39.7.1 PCC Mode Register

This register can only be written if the WPEN bit is cleared in the Write Protection Mode Register.
Table 39-1. Register Bit Attribute Legend
SymbolDescriptionSymbolDescriptionSymbolDescription
RReadable bitHCCleared by Hardware(Grey cell)Unimplemented
WWritable bitHSSet by HardwareXBit is unknown at Reset
KWrite to clearSSoftware settable bit
Name: MR
Offset: 0x00
Reset: 0x00000000
Property: -

Bit 3130292827262524 
 CID[1:0]       
Access R/WR/W 
Reset 00 
Bit 2322212019181716 
      ISIZE[2:0] 
Access R/WR/WR/W 
Reset 000 
Bit 15141312111098 
     FRSTSHALFSALWYSSCALE 
Access R/WR/WR/WR/W 
Reset 0000 
Bit 76543210 
   DSIZE[1:0]   PCEN 
Access R/WR/WR/W 
Reset 000 

Bits 31:30 – CID[1:0] Clear If Disabled

Clears status flags if disabled. These bits are useful to re-initialize the internal mechanism of the PCC to avoid corrupted data due to glitches. Each time a falling edge of the selected DEN1 or DEN2 signal is detected, the internal mechanism of the PCC is re-initialized to avoid alignment issues.
ValueDescription
0x0Clear not enabled
0x1Clear on falling edge on DEN1 enabled
0x2Clear on falling edge on DEN2 enabled
0x3Clear on falling edge on either DEN1 or DEN2 enabled

Bits 18:16 – ISIZE[2:0] Input Data Size

ValueNameDescription
0x08BITSInput data bus size is 8 bits
0x110BITSInput data bus size is 10 bits
0x212BITSInput data bus size is 12 bits
0x314BITSInput data bus size is 14 bits

Bit 11 – FRSTS First Sample

This bit is useful only if the HALFS bit is set to 1. If data are numbered in the order that they are received with an index from 0 to n.

ValueDescription
0Only data with an even index are sampled.
1Only data with an odd index are sampled.

Bit 10 – HALFS Half Sampling

This function is independent from the ALWYS bit.
ValueDescription
0The Parallel Capture Controller samples all the data.
1The Parallel Capture Controller samples the data only every other time.

Bit 9 – ALWYS Always Sampling

ValueDescription
0The parallel capture Controller samples the data when both data enables are active.
1The parallel capture controller always samples the data, regardless of the state of data enable.

Bit 8 – SCALE Scale Data

ValueDescription
0No effect.
1When input data size is not equal to 8 bits (ISIZE ≠ 0), the data stored in the PCC_RHR is automatically up-scaled to 16 bits.

Bits 5:4 – DSIZE[1:0] Data Size

ValueNameDescription
0x01DATA1 data is read in the PCC_RHR
0x12DATA2 data are read in the PCC_RHR
0x24DATA4 data are read in the PCC_RHR (only for 8 bits data size, ISIZE = 0)
0x3-Reserved

Bit 0 – PCEN Parallel Capture Enable

ValueDescription
0The Parallel Capture Controller is disabled.
1The Parallel Capture Controller is enabled.