the 5-bit word used to program the Path 2 digital attenuator state 4)
D54 8dB step
D53 4dB step
D52 2dB step
D51 1dB step
Digital Attenuator State 3
(Path 2)
D50 16dB step (MSB of the 5-bit word used to program the Path 2 digital attenuator state 3)
D49 8dB step
D48 4dB step
D47 2dB step
D46 1dB step
Digital Attenuator State 2
(Path 2)
D45 16dB step (MSB of the 5-bit word used to program the Path 2 digital attenuator state 2)
D44 8dB step
D43 4dB step
D42 2dB step
D41 1dB step
Digital Attenuator State 1
(Path 2)
D40 16dB step (MSB of the 5-bit word used to program the Path 2 digital attenuator state 1)
D39 8dB step
D38 4dB step
D37 2dB step
D36 1dB step
On-Chip DAC
(Path 2)
D35 Bit 7 (MSB) of on-chip DAC used to program the Path 2 analog attenuator
D34 Bit 6 of DAC
D33 Bit 5 of DAC
D32 Bit 4 of DAC
D31 Bit 3 of DAC
D30 Bit 2 of DAC
D29 Bit 1 of DAC
D28 Bit 0 (LSB) of DAC
Digital Attenuator State 4
(Path 1)
D27 16dB step (MSB of the 5-bit word used to program the Path 1 digital attenuator state 4)
D26 8dB step
D25 4dB step
D24 2dB step
D23 1dB step
Digital Attenuator State 3
(Path 1)
D22 16dB step (MSB of the 5-bit word used to program the Path 1 digital attenuator state 3)
D21 8dB step
D20 4dB step
D19 2dB step
D18 1dB step