S9S12G128F0MLL Datasheet, PDF (263/1292 Pages) Freescale Semiconductor, Inc – Reference Manual and Date Sheet

4.6 Memory Map and Register Definition
4.6.1 Register Map
Table 4-1 shows the RVA register map.
Reference Voltage Attenuator (RVAV1)
Table 4-1. RVA Register Map
Global Address
Register Name
Bit 7
6
5
4
3
2
1
Bit 0
0x0276
R
0
0
0
0
0
0
0
RVACTL
W
RVAON
= Unimplemented or Reserved
4.6.2 Register Descriptions
4.6.2.1 RVA Control Register (RVACTL)
Address 0x0276
7
R
0
W
Reset
0
1 _{Read: Anytime}
Write: Anytime
6
5
4
3
2
0
0
0
0
0
0
0
0
0
0
Figure 4-2. RVA Control Register (RVACTL)
Table 4-2. RVACTL Register Field Descriptions
Field
Description
0
RVA On —
RVAON This bit turns on the reference voltage attenuation.
0 RVA in bypass mode
1 RVA in attenuation mode
Access: User read/write¹
1
0
0
RVAON
0
0
MC9S12G Family Reference Manual, Rev.1.23
Freescale Semiconductor
265