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4.5.5 I/O memory of output ports
Table 4.5.5.1 shows the I/O addresses and control bits for the output ports.
Register
Address
D3
D2
FOUTE
0
FOFQ1 FOFQ0
FF06H
R/W
R
CHFO
CHDO
CRMO
FF13H
R/W
R03HIZ R02HIZ R01HIZ R00HIZ
FF30H
R/W
R03
R02
(FOUT)
(TOUT)
FF31H
R/W
R13HIZ R12HIZ R11HIZ R10HIZ
FF32H
R/W
R13
R12
(HFO)
(HDO)
(XRMUTE)
FF33H
R/W
R23HIZ R22HIZ R21HIZ R20HIZ
FF34H
R/W
R23
R22
FF35H
R/W
0
0
BZOUT XBZOUT
FF65H
R
CHSEL PTOUT CKSEL1 CKSEL0
FFC1H
R/W
*1 Initial value at initial reset
*2 Not set in the circuit
*3 Constantly "0" when being read
S1C63558 TECHNICAL MANUAL
CHAPTER 4: PERIPHERAL CIRCUITS AND OPERATION (Output Ports)
Table 4.5.5.1 Control bits of output ports
D1
D0
Name Init
1
FOUTE
0
3
2
0
–
FOFQ1
0
R/W
FOFQ0
0
CHFO
0
CTMO
CHDO
0
CRMO
0
CTMO
0
R03HIZ
0
R02HIZ
0
R01HIZ
0
R00HIZ
0
R01
R00
R03
1
(BZ)
(XBZ)
R02
1
R01
1
R00
1
R13HIZ
0
R12HIZ
0
R11HIZ
0
R10HIZ
0
R11
R10
R13
1
(XTMUTE)
R12
1
R11
1
R10
1
R23HIZ
0
R22HIZ
0
R21HIZ
0
R20HIZ
0
R23
1
R21
R20
R22
1
R21
1
R20
1
3
2
0
–
0
3
–
2
BZOUT
0
R/W
XBZOUT
0
CHSEL
0
PTOUT
0
CKSEL1
0
CKSEL0
0
1
0
R03 output selection (R03 should be fixed at "1".)
FOUT
DC
Unused
FOUT
frequency
selection
HFO
DC
R13 output selection (R13 should be fixed at "1".)
HDO
DC
R12 output selection (R12 should be fixed at "1".)
XRMUTE
DC
R11 output selection (R11 should be fixed at "1".)
XTMUTE
DC
R10 output selection (R10 should be fixed at "1".)
Hi-Z
Output
R03 (FOUTE=0)/FOUT (FOUTE=1) Hi-z control
Hi-Z
Output
R02 (PTOUT=0)/TOUT (PTOUT=1) Hi-z control
Hi-Z
Output
R01 (BZOUT=0)/BZ (BZOUT=1) Hi-z control
Hi-Z
Output
R00 (XBZOUT=0)/XBZ (XBZOUT=1) Hi-z control
High
Low
R03 output port data (FOUTE=0) Fix at "1" when FOUT is used.
High
Low
R02 output port data (PTOUT=0) Fix at "1" when TOUT is used.
High
Low
R01 output port data (BZOUT=0) Fix at "1" when BZ is used.
High
Low
R00 output port data (XBZOUT=0) Fix at "1" when XBZ is used.
Hi-Z
Output
R13 (CHFO=0)/HFO (CHFO=1) Hi-z control
Hi-Z
Output
R12 (CHDO=0)/HDO (CHDO=1) Hi-z control
Hi-Z
Output
R11 (CRMO=0)/XRMUTE (CRMO=1) Hi-z control
Hi-Z
Output
R10 (CTMO=0)/XTMUTE (CTMO=1) Hi-z control
High
Low
R13 output port data (CHFO=0) Fix at "1" when HFO is used.
High
Low
R12 output port data (CHDO=0) Fix at "1" when HDO is used.
High
Low
R11 output port data (CRMO=0) Fix at "1" when XRMUTE is used.
High
Low
R10 output port data (CTMO=0) Fix at "1" when XTMUTE is used.
Hi-Z
Output
Hi-Z
Output
R20–R23 Hi-z control
Hi-Z
Output
Hi-Z
Output
High
Low
High
Low
R20–R23 output port data
High
Low
High
Low
Unused
Unused
BZ
DC
R01 output selection (R01 should be fixed at "1".)
XBZ
DC
R00 output selection (R00 should be fixed at "1".)
Timer1
Timer0
TOUT output channel selection
On
Off
TOUT output control
OSC3
OSC1
Prescaler 1 source clock selection
OSC3
OSC1
Prescaler 0 source clock selection
EPSON
Comment
[FOFQ1, 0]
0
1
Frequency
f
/64
f
/8
OSC1
OSC1
2
3
f
f
OSC1
OSC3
37
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