MCP2210 MICROCHIP [Microchip Technology], MCP2210 Datasheet - Page 55

• Manufacturer Part Number: MCP2210
• Description: USB-to-SPI Protocol Converter with GPIO (Master Mode)
• Manufacturer: MICROCHIP [Microchip Technology]

TABLE 3-62:
TABLE 3-63:
FIGURE 3-23:
 2011 Microchip Technology Inc.
Byte Index
Byte Index
4-63
4-63
0
1
2
3
0
1
2
3
0x42 – Transfer SPI Data – echos back the given command code
0x00 – SPI Data accepted – Command Completed Successfully – SPI data accepted
How many SPI received data bytes the chip is sending back to the host
0x30 – SPI Transfer Engine Status: SPI transfer not finished; received data available
SPI received data bytes. The number of data bytes is specified at byte index 2
0x42 – Transfer SPI Data – echos back the given command code
0x00 – SPI Data accepted – Command Completed Successfully – SPI data accepted
How many SPI received data bytes the chip is sending back to the host
0x10 – SPI Transfer Engine Status: SPI transfer finished – no more data to send
SPI received data bytes. The number of data bytes is specified at byte index 2
RESPONSE 4 STRUCTURE
RESPONSE 5 STRUCTURE
to complete the SPI Transfer
for more data packets
SPI Engine waiting
TRANSFER SPI DATA LOGIC FLOW
Response 4
TRUE
Waiting for More Data
SPI Transfer
packet of the SPI Transfer
the last received SPI data
TRUE
The response will contain
SPI Transfer Ended
Response 5
Transfer SPI Data
by an External Master
FALSE
SPI Transfer
SPI Bus owned
Ongoing
TRUE
Response 1
TRUE
SPI Transfer Ended
Meaning
Meaning
FALSE
used by External Master
SPI Bus
cannot accept any data now
FALSE
Ongoing SPI Transfer
Response 3
will start afterwards
SPI Data Accepted
The SPI Transfer
FALSE
Response 2
MCP2210
DS22288A-page 55