M48T59Y-70PC1 STMicroelectronics, M48T59Y-70PC1 Datasheet - Page 13

• Manufacturer Part Number: M48T59Y-70PC1
• Description: IC TIMEKPR NVRAM 64KBIT 5V 28-DI
• Manufacturer: STMicroelectronics
• Series: Timekeeper®r
• Type: Clock/Calendar/NVSRAMr

Specifications of M48T59Y-70PC1

• Memory Size: 64K (8K x 8)
• Time Format: HH:MM:SS (24 hr)
• Date Format: YY-MM-DD-dd
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 28-DIP Module (600 mil), 28-EDIP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-2862-5

Table 5.
Keys:
Address
1FFDh
1FFCh
1FFFh
1FFEh
1FFBh
1FFAh
1FF9h
1FF8h
1FF7h
1FF6h
1FF5h
1FF4h
1FF3h
1FF2h
1FF1h
1FF0h
S = Sign bit
FT = Frequency test bit
R = Read bit
W = Write bit
ST = Stop bit
0 = Must be set to '0'
Y = '1' or '0'
Z = '0' and are read only
AF = Alarm flag (read only)
BL = Battery low (read only)
WDS = Watchdog steering bit
BMB0-BMB4 = Watchdog multiplier bits
RB0-RB1 = Watchdog resolution bits
AFE = Alarm flag enable
ABE = Alarm in battery back-up mode enable
RPT1-RPT4 = Alarm repeat mode bits
WDF = Watchdog flag (read only)
CEB = Century enable bit
CB = Century bit
RPT4
RPT3
RPT2
RPT1
Register map
WDS
WDF
AFE
D7
ST
W
Y
0
0
0
0
0
BMB
Alarm 10 seconds
Alarm 10 minutes
D6
AF
FT
10 Years
R
Y
Y
Y
Y
0
0
0
4
10 seconds
10 minutes
Al. 10 hours
CEB
BMB
ABE
Al. 10 date
D5
10 hours
S
Y
Z
0
3
10 date
10 M
BMB
CB
D4
BL
2
Y
Y
Data
BMB
D3
Y
Y
Z
0
1
Calibration
Alarm seconds
Alarm minutes
Alarm hours
Alarm date
BMB
Seconds
D2
Minutes
Y
Y
Month
0
Z
Hours
Date
Year
Day
RB1 RB0
D1
Y
Y
Z
D0
Y
Y
Z
Alarm seconds
Alarm minutes
Century/day
Alarm hours
Alarm date
Watchdog
Interrupts
Seconds
Minutes
Unused
Control
Month
Hours
Flags
Date
Year
Function/range
BCD format
00-01/01-07
00-99
01-12
01-31
00-23
00-59
00-59
01-31
00-23
00-59
00-59
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