Datasheet

Chapter 7 Digital-to-Analog Converter (DAC8B1CV1)
MC9S12E128 Data Sheet, Rev. 1.07
238 Freescale Semiconductor
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 Function
DAO DAC channel output
V
DDA
DAC power supply
V
SSA
DAC ground supply
V
REF
Reference voltage for DAC conversion
V
RL
Reference ground voltage connected
to V
SSA
outside the DAC boundary
V
DDA
V
REF
V
RL
V
SSA
CONTROL CIRCUIT
ANALOG SUB-BLOCK
O/P VOLTAGE
DAO
DAC
CHANNEL
DACC DACD