RX8804CE
Page - 18
ETM59E-05
8.3.3.
SOUT Function Program ex.2
By setting DC bit, SOUT pin can control status like a general OUT put port.
Timing chart SOUT Function program are described step 9 ~ E.
Figure 9 SOUT function Program ex.2
STEP 8
operation
Disabling SOUT function
Command Example
WriteRX8804(19h,00h)
Target Address
19h
SOE7
SOE6
SOE5
SOE4
SOE3
SOE2
SOE1
SOE0
Write Data
00h
0
0
0
0
0
0
0
0
STEP 9
operation
Enabling SOUT control by setting DCE bit to 1
Command Example
WriteRX8804(1Ah,80h)
Target Address
1Ah
DCE
DC
0
0
SRV
FS2
FS1
FS0
Write Data
80h
1
0
0
0
0
0
0
0
STEP A
operation
Enabling SOUT function
Command Example
WriteRX8804(19h,69h)
Target Address
19h
SOE7
SOE6
SOE5
SOE4
SOE3
SOE2
SOE1
SOE0
Write Data
69h
0
1
1
0
1
0
0
1
STEP B
operation
Outputting High level at SOUT pin
Command Example
WriteRX8804(1Ah,C0h)
Target Address
1Ah
DCE
DC
0
0
SRV
FS2
FS1
FS0
Write Data
C0h
1
1
0
0
0
0
0
0
STEP C
operation
Outputting High level at SOUT pin
Command Example
WriteRX8804(1Ah,80h)
Target Address
1Ah
DCE
DC
0
0
SRV
FS2
FS1
FS0
Write Data
80h
1
0
0
0
0
0
0
0
STEP D
operation
Outputting High level at SOUT pin
Command Example
WriteRX8804(1Ah,C0h)
Target Address
1Ah
DCE
DC
0
0
SRV
FS2
FS1
FS0
Write Data
C0h
1
1
0
0
0
0
0
0
STEPE
operation
Disabling SOUT function
Command Example
WriteRX8804(19h,00h)
Target Address
19h
SOE7
SOE6
SOE5
SOE4
SOE3
SOE2
SOE1
SOE0
Write Data
00h
0
0
0
0
0
0
0
0
V
DD
1.0 V Typ.
VLF Flag
SOUT
Step 1 2 3 4 5 6 7,8, 9 A B C D E
Program ex.2
Hi-Z
Hi-Z