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MC9S12E128CFUE Datasheet, PDF (238/606 Pages) Freescale Semiconductor, Inc – MC9S12E128 Data Sheet
Chapter 7 Digital-to-Analog Converter (DAC8B1CV1)
CONTROL CIRCUIT
VREF
VRL
VDDA
VSSA
DAO
DAC
CHANNEL
O/P VOLTAGE
ANALOG SUB-BLOCK
Figure 7-1. DAC8B1C Functional Block Diagram
7.2 External Signal Description
The DAC8B1C module requires four external pins. These pins are listed in Table 7-1 below.
Table 7-1. DAC8B1C External Pin Descriptions
Name
DAO
VDDA
VSSA
VREF
VRL
Function
DAC channel output
DAC power supply
DAC ground supply
Reference voltage for DAC conversion
Reference ground voltage connected
to VSSA outside the DAC boundary
MC9S12E128 Data Sheet, Rev. 1.07
238
Freescale Semiconductor