W3100A Datasheet, PDF (19/63 Pages) List of Unclassifed Manufacturers – i2Chip W3100A

C0_STR_PR
C1_STW_PR
C1_STR_PR
C2_STW_PR
C2_STR_PR
C3_STW_PR
C3_STR_PR
0x1F1
0x1F3
0x1F4
0x1F6
0x1F7
0x1F9
0x1FA
C0_ TR_PR
C1_ TW_PR
C1_ TR_PR
C2_ TW_PR
C2_ TR_PR
C3_ TW_PR
C3_ TR_PR
RW_PR (Rx Write Pointer Register) [R/W, C0 : 0x10 – 0x13, C1 : 0x1C – 0x1F, C2 : 0x28 –
0x2B, C3 : 0x34 – 0x37]
Included in each channel, this register displays the data end pointer when receiving data. The register is
managed internally by W3100A and increases according to the size of the data received.
MCU receives and processes the data from Rx Read Pointer to Rx Writer Pointer of the corresponding
channel.
RR_PR (Rx Read Pointer Register) [R/W, C0 : 0x14 – 0x17, C1 : 0x20 – 0x23, C2 : 0x2C – 0x2F,
C3 : 0x38 – 0x3B]
Included in each channel, this register displays the data start pointer when receiving data.
After processing the received data, MCU updates Rx Read Pointer as the pointer of the processed data and
releases Recv Command.
TW_PR (Tx Write Pointer Register) [R/W, C0 : 0x40 – 0x43, C1 : 0x4C – 0x4F, C2 : 0x58 –
0x5B, C3 : 0x64 – 0x67]
Included in each channel, this register displays the data end pointer of the data to be transmitted when
transmitting data.
For transmission, MCU writes the data to be transmitted from Tx Write Pointer of the corresponding channel,
and Tx Write Pointer needs to be updated with a new value after the data is copied.
Transmission is made after executing the Send command.
TR_PR (Tx Read Pointer Register) [R/W, C0 : 0x44 – 0x47, C1 : 0x50 – 0x53, C2 : 0x5C – 0x5F,
C3 : 0x68 – 0x6B]
Included in each channel, this register displays the current working pointer of the data to be transmitted when
transmitting data.
The register, used internally in W3100A, displays the pointer to start transmission when transmission is made
by send command.
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