Fujitsu FR81S User Manual
CHAPTER 43: D/A CONVERTER
4. Registers
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : D/A CONVERTER
FUJITSU SEMICONDUCTOR CONFIDENTIAL
7
4.1. DA Control Register : DACR
The bit configuration of the DA control register is shown below.
This register DACR enables the output from the DAO pin.
This register DACR is the target of the key code function.
DACR Address Base_addr (Access : Byte, Half-word, Word)
bit7
bit6
bit5
bit4
bit3
bit2
bit1
bit0
Reserved
DAE
Initial value
-
-
-
-
-
-
-
0
Attribute
RX,WX
RX,WX
RX,WX
RX,WX
RX,WX
RX,WX
RX,WX
R/W
[bit0] DAE (DA Enable) : DA output enable bit
0: Output disabled
1: Output enabled
Notes:
When the D/A converter has been selected as a port function, if "0" is written in this bit the port
becomes a general-purpose port function.
When the D/A converter has been selected as a port function and changed to the stop mode or the watch
mode, the D/A converter stops the operation and the port becomes a general-purpose port function.
MB91520 Series
MN705-00010-1v0-E
1800