63.10.56 TWI Host Mode Register

Name: FLEX_TWI_MMR
Offset: 0x604
Reset: 0x00000000
Property: Read/Write

Bit 3130292827262524 
        NOAP 
Access R/W 
Reset 0 
Bit 2322212019181716 
  DADR[6:0] 
Access R/WR/WR/WR/WR/WR/WR/W 
Reset 0000000 
Bit 15141312111098 
  SCLRBL[1:0]MREAD  IADRSZ[1:0] 
Access R/WR/WR/WR/WR/W 
Reset 00000 
Bit 76543210 
          
Access  
Reset  

Bit 24 – NOAP No Auto-Stop On NACK Error

ValueDescription
0 A stop condition is sent automatically upon Not-Acknowledge error detection.
1 No automatic action is performed upon Not-Acknowledge error detection.

Bits 22:16 – DADR[6:0] Device Address

The device address is used to access client devices in Read or Write mode. Those bits are only used in Host mode.

Bits 14:13 – SCLRBL[1:0] SCL Rise Boost Level

Number of clock periods during which SCL rise is boosted (meaning line driven to level ‘1’).

Bit 12 – MREAD Host Read Direction

ValueDescription
0 Host write direction.
1 Host read direction.

Bits 9:8 – IADRSZ[1:0] Internal Device Address Size

ValueNameDescription
0 NONE No internal device address
1 1_BYTE One-byte internal device address
2 2_BYTE Two-byte internal device address
3 3_BYTE Three-byte internal device address