HANBit
HMNR1288D(V)
Power Down/Up Trip Points DC Characteristics
Symbol
Parameter(1,2)
Min
4.2
2.7
Typ
4.35
Max
4.5
Unit
HMNR1288D
HMNR1288DV
HMNR1288D
HMNR1288DV
V
VPFD
Power-fail Deselect Voltage
2.9
3.0
V
3.0
V
V
Battery Back-up Switchover
Voltage
VSO
VPFD-100mV
(3)
TDR
Expected Data Retention Time
10
YEARS
Note: 1. All voltages referenced to VSS
.
2. Valid for Ambient Operating Temperature: TA = 0 to 70°C; VCC = 4.5 to 5.5V or 3.0 to 3.6V (except where noted).
3. At 25°C.
Register Map
Data
Funtion /
Address
Range BCD Format
D7
D6
D5
D4
D3
D2
D1
D0
1FFFFh
1FFFEh
1FFFDh
1FFFCh
1FFFBh
1FFFAh
1FFF9h
1FFF8h
1FFF7h
1FFF6h
1FFF5h
1FFF4h
1FFF3h
1FFF2h
1FFF1h
1FFF0h
10Years
Year
Year
00-99
01-12
01-31
01-07
00-23
00-59
00-59
0
0
0
0
0
10M
0
Month
Date : Day of Month
Day
Month
Date
10 Date
0
FT
0
0
0
Day
0
10 Hours
10 Minutes
Hours(24 Hour Format)
Minutes
Hours
0
Minutes
Seconds
Control
ST
W
10 Seconds
S
Seconds
R
Calibration
WDS BMB4 BMB3 BMB2 BMB1 BMB0 RB1
RB0
Watchdog
AL Month
AL Date
AL Hours
AL Minutes
AL Seconds
Century
Flag
AFE
0
ABE AL10M
AL 10 Date
Alarm Month
Alarm Date
01-12
01-31
00-23
00-59
00-59
00-99
RPT4 RPT5
RPT3
RPT2
RPT1
0
AL 10 Hours
Alarm Hours
Alarm Minutes
Alarm Seconds
100 Years
AL 10 Minutes
AL 10 Seconds
1000 Years
AF
WDF
0
BL
Y
Y
Y
Y
Keys :
S = SIGN BIT
AF = ALARM FLAG (READ ONLY)
FT = FREQUENCY TEST BIT
R = READ BIT
W = WRITE BIT
WDS = WATCHDOG STEERING BIT
BMB0-BMB4 = WATCHDOG MULTIPLIER BITS
RB0-RB1 = WATCHDOG RESOLUTION BITS
AFE = ALARM FLAG ENABLE
ST = STOP BIT
0 = MUST BE SET TO ’0’
Y = ’1’ OR ’0‘
BL = BATTERY LOW (READ ONLY)
ABE = ALARM IN BATTERY BACK-UP MODE ENABLE
RPT1-RPT5 = ALARM REPEAT MODE BIT S
WDF = WATCHDOG FLAG (READ ONLY)
URL : www.hbe.co.kr
Rev. 1.0 (April, 2002)
9
HANBit Electronics Co.,Ltd
HANBIT [ HANBIT ELECTRONICS CO.,LTD ]
