Datasheet

Voltage Regulator (S12VREGL3V3V1)
S12XS Family Reference Manual, Rev. 1.13
498 Freescale Semiconductor
17.3.2.4 Autonomous Periodical Interrupt Trimming Register (VREGAPITR)
The VREGAPITR register allows to trim the API timeout period.
0x02F3
76543210
R
APITR5 APITR4 APITR3 APITR2 APITR1 APITR0
00
W
Reset 0
1
0
1
0
1
0
1
0
1
0
1
00
1. Reset value is either 0 or preset by factory. See Section 1 (Device Overview) for details.
= Unimplemented or Reserved
Figure 17-4. Autonomous Periodical Interrupt Trimming Register (VREGAPITR)
Table 17-7. VREGAPITR Field Descriptions
Field Description
7–2
APITR[5:0]
Autonomous Periodical Interrupt Period Trimming Bits — See Table 17-8 for trimming effects.
Table 17-8. Trimming Effect of APIT
Bit Trimming Effect
APITR[5] Increases period
APITR[4] Decreases period less than APITR[5] increased it
APITR[3] Decreases period less than APITR[4]
APITR[2] Decreases period less than APITR[3]
APITR[1] Decreases period less than APITR[2]
APITR[0] Decreases period less than APITR[1]