aPPenDiX a liST OF i/O ReGiSTeRS
aP-a-14
Seiko epson Corporation
S1C17624/604/622/602/621 TeChniCal Manual
Register name address
Bit
name
Function
Setting
init. R/W
Remarks
T8OSC1
Compare Data
Register
(T8OSC1_CMP)
0x50c2
(8 bits)
D7–0 T8OCMP[7:0] Compare data
T8OCMP7 = MSB
T8OCMP0 = LSB
0x0 to 0xff
0x0 R/W
T8OSC1
interrupt Mask
Register
(T8OSC1_iMSK)
0x50c3
(8 bits)
D7–1 –
reserved
–
–
–
0 when being read.
D0
T8Oie
T8OSC1 interrupt enable
1 Enable
0 Disable
0
R/W
T8OSC1
interrupt Flag
Register
(T8OSC1_iFlG)
0x50c4
(8 bits)
D7–1 –
reserved
–
–
–
0 when being read.
D0
T8OiF
T8OSC1 interrupt flag
1 Cause of
interrupt
occurred
0 Cause of
interrupt not
occurred
0
R/W Reset by writing 1.
T8OSC1 PWM
Duty Data
Register
(T8OSC1_DuTY)
0x50c5
(8 bits)
D7–0 T8ODTY[7:0] PWM output duty data
T8ODTY7 = MSB
T8ODTY0 = LSB
0x0 to 0xff
0x0 R/W
0x5066, 0x5100–0x5104
SVD Circuit
Register name address
Bit
name
Function
Setting
init. R/W
Remarks
SVD Clock
Control Register
(OSC_SVD)
0x5066
(8 bits)
D7–2 –
reserved
–
–
–
0 when being read.
D1
SVDSRC
SVD clock source select
1 OSC1
0 HSCLK/512
1
R/W
D0
SVDCKen SVD clock enable
1 Enable
0 Disable
0
R/W
SVD enable
Register
(SVD_en)
0x5100
(8 bits)
D7–1 –
reserved
–
–
–
0 when being read.
D0
SVDen
SVD enable
1 Enable
0 Disable
0
R/W
SVD
Comparison
Voltage Register
(SVD_CMP)
0x5101
(8 bits)
D7–4 –
reserved
–
–
–
0 when being read.
D3–0 SVDC[3:0] SVD comparison voltage select
SVDC[3:0]
Voltage
0x0 R/W
0xf
0xe
0xd
0xc
0xb
0xa
0x9
0x8
0x7
0x6
0x5
0x4
0x3
0x2
0x1
0x0
3.2 V
3.1 V
3.0 V
2.9 V
2.8 V
2.7 V
2.6 V
2.5 V
2.4 V
2.3 V
2.2 V
2.1 V
2.0 V
1.9 V
1.8 V
reserved
SVD Detection
Result Register
(SVD_RSlT)
0x5102
(8 bits)
D7–1 –
reserved
–
–
–
0 when being read.
D0
SVDDT
SVD detection result
1 Low
0 Normal
×
R
SVD interrupt
Mask Register
(SVD_iMSK)
0x5103
(8 bits)
D7–1 –
reserved
–
–
–
0 when being read.
D0
SVDie
SVD interrupt enable
1 Enable
0 Disable
0
R/W
SVD interrupt
Flag Register
(SVD_iFlG)
0x5104
(8 bits)
D7–1 –
reserved
–
–
–
0 when being read.
D0
SVDiF
SVD interrupt flag
1 Cause of
interrupt
occurred
0 Cause of
interrupt not
occurred
0
R/W Reset by writing 1.
0x5120
Power Generator
Register name address
Bit
name
Function
Setting
init. R/W
Remarks
V
D1
Control
Register
(VD1_CTl)
0x5120
(8 bits)
D7–6 –
reserved
–
–
–
0 when being read.
D5
hVlD
V
D1
heavy load protection mode
1 On
0 Off
0
R/W
D4
–
reserved
–
0
R/W
D3–1 –
reserved
–
–
–
0 when being read.
D0
VD1MD
Flash erase/programming mode
1 Flash (2.5 V) 0 Norm.(1.8 V)
0
R/W
0x506e, 0x5140–0x514a
Real-time Clock (S1C17624/604)
Register name address
Bit
name
Function
Setting
init. R/W
Remarks
RTC Clock
Control Register
(RTC_CC)
0x506e
(8 bits)
D7–1 –
reserved
–
–
–
0 when being read.
D0
RTCCe
RTC clock enable
1 Enable
0 Disable
0
R/W
RTC interrupt
Status Register
(RTC_inTSTaT)
0x5140
(8 bits)
D7–1 –
reserved
–
–
–
0 when being read.
D0
RTCiRQ
Interrupt status
1 Occurred
0 Not occurred X (0) R/W Reset by writing 1.