aPPenDiX a liST OF i/O ReGiSTeRS
S1C17624/604/622/602/621 TeChniCal Manual
Seiko epson Corporation
aP-a-25
Register name address
Bit
name
Function
Setting
init. R/W
Remarks
a/D Control/
Status Register
(aDC10_CTl)
0x5384
(16 bits)
D15
–
reserved
–
–
–
0 when being read.
D14–12 aDiCh[2:0] Conversion channel indicator
0x0 to 0x7
0x0
R
D11
–
reserved
–
–
–
0 when being read.
D10
aDiBS
ADC10 status
1 Busy
0 Idle
0
R
D9
aDOWe
Overwrite error flag
1 Error
0 Normal
0
R/W Reset by writing 1.
D8
aDCF
Conversion completion flag
1 Completed 0 Run/Stand-
by
0
R Reset when ADC10_
ADD is read.
D7–6 –
reserved
–
–
–
0 when being read.
D5
aDOie
Overwrite error interrupt enable
1 Enable
0 Disable
0
R/W
D4
aDCie
Conversion completion int. enable 1 Enable
0 Disable
0
R/W
D3–2 –
reserved
–
–
–
0 when being read.
D1
aDCTl
A/D conversion control
1 Start
0 Stop
0
R/W
D0
aDen
ADC10 enable
1 Enable
0 Disable
0
R/W
a/D Clock
Control Register
(aDC_DiV)
0x5386
(16 bits)
D15–4 –
reserved
–
–
–
0 when being read.
D3–0 aDDF[3:0] A/D converter clock division ratio
select
ADDF[3:0]
Division ratio
0x0 R/W Source clock = PCLK
0xf
0xe
0xd
0xc
0xb
0xa
0x9
0x8
0x7
0x6
0x5
0x4
0x3
0x2
0x1
0x0
reserved
1/32768
1/16384
1/8192
1/4096
1/2048
1/1024
1/512
1/256
1/128
1/64
1/32
1/16
1/8
1/4
1/2
0x5067, 0x53a0–0x53ae
R/F Converter
Register name address
Bit
name
Function
Setting
init. R/W
Remarks
RFC Clock
Control Register
(OSC_RFC)
0x5067
(8 bits)
D7–4 –
reserved
–
–
–
0 when being read.
D3–2 RFTCKDV
[1:0]
RFC clock division ratio select
RFTCKDV[1:0] Division ratio
0x0 R/W When the clock
source is HSCLK
0x3
0x2
0x1
0x0
1/8
1/4
1/2
1/1
D1
RFTCKSRC RFC clock source select
1 OSC1
0 HSCLK
1
R/W
D0
RFTCKen RFC clock enable
1 Enable
0 Disable
0
R/W
RFC Control
Register
(RFC_CTl)
0x53a0
(16 bits)
D15–8 –
reserved
–
–
–
0 when being read.
D7
COnen
Continuous oscillation enable
1 Enable
0 Disable
0
R/W
D6
eVTen
Event counter mode enable
1 Enable
0 Disable
0
R/W
D5–4 SMODe[1:0] Sensor oscillation mode select
SMODE[1:0]
Sensor
0x0 R/W
0x3
0x2
0x1
0x0
reserved
DC capacitive
AC resistive
DC resistive
D3–2 –
reserved
–
–
–
0 when being read.
D1
ChSel
Conversion channel select
1 Ch.1
0 Ch.0
0
R/W
D0
RFCen
RFC enable
1 Enable
0 Disable
0
R/W
RFC Oscillation
Trigger Register
(RFC_TRG)
0x53a2
(16 bits)
D15–3 –
reserved
–
–
–
0 when being read.
D2
SSenB
Sensor B oscillation control/status
1 Start/Run
0 Stop
0
R/W
D1
SSena
Sensor A oscillation control/status
1 Start/Run
0 Stop
0
R/W
D0
SReF
Reference oscillation control/status 1 Start/Run
0 Stop
0
R/W
RFC
Measurement
Counter low
Register
(RFC_MCl)
0x53a4
(16 bits)
D15–0 MC[15:0]
Measurement counter low-order
16-bit data
0x0–0xffff
0x0 R/W
RFC
Measurement
Counter high
Register
(RFC_MCh)
0x53a6
(16 bits)
D15–8 –
reserved
–
–
–
0 when being read.
D7–0 MC[23:16]
Measurement counter high-order
8-bit data
0x0–0xff
0x0 R/W
RFC Time Base
Counter low
Register
(RFC_TCl)
0x53a8
(16 bits)
D15–0 TC[15:0]
Time base counter low-order 16-
bit data
0x0–0xffff
0x0 R/W
RFC Time Base
Counter high
Register
(RFC_TCh)
0x53aa
(16 bits)
D15–8 –
reserved
–
–
–
0 when being read.
D7–0 TC[23:16]
Time base counter high-order
8-bit data
0x0–0xff
0x0 R/W