MC9S12E256 Datasheet, PDF (236/602 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers

Chapter 7 Digital-to-Analog Converter (DAC8B1CV1)
CONTROL CIRCUIT
V_REF
V_RL
V_DDA
V_SSA
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
V_DDA
V_SSA
V_REF
V_RL
Function
DAC channel output
DAC power supply
DAC ground supply
Reference voltage for DAC conversion
Reference ground voltage connected
to V_SSA outside the DAC boundary
MC9S12E256 Data Sheet, Rev. 1.08
236
Freescale Semiconductor