MC9S12G Datasheet, PDF (49/1160 Pages) Freescale Semiconductor, Inc – Ignores external trigger. Performs one conversion sequence and stops.

Device Overview MC9S12G-Family
On some packages VRH is tied to VDDA or VDDXRA. Refer to section 1.8
Device Pinouts for further details.
1.7.3.6 Power and Ground Connection Summary
Table 1-7. Power and Ground Connection Summary
Mnemonic Nominal Voltage
Description
VDDR
VSS
VDDX_[3:1]
VSSX_[3:1]
VDDX
VSSX
VDDA
VSSA
VDDXR
VDDXRA
VSSXA
VRH
3.15V – 5.0 V
0V
3.15V – 5.0 V
0V
3.15V – 5.0 V
0V
3.15V – 5.0 V
0V
3.15V – 5.0 V
3.15V – 5.0 V
0V
3.15V – 5.0 V
External power supply for internal voltage regulator.
Return ground for the logic supply generated by the internal regulator
External power supply for I/O drivers. The 100-pin package features 3 I/O supply pins.
Return ground for I/O drivers. The100-pin package provides 3 ground pins
External power supply for I/O drivers, All packages except 100-pin feature 1 I/O supply.
Return ground for I/O drivers. All packages except 100-pin provide 1 I/O ground pin.
External power supply for the analog-to-digital converter and for the reference circuit of the
internal voltage regulator.
Return ground for VDDA analog supply
External power supply for I/O drivers and internal voltage regulator. For the 48-pin package
the VDDX and VDDR supplies are combined on one pin.
External power supply for I/O drivers, internal voltage regulator and analog-to-digital
converter. For the 20- and 32-pin package the VDDX, VDDR and VDDA supplies are
combined on one pin.
Return ground for I/O driver and VDDA analog supply
Reference voltage for the analog-to-digital converter.
MC9S12G Family Reference Manual, Rev.1.01
Freescale Semiconductor
49
This document is valid for the S12G96 and the S12G128 device. All information related to other devices is preliminary.