GS2101M IP2WiFi Adapter Command Reference Guide
1VV0301499
Rev. 2.0
49
2019-08-05
shows the timing diagram for MCU write (>1024 Bytes) to GS node.
Figure 6 MCU Write (>1024 Bytes) to GS Node
MCU Read to GS Node
shows the timing diagram for MCU Read (<=1024 Bytes) to GS node.
Figure 7 MCU Read (<=1024 Bytes) to GS Node
1
3 4
5 6
8
2
7
0
1
3 4
5 6
8
2
7
0
9 10 11 12 13 14 15 16
WRITE_REQUEST from HOST
DATA
HOST CLOCK
CMD PHASE
RESPONSE PHASE
DATA PHASE
WRITE_RESPONSE
DATA_HEADER
GPIO goes LOW after 16+X bytes ,
when MCU sending more than
1024bytes to GS (Where X= actual
data size – 1024 Byte).
GPIO37 goes HIGH when GS is ready with
WRITE_RESPONSE
READ_REQUEST from HOST
DATA
CMD PHASE
RESPONSE PHASE
DATA PHASE
READ_RESPONSE
DATA_HEADER
GPIO37 goes LOW after receiving
4bytes of READ_REQUEST.
GPIO37 goes HIGH when GS is ready with
READ_RESPONSE
GPIO goes low after 16bytes , when MCU
is receiving data <= 1024bytes
GPIO LOW after
PING Interrupt
