MC9S12G FREESCALE [Freescale Semiconductor, Inc], MC9S12G Datasheet - Page 474

• Manufacturer Part Number: MC9S12G
• Description: Ignores external trigger. Performs one conversion sequence and stops.
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

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