
aPPenDiX a liST OF i/O ReGiSTeRS
S1C17624/604/622/602/621 TeChniCal Manual
Seiko epson Corporation
aP-a-9
0x4280–0x4288
Fine Mode 8-bit Timer Ch.1
Register name address
Bit
name
Function
Setting
init. R/W
Remarks
T8F Ch.1
Count Clock
Select Register
(T8F_ClK1)
0x4280
(16 bits)
D15–4 –
reserved
–
–
–
0 when being read.
D3–0 DF[3:0]
Count clock division ratio select
DF[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
1/16384
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
1/1
T8F Ch.1
Reload Data
Register
(T8F_TR1)
0x4282
(16 bits)
D15–8 –
reserved
–
–
–
0 when being read.
D7–0 TR[7:0]
Reload data
TR7 = MSB
TR0 = LSB
0x0 to 0xff
0x0 R/W
T8F Ch.1
Counter Data
Register
(T8F_TC1)
0x4284
(16 bits)
D15–8 –
reserved
–
–
–
0 when being read.
D7–0 TC[7:0]
Counter data
TC7 = MSB
TC0 = LSB
0x0 to 0xff
0xff
R
T8F Ch.1
Control Register
(T8F_CTl1)
0x4286
(16 bits)
D15–12 –
reserved
–
–
–
0 when being read.
D11–8 TFMD[3:0] Fine mode setup
0x0 to 0xf
0x0 R/W Set a number of times
to insert delay into a
16-underflow period.
D7–5 –
reserved
–
–
–
0 when being read.
D4
TRMD
Count mode select
1 One shot
0 Repeat
0
R/W
D3–2 –
reserved
–
–
–
0 when being read.
D1
PReSeR
Timer reset
1 Reset
0 Ignored
0
W
D0
PRun
Timer run/stop control
1 Run
0 Stop
0
R/W
T8F Ch.1
interrupt
Control Register
(T8F_inT1)
0x4288
(16 bits)
D15–9 –
reserved
–
–
–
0 when being read.
D8
T8Fie
T8F interrupt enable
1 Enable
0 Disable
0
R/W
D7–1 –
reserved
–
–
–
0 when being read.
D0
T8FiF
T8F interrupt flag
1 Cause of
interrupt
occurred
0 Cause of
interrupt not
occurred
0
R/W Reset by writing 1.
0x4306–0x4318
interrupt Controller
Register name address
Bit
name
Function
Setting
init. R/W
Remarks
interrupt level
Setup Register 0
(iTC_lV0)
0x4306
(16 bits)
D15–11 –
reserved
–
–
–
0 when being read.
D10–8 ilV1[2:0]
P1 interrupt level
0 to 7
0x0 R/W
D7–3 –
reserved
–
–
–
0 when being read.
D2–0 ilV0[2:0]
P0 interrupt level
0 to 7
0x0 R/W
interrupt level
Setup Register 1
(iTC_lV1)
0x4308
(16 bits)
D15–11 –
reserved
–
–
–
0 when being read.
D10–8 ilV3[2:0]
CT/RTC interrupt level
0 to 7
0x0 R/W
D7–3 –
reserved
–
–
–
0 when being read.
D2–0 ilV2[2:0]
SWT interrupt level
0 to 7
0x0 R/W
interrupt level
Setup Register 2
(iTC_lV2)
0x430a
(16 bits)
D15–11 –
reserved
–
–
–
0 when being read.
D10–8 ilV5[2:0]
SVD interrupt level
0 to 7
0x0 R/W
D7–3 –
reserved
–
–
–
0 when being read.
D2–0 ilV4[2:0]
T8OSC1 interrupt level
0 to 7
0x0 R/W
interrupt level
Setup Register 3
(iTC_lV3)
0x430c
(16 bits)
D15–11 –
reserved
–
–
–
0 when being read.
D10–8 ilV7[2:0]
T16E Ch.0 interrupt level
0 to 7
0x0 R/W
D7–3 –
reserved
–
–
–
0 when being read.
D2–0 ilV6[2:0]
LCD/T16A2 Ch.0 interrupt level
0 to 7
0x0 R/W
interrupt level
Setup Register 4
(iTC_lV4)
0x430e
(16 bits)
D15–11 –
reserved
–
–
–
0 when being read.
D10–8 ilV9[2:0]
T16 Ch.0 interrupt level
0 to 7
0x0 R/W
D7–3 –
reserved
–
–
–
0 when being read.
D2–0 ilV8[2:0]
T8F Ch.0/Ch.1 interrupt level
0 to 7
0x0 R/W
interrupt level
Setup Register 5
(iTC_lV5)
0x4310
(16 bits)
D15–11 –
reserved
–
–
–
0 when being read.
D10–8 ilV11[2:0]
T16 Ch.2 interrupt level
0 to 7
0x0 R/W
D7–3 –
reserved
–
–
–
0 when being read.
D2–0 ilV10[2:0]
T16 Ch.1 interrupt level
0 to 7
0x0 R/W