Epson CMOS 32-Bit Single Chip Microcomputer S1C33L03 - Page 36

4 PERIPHERAL CIRCUITS
A-20 EPSON S1C33L03 PRODUCT PART
NameAddressRegister name Bit Function Setting Init. R/W Remarks
–
TCHD5
TCHD4
TCHD3
TCHD2
TCHD1
TCHD0
D7–6
D5
D4
D3
D2
D1
D0
reserved
Clock timer minute counter data
TCHD5 = MSB
TCHD0 = LSB
–
X
X
X
X
X
X
–
R/W
0 when being read.0040155
(B)
–
0 to 59 minutes
Clock timer
minute register
0 to 23 hours
–
TCDD4
TCDD3
TCDD2
TCDD1
TCDD0
D7–5
D4
D3
D2
D1
D0
reserved
Clock timer hour counter data
TCDD4 = MSB
TCDD0 = LSB
–
X
X
X
X
X
–
R/W
0 when being read.0040156
(B)
Clock timer
hour register
–
0 to 65535 days
(low-order 8 bits)
TCND7
TCND6
TCND5
TCND4
TCND3
TCND2
TCND1
TCND0
D7
D6
D5
D4
D3
D2
D1
D0
Clock timer day counter data
(low-order 8 bits)
TCND0 = LSB
X
X
X
X
X
X
X
X
R/W0040157
(B)
Clock timer
day (low-order)
register
0 to 65535 days
(high-order 8 bits)
X
X
X
X
X
X
X
X
R/WTCND15
TCND14
TCND13
TCND12
TCND11
TCND10
TCND9
TCND8
D7
D6
D5
D4
D3
D2
D1
D0
Clock timer day counter data
(high-order 8 bits)
TCND15 = MSB
0040158
(B)
Clock timer
day (high-
order) register
0 to 59 minutes
(Note) Can be set within 0–63.
–
TCCH5
TCCH4
TCCH3
TCCH2
TCCH1
TCCH0
D7–6
D5
D4
D3
D2
D1
D0
reserved
Clock timer minute comparison
data
TCCH5 = MSB
TCCH0 = LSB
–
X
X
X
X
X
X
–
R/W
0 when being read.0040159
(B)
–Clock timer
minute
comparison
register
0 to 23 hours
(Note) Can be set within 0–31.
–
TCCD4
TCCD3
TCCD2
TCCD1
TCCD0
D7–5
D4
D3
D2
D1
D0
reserved
Clock timer hour comparison data
TCCD4 = MSB
TCCD0 = LSB
–
X
X
X
X
X
–
R/W
0 when being read.004015A
(B)
–Clock timer
hour
comparison
register
0 to 31 days
–
TCCN4
TCCN3
TCCN2
TCCN1
TCCN0
D7–5
D4
D3
D2
D1
D0
reserved
Clock timer day comparison data
TCCN4 = MSB
TCCN0 = LSB
–
X
X
X
X
X
–
R/W
0 when being read.
Compared with
TCND[4:0].
004015B
(B)
–Clock timer
day
comparison
register