13 CLOCK TIMER (CT)
13-4
Seiko epson Corporation
S1C17F13 TeChniCal Manual
(Rev. 1.0)
CT interrupt Flag Register
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
CTINTF
15–8 –
0x00
–
R
–
7–4 –
0x0
–
R
3
CT32HZIF
0
H0
R/W Cleared by writing 1.
2
CT8HZIF
0
H0
R/W
1
CT2HZIF
0
H0
R/W
0
CT1HZIF
0
H0
R/W
Bits 15–4 Reserved
Bit 3
CT32hZiF
Bit 2
CT8hZiF
Bit 1
CT2hZiF
Bit 0
CT1hZiF
These bits indicate the CT interrupt cause occurrence status.
1 (R):
Cause of interrupt occurred
0 (R):
No cause of interrupt occurred
1 (W):
Clear flag
0 (W):
Ineffective
The following shows the correspondence between the bit and interrupt:
CTINTF.CT32HZIF bit: 32 Hz interrupt
CTINTF.CT8HZIF bit: 8 Hz interrupt
CTINTF.CT2HZIF bit: 2 Hz interrupt
CTINTF.CT1HZIF bit: 1 Hz interrupt
CT interrupt enable Register
Register name
Bit
Bit name
Initial
Reset
R/W
Remarks
CTINTE
15–8 –
0x00
–
R
–
7–4 –
0x0
–
R
3
CT32HZIE
0
H0
R/W
2
CT8HZIE
0
H0
R/W
1
CT2HZIE
0
H0
R/W
0
CT1HZIE
0
H0
R/W
Bits 15–4 Reserved
Bit 3
CT32hZie
Bit 2
CT8hZie
Bit 1
CT2hZie
Bit 0
CT1hZie
These bits enable CT interrupts.
1 (R/W): Enable interrupts
0 (R/W): Disable interrupts
The following shows the correspondence between the bit and interrupt:
CTINTE.CT32HZIE bit: 32 Hz interrupt
CTINTE.CT8HZIE bit: 8 Hz interrupt
CTINTE.CT2HZIE bit: 2 Hz interrupt
CTINTE.CT1HZIE bit: 1 Hz interrupt