aPPenDiX a liST OF i/O ReGiSTeRS
S1C17624/604/622/602/621 TeChniCal Manual
Seiko epson Corporation
aP-a-13
0x5063, 0x50a0–0x50a6
lCD Driver
Register name address
Bit
name
Function
Setting
init. R/W
Remarks
lCD Clock
Select Register
(OSC_lClK)
0x5063
(8 bits)
D7–5 –
reserved
–
–
–
0 when being read.
D4–2 lCKDV[2:0] LCD clock division ratio select
LCKDV[2:0]
Division ratio
0x0 R/W When the clock
source is HSCLK
0x7–0x5
0x4
0x3
0x2
0x1
0x0
reserved
1/512
1/256
1/128
1/64
1/32
D1
lCKSRC
LCD clock source select
1 OSC1
0 HSCLK
1
R/W
D0
lCKen
LCD clock enable
1 Enable
0 Disable
0
R/W
lCD Display
Control Register
(lCD_DCTl)
0x50a0
(8 bits)
D7
SeGReV
Segment output assignment control 1 Normal
0 Reverse
1
R/W
D6
COMReV
Common output assignment control 1 Normal
0 Reverse
1
R/W
D5
DSPaR
Display memory area control
1 Area 1
0 Area 0
0
R/W
D4
DSPReV
Reverse display control
1 Normal
0 Reverse
1
R/W
D3–2 –
reserved
–
–
–
0 when being read.
D1–0 DSPC[1:0] LCD display control
DSPC[1:0]
Display
0x0 R/W
0x3
0x2
0x1
0x0
All off
All on
Normal display
Display off
lCD Contrast
adjustment
Register
(lCD_CaDJ)
0x50a1
(8 bits)
D7–4 –
reserved
–
–
–
0 when being read.
D3–0 lC[3:0]
LCD contrast adjustment
LC[3:0]
Display
0x7 R/W
0xf
:
0x0
Dark
:
Light
lCD Clock
Control Register
(lCD_CCTl)
0x50a2
(8 bits)
D7–6 FRMCnT[1:0] Frame frequency control
FRMCNT[1:0] Division ratio
0x1 R/W Source clock: LCLK
0x3
0x2
0x1
0x0
1/1024
1/680
1/512
1/256
D5
lFROuT
LFRO output control
1 On
0 Off
0
R/W
D4–3 –
reserved
–
–
–
0 when being read.
D2–0 lDuTY[2:0] LCD duty select
LDUTY[2:0]
Duty
0x4 R/W
0x7–0x5
0x4
0x3
0x2
0x1
0x0
reserved
1/8
1/4
1/3
1/2
Static
lCD Voltage
Regulator
Control Register
(lCD_VReG)
0x50a3
(8 bits)
D7–5 –
reserved
–
–
–
0 when being read.
D4
lhVlD
LCD heavy load protection mode
1 On
0 Off
0
R/W
D3–1 –
reserved
–
–
–
0 when being read.
D0
VCSel
V
C
reference voltage select
1 V
C2
0 V
C1
0
R/W
lCD interrupt
Mask Register
(lCD_iMSK)
0x50a5
(8 bits)
D7–1
–
reserved
–
–
–
0 when being read.
D0
FRMie
Frame signal interrupt enable
1 Enable
0 Disable
0
R/W
lCD interrupt
Flag Register
(lCD_iFlG)
0x50a6
(8 bits)
D7–1
–
reserved
–
–
–
0 when being read.
D0
FRMiF
Frame signal interrupt flag
1 Occurred
0 Not occurred
0
R/W Reset by writing 1.
0x5065, 0x50c0–0x50c5
8-bit OSC1 Timer
Register name address
Bit
name
Function
Setting
init. R/W
Remarks
T8OSC1 Clock
Control Register
(OSC_T8OSC1)
0x5065
(8 bits)
D7–4 –
reserved
–
–
–
0 when being read.
D3–1 T8O1CK
[2:0]
T8OSC1 clock division ratio select T8O1CK[2:0]
Division ratio
0x0 R/W Clock source: OSC1
0x7–0x6
0x5
0x4
0x3
0x2
0x1
0x0
reserved
1/32
1/16
1/8
1/4
1/2
1/1
D0
T8O1Ce
Clock enable
1 Enable
0 Disable
0
R/W
T8OSC1
Control Register
(T8OSC1_CTl)
0x50c0
(8 bits)
D7–5 –
reserved
–
–
–
0 when being read.
D4
T8ORST
Timer reset
1 Reset
0 Ignored
0
W
D3–2 –
reserved
–
–
–
D1
T8ORMD
Count mode select
1 One shot
0 Repeat
0
R/W
D0
T8ORun
Timer run/stop control
1 Run
0 Stop
0
R/W
T8OSC1
Counter Data
Register
(T8OSC1_CnT)
0x50c1
(8 bits)
D7–0 T8OCnT[7:0] Timer counter data
T8OCNT7 = MSB
T8OCNT0 = LSB
0x0 to 0xff
0x0
R