rf5c15 ETC-unknow, rf5c15 Datasheet - Page 6

• Manufacturer Part Number: rf5c15
• Description: Real-time Clock
• Manufacturer: ETC-unknow

6
RP/RF/RJ5C15
ADDRESS MAPPING
•
A3 to A0
MODE
Clock Output Select Register (BANK 1, Address 0h)
*
*
) “x” means “Don't care” for Write ; always “0” for Read.
D3
) “x” means “Don't care” for Write ; always “0” for Read.
A
B
C
D
E
0
1
2
3
4
5
6
7
8
9
F
1-second counter
10-second counter
1-minute counter
10-minute counter
1-hour counter
10-hour counter
Day-of-the-week counter
1-day counter
10-day counter
1-month counter
10-month counter
1-year counter
10-year counter
MODE register
TEST register
RESET controller, etc. 1Hz ON 16Hz ON
D2
0
0
0
0
1
1
1
1
Description
D1
0
0
1
1
0
0
1
1
Timer EN Alarm EN
D0
Test 3
0
1
0
1
0
1
0
1
D3
BANK 0
Test 2
D2
Clock Output
Timer RESET Alarm RESET
16.384kHz
Test 1
1.024kHz
1/60Hz
D1
128Hz
16Hz
1Hz
“Z”
“L”
BANK1/0
Test 0
D0
Clock output select
Adjust
1-minute alarm register
10-minute alarm register
1-hour alarm register
10-hour alarm register
Day-of-the-week alarm register
1-day alarm register
10-day alarm register
12/24 select register
Leap year counter
register
Description
High impedance
duty 50%
duty 50%
duty 50%
duty 50%
duty 50%
duty 50%
When the second counter counts up.
When the second counter counts up.
Timer EN Alarm EN
1Hz ON 16Hz ON
Test 3
D3
BANK 1
Remarks
Test 2
D2
Timer RESET Alarm RESET
Test 1
D1
BANK1/0
Test 0
ADJ
D0