MC9S12G Datasheet, PDF (474/1160 Pages) Freescale Semiconductor, Inc – Ignores external trigger. Performs one conversion sequence and stops.

Digital Analog Converter (DAC_8B5V)
15.4.2.2 Analog Output Voltage Level Register (DACVOL)
Module Base + 0x0002
Access: User read/write¹
7
6
5
4
3
2
1
0
R
VOLTAGE[7:0]
W
Reset
0
0
0
0
0
0
0
0
1 _{Read: Anytime}
Write: Anytime
Figure 15-4. Analog Output Voltage Level Register (DACVOL)
Table 15-4. DACVOL Field Description
Field
Description
7:0
VOLTAGE — This register defines (together with the FVR bit) the analog output voltage. For more detail see
VOLTAGE[7:0] Equation 15-1 and Equation 15-2.
15.4.2.3 Reserved Register
Module Base + 0x0007
Access: User read/write¹
7
R
Reserved
W
6
Reserved
5
Reserved
4
Reserved
3
Reserved
2
Reserved
Reset
x
x
x
x
x
x
Figure 15-5. Reserved Registerfv_dac_8b5v_RESERVED
1 _{Read: Anytime}
Write: Only in special mode
1
Reserved
x
0
Reserved
x
15.5 Functional Description
15.5.1 Functional Overview
The DAC resistor network and the operational amplifier can be used together or stand alone. Following
modes are supported:
Table 15-5. DAC Modes of Operation
DACM[2:0]
Off
000
Description
Submodules
DAC resistor
network
Operational
Amplifier
disabled
disabled
DACU
Output
AMP
disconnected
disconnected
MC9S12G Family Reference Manual, Rev.1.01
474
Freescale Semiconductor
This document is valid for the S12G96 and the S12G128 device. All information related to other devices is preliminary.