Datasheet

 2003-2012 Microchip Technology Inc. DS21117B-page 23
MCP6S21/2/6/8
FIGURE 5-4: Serial bus sequence for daisy-chain configuration; SPI 0,0 mode.
FIGURE 5-5: Serial bus sequence for daisy-chain configuration; SPI 1,1 mode.
1 2 3 4 5 6 7 8 9 10111213141516
bit 7
CS
SCK
SI
Instruction Byte Data Byte
bit 0 bit 7 bit 0
SO
(first 16 bits out are always zeros)
12345678910111213141516
bit 7
Instruction Byte Data Byte
bit 0 bit 7 bit 0
for Device 2 for Device 2
for Device 1 for Device 1
bit 7
Instruction Byte Data Byte
bit 0 bit 7 bit 0
for Device 2 for Device 2
1 2 3 4 5 6 7 8 9 10111213141516
bit 7
CS
SCK
SI
Instruction Byte Data Byte
bit 0 bit 7 bit 0
SO
(first 16 bits out are always zeros)
12345678910111213141516
bit 7
Instruction Byte Data Byte
bit 0 bit 7 bit 0
for Device 2 for Device 2
for Device 1 for Device 1
bit 7
Instruction Byte Data Byte
bit 0 bit 7 bit 0
for Device 2 for Device 2