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RTC - 9701 JE
11. Register table
11.1. Register table
11.1.1. RTC register table (when the RTC mode is set)
Add
Function
ress
0
SEC
1
MIN
2
HOUR
3
WEEK
4
DAY
5
MONTH
6
YEAR
∗ 2
7
Y100
8
MIN Alarm
9
HOUR Alarm
WEEK Alarm
A
DAY Alarm
∗ 3
B
Reserved
Interval
C
TDUTY
Timer
Extension
D
Reg.
∗ 5
E
Flag Reg.
F
Control Reg.
Note1.
1. At the initial power supply, the values of the registers are not fixed, so please initialize them before use.
While initializing, do not set impossible data for date and time; otherwise there is no guarantee that the
clock will operate properly.
∗1."0" is read where "
Note2.
∗2. Since these are read-only bits, write is not permitted.
∗3. The Resreved register used by EPSON for testing. Setting does not do.
∗4. The TEST bit is used by EPSON for testing. Be sure to set it to "0" before use.
∗5. The flag bit will cleared with "0". ( "0" can not be replace to "1".)
11.1.2. EEPROM Memory table (When EEPROM Memory mode is set.)
Segment
Address
dF dE dD dC dB dA d9
0
00
•
•
•
FF
bit 7
bit 6
bit 5
∗ 1
S40
S20
¡
¡
M40
M20
¡
¡
H20
¡
W6
W5
¡
¡
D20
¡
¡
¡
Y80
Y40
Y20
0
0
1
AE
MA40
MA20
¡
AE
HA20
WA6
WA5
AE
¡
DA20
CT6
CT5
∗ 4
WADA UDUTY
TEST
VLF2
¡
UF
¡
¡
UIE
" is marked. When writing data, use "0".
¡
bit 4
bit 3
bit 2
S10
S8
S4
M10
M8
M4
H10
H8
H4
W4
W3
W2
D10
D8
D4
C10
C8
C4
Y10
Y8
Y4
0
0
0
MA10
MA8
MA4
HA10
HA8
HA4
WA4
WA3
WA2
DA10
DA8
DA4
Reserved
CT4
CT3
CT2
¡
¡
USEL
TF
AF
EXF
TIE
AIE
EXIE
Data
d8
d7
d6
d5
User Memory
Page-7
bit 1
bit 0
R/W
S2
S1
R/W
M2
M1
R/W
H2
H1
R/W
W1
W0
R/W
D2
D1
R/W
C2
C1
R/W
Y2
Y1
R/W
0
0
R
MA2
MA1
R/W
HA2
HA1
R/W
WA1
WA0
R/W
DA2
DA1
R/W
Prohibition
CT1
CT0
R/W
TSEL1
TSEL0
R/W
VLF
¡
R/W
VLIE
¡
R/W
d4
d3
d2
d1
d0
Comments
BCD
notation
BCD
notation
BCD
notation
n
2
notation
BCD
notation
BCD
notation
BCD
notation
20 is fixed
(BCD)
BCD
notation
BCD
notation
WADA=0
WADA=1
R/W
Prohibition
−
−
−
−
Comments
4 kbit
( 256 × 16 bit )
MQ - 362 - 03
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