4DSP FMC204, User Manual

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UM008 FMC204 User Manual
r1.14
UM008 www.4dsp.com - 18 -
8-bit pre-selection
P6 P5 P4 P3 P2 P1 P0 R/W A6 A5 A4 A3 A2 A1 A0
8-bit instruction 8-bit register data
D7 D6 D5 D4 D3 D3 D1 D0
N_CS
SCLK
SDIO
P7
Figure 9: Write instruction to CPLD registers A1:A0
8-bit pre-selection
P6 P5 P4 P3 P2 P1 P0 R/W A6 A5 A4 A3 A2 A1 A0
8-bit instruction 8-bit register data
D7 D6 D5 D4 D3 D3 D1 D0
N_CS
SCLK
SDIO
P7
Figure 10: Read instruction to CPLD registers A1:A0
8-bit pre-selection
P6 P5 P4 P3 P2 P1 P0 R/W N1 N0 A4 A3 A2 A1 A0
8-bit instruction 8-bit register data
D7 D6 D5 D4 D3 D3 D1 D0
N_CS
SCLK
SDIO
P7
Figure 11: Write instruction to DAC5682Z registers A4:A0
8-bit pre-selection
P6 P5 P4 P3 P2 P1 P0 R/W N1 N0 A4 A3 A2 A1 A0
8-bit instruction 8-bit register data
D7 D6 D5 D4 D3 D3 D1 D0
N_CS
SCLK
SDIO
P7
Figure 12: Read instruction to DAC5682Z registers A4:A0
8-bit pre-selection
P6 P5 P4 P3 P2 P1 P0 R/W W1 W0 A12 A11 A10 A9 A8
16-bit instruction 8-bit register data
N_CS
SCLK
SDIO
P7 D7 D6 D5 D4 D3 D3 D1 D0 A6 A5 A4 A3 A2 A1 A0 A7
Figure 13: Write instruction to AD9517 registers A12:A0