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GS2101M IP2WiFi Adapter Command Reference Guide
1VV0301499
Rev. 2.0
52
2019-08-05
3.2.2.5 Pin Connection for SPI Interface
describes the pin connection for the SPI interface.
Table 21 HI Frame Response (from GS Node)
Identifier
Description
Start of frame
0xA5
Class
0x11 - WRITE_RESPONSE_OK to MCU side
0x12 - READ_RESPONSE_OK to MCU side
0x13 - WRITE_RESPONSE_NOK to MCU side
0x14 - READ_RESPONSE_NOK to MCU side
0x15 - DATA to MCU side
Reserved
0x00
Additional Info
0x00,0x00
0x00, 0x01 - Pending Data for transfer from GS2000 to
MCU
Length
0 (No Data)
CheckSum
A single checksum byte is used, computed as the 1’s
complement of the 8-bit long (modulo-256) sum of all the
bytes of the HI HEADER (not including the Start
delimiter).
Table 22 Pin Connection for SPI Interface
Host MCU
IP2WiFi Node
Remarks
MSPI_DOUT
SSPI_DIN
N/A
MSPI_DIN
SSPI_DOUT
N/A
MSPI_SS
SSPI_SS
N/A
MSPI_CLK
SSPI_CLK
N/A
GPIO
GPIO37
Host wake-up signal or Ready to Send.
Ground
Ground
Ground