16.17.2.2 NFC Address Command

Name: NFCADDR_CMD
Property: Read/Write

Bit 3130292827262524 
      NFCWRDATAENCSID[2] 
Access R/WR/WR/W 
Reset  
Bit 2322212019181716 
 CSID[1:0]ACYCLE[2:0]VCMD2CMD2[7:6] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset  
Bit 15141312111098 
 CMD2[5:0]CMD1[7:6] 
Access R/WR/WR/WR/WR/WR/WR/WR/W 
Reset  
Bit 76543210 
 CMD1[5:0]   
Access R/WR/WR/WR/WR/WR/W 
Reset  

Bit 26 – NFCWR NFC Write Enable

ValueDescription
0 NFC reads data from the NAND Flash.
1 NFC writes data into the NAND Flash.

Bit 25 – DATAEN NFC Data Phase Enable

When set to true, the NFC will automatically read or write data after the command.

Bits 24:22 – CSID[2:0] Chip Select Identifier

Chip select used.

Bits 21:19 – ACYCLE[2:0] Number of Address Cycles Required for the Current Command

When ACYCLE field is different from zero, ACYCLE Address cycles are performed after Command Cycle 1. The maximum number of cycles is 5.

Bit 18 – VCMD2 Valid Cycle 2 Command

When set to true, the CMD2 field is issued after the address cycle.

Bits 17:10 – CMD2[7:0] Command Register Value for Cycle 2

When a write access occurs with the VCMD2 field set, the NFC sends this command after CMD1.

Bits 9:2 – CMD1[7:0] Command Register Value for Cycle 1

When a write access occurs, the NFC sends this command.