MC9S12GRMV1 Datasheet, PDF (153/1292 Pages) Freescale Semiconductor, Inc – MC9S12G Family Reference Manual and Data Sheet

Device Overview MC9S12G-Family
The S12GA192 and the S12GA240 contain a Reference Voltage Attenuator (RVA) module. The
connection of the ADC’s VRH/VRL inputs on these devices is shown in Figure 1-27.
S12GN16, S12GNA16, S12GN32, S12GNA32, S12GN48, S12G48,
S12GA48, S12G64, S12GA64, S12G96, S12GA96, S12G128,
S12GA128, S12G192, S12G240
VRH
VSSA
ADC
VRH
VRL
VRH
VSSA
S12GA192, S12GA240
RVA
VRH
VSSA
VRH_INT
VRL_INT
ADC
VRH
VRL
Figure 1-27. ADC VRH/VRL Signal Connection
1.19 BDM Clock Source Connectivity
The BDM clock is mapped to the VCO clock divided by four.
MC9S12G Family Reference Manual, Rev.1.23
Freescale Semiconductor
155