PXR40RM Datasheet, PDF (142/1434 Pages) Freescale Semiconductor, Inc – PXR40 Microcontroller

Power Management Controller (PMC)
Table 5-5. PMC_TRIMR Field Descriptions (continued)
Field
16–19
VDD33TRIM
20–23
LVD33TRIM
Description
Description:
This field is used to fine tune VDD33 the output voltage of the 3.3V regulator, the VDDSYN supply. See
the PXR40 Microcontroller Data Sheet for details.
0111VDD33–8 * STEPV33
0110 VDD33–7 * STEPV33
0101 VDD33–6* STEPV33
0100 VDD33–5* STEPV33
0011 VDD33–4* STEPV33
0010 VDD33–3* STEPV33
0001 VDD33–2* STEPV33
0000 VDD33–1* STEPV33
1111 Nominal, start-up and default value VDD33
1110 VDD33+1* STEPV33
1101 VDD33+2* STEPV33
1100 VDD33+3* STEPV33
1011 VDD33+4* STEPV33
1010 VDD33+5* STEPV33
1001 VDD33+6* STEPV33
1000 VDD33+7* STEPV33
Description:
LVD 3.3V trimming. This field is used to fine tune the rising voltage threshold of the VDDSYN supply,
which can be internally regulated by the 3.3V regulator in LDO5V and SMPS5V modes or can be
provided externally in LDO3V mode. See the PXR40 Microcontroller Data Sheet for details.
0111 LVD33–8 * LVDSTEP33
0110 LVD33–7 * LVDSTEP33
0101 LVD33–6 * LVDSTEP33
0100 LVD33–5 * LVDSTEP33
0011 LVD33–4 * LVDSTEP33
0010 LVD33–3 * LVDSTEP33
0001 LVD33–2 * LVDSTEP33
0000 LVD33–1 * LVDSTEP33
1111 Nominal, start-up and default value of LVD33
1101 LVD33+1 * LVDSTEP33
1110 LVD33+2 * LVDSTEP33
1100 LVD33+3 * LVDSTEP33
1011 LVD33+4 * LVDSTEP33
1001 LVD33+5 * LVDSTEP33
1010 LVD33+6 * LVDSTEP33
1000 LVD33+7 * LVDSTEP33
5-10
PXR40 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor