SIC63616-(Rev. 1.0) NO. P17
3240-0412
Table 4.1.1 (a) I/O memory map (FF00H-FF16H)
Remarks
∗
1 Initial value at initial reset
∗
2 Not set in the circuit
∗
3 Constantly "0" when being read
Address
Comment
D3
D2
Register
D1
D0
Name Init
∗
1
1
0
FF05H
0
0
SVDDT SVDON
R
R/W
0
∗
3
0
∗
3
SVDDT
SVDON
–
∗
2
–
∗
2
0
0
Low
On
Normal
Off
Unused
Unused
SVD evaluation data
SVD circuit On/Off
FF04H
SVDS3 SVDS2 SVDS1 SVDS0
R/W
SVDS3
SVDS2
SVDS1
SVDS0
0
0
0
0
SVD criteria voltage setting
FF01H
0
0
WDEN WDRST
R/W
W
R
0
∗
3
0
∗
3
WDEN
WDRST
∗
3
–
∗
2
–
∗
2
1
Reset
Enable
Reset
Disable
Invalid
Unused
Unused
Watchdog timer enable
Watchdog timer reset (writing)
FF16H
MDCKE SGCKE SWCKE RTCKE
R/W
MDCKE
SGCKE
SWCKE
RTCKE
0
0
0
0
Enable
Enable
Enable
Enable
Disable
Disable
Disable
Disable
Integer multiplier clock enable
Sound generator clock enable
Stopwatch timer clock enable
Clock timer clock enable
FF00H
CLKCHG OSCC
0
0
R/W
R
CLKCHG
OSCC
0
∗
3
0
∗
3
0
0
–
∗
2
–
∗
2
OSC3
On
OSC1
Off
CPU clock switch
OSC3 oscillation On/Off
Unused
Unused
1
1.8
9
2.6
2
1.9
10
2.7
3
2.0
11
2.8
4
2.1
12
2.9
5
2.2
13
3.0
6
2.3
14
3.1
7
2.4
15
3.2
[SVDS3–0]
Voltage (V)
[SVDS3–0]
Voltage (V)
FF11H
NRSP11 NRSP10 NRSP01 NRSP00
R/W
NRSP11
NRSP10
NRSP01
NRSP00
0
0
0
0
Key input interrupt noise reject frequency selection
0
Off
0
Off
1
f
OSC1
/16
1
f
OSC1
/16
2
f
OSC1
/64
2
f
OSC1
/64
3
f
OSC1
/256
3
f
OSC1
/256
[NRSP11, 10] (P40–P43)
Frequency
[NRSP01, 00] (P10–P13)
Frequency
FF10H
FOUT3 FOUT2 FOUT1 FOUT0
R/W
FOUT3
FOUT2
FOUT1
FOUT0
0
0
0
0
FOUT frequency selection
[FOUT3–0]
Frequency
[FOUT3–0]
Frequency
[FOUT3–0]
Frequency
0
Off
1
f
OSC1
/256
2
f
OSC1
/64
3
f
OSC1
/32
4
f
OSC1
/16
5
f
OSC1
/4
6
f
OSC1
/2
11
f
OSC3
/16
7
f
OSC1
12
f
OSC3
/8
8
f
OSC3
/256
13
f
OSC3
/4
9
f
OSC3
/64
14
f
OSC3
/2
10
f
OSC3
/32
15
f
OSC3
0
Off/External
[SIFCKS2–0]
Frequency
1
f
OSC1
2
f
OSC1
/2
3
f
OSC1
/4
4
PT1
[SIFCKS2–0]
Frequency
5
f
OSC3
6
f
OSC3
/2
7
f
OSC3
/4
FF14H
General SIFCKS2 SIFCKS1 SIFCKS0
R/W
General
SIFCKS2
SIFCKS1
SIFCKS0
0
0
0
0
General-purpose register
Serial I/F
clock frequency
selection
0
Off
[RFCKS2–0]
Frequency
1
f
OSC1
2
f
OSC1
/2
3
f
OSC1
/4
4
PT1
[RFCKS2–0]
Frequency
5
f
OSC3
6
f
OSC3
/2
7
f
OSC3
/4
FF15H
General RFCKS2 RFCKS1 RFCKS0
R/W
General
RFCKS2
RFCKS1
RFCKS0
0
0
0
0
General-purpose register
R/f converter
clock frequency
selection
FLCKS1 FLCKS0 VCCKS1 VCCKS0
R/W
FLCKS1
FLCKS0
VCCKS1
VCCKS0
0
0
0
0
Frame
frequency
selection
VC boost
frequency
selection
FF12H
FF03H
VCHLMOD VDHLMOD General LPWR
R/W
VCHLMOD
VDHLMOD
General
LPWR
0
0
0
0
On
On
1
On
Off
Off
0
Off
Heavy load protection mode On/Off for LCD system voltage regulator
Heavy load protection mode On/Off for internal voltage regulator
General-purpose register
LCD system voltage regulator On/Off
FF02H
VDSEL VCSEL HLON
DBON
R/W
VDSEL
VCSEL
HLON
DBON
0
0
0
0
1
V
D2
On
On
0
V
DD
Off
Off
General-purpose register
Power source select for LCD system voltage regulator
Power voltage booster/halver halving mode On/Off
Power voltage booster/halver boost mode On/Off
0
Off
[VCCKS1, 0]
Frequency
1
2 kHz
2, 3
Prohibited
0
32 Hz
1
24 Hz
2
16 Hz
3
8 Hz
[FLCKS1, 0]
Frequency
0
1.6
8
2.5
1
0
1
0
Содержание S1C63616
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