M48T513V-85CS1 STMicroelectronics, M48T513V-85CS1 Datasheet - Page 17

• Manufacturer Part Number: M48T513V-85CS1
• Manufacturer: STMicroelectronics
• Type: NVSRAMr

Specifications of M48T513V-85CS1

• Word Size: 8b
• Organization: 512x8
• Density: 4Mb
• Interface Type: Parallel
• Access Time (max): 85ns
• Operating Supply Voltage (typ): 3.3V
• Operating Temperature Classification: Commercial
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Operating Temp Range: 0C to 70C
• Pin Count: 32
• Mounting: Surface Mount
• Supply Current: 60mA
• Lead Free Status / RoHS Status: Supplier Unconfirmed

Table 11. TIMEKEEPER Register Map
Keys: S = SIGN Bit
Address
7FFFEh
7FFFDh
7FFFCh
7FFFBh
7FFFFh
7FFFAh
7FFF9h
7FFF8h
7FFF7h
7FFF6h
7FFF5h
7FFF4h
7FFF3h
7FFF2h
7FFF1h
7FFF0h
FT = FREQUENCY TEST Bit
R = READ Bit
W = WRITE Bit
ST = STOP Bit
0 = Must be set to ’0’
Y = ’1’ or ’0‘
BL = Battery Low (Read only)
RPT4
RPT3
RPT2
RPT1
WDS
WDF
AFE
D7
ST
W
0
0
0
0
0
BMB4
RPT5
D6
AF
FT
R
0
0
0
0
0
1000 Year
10 Years
Al 10 Seconds
Al 10 Minutes
10 Seconds
10 Minutes
BMB3
ABE
D5
Al 10 Hours
0
0
S
Al 10 Date
0
10 Hours
10 Date
Al 10M
BMB2
10 M
D4
BL
0
Data
BMB1
D3
Y
0
Hours (24 Hour Format)
Calibration
Alarm Seconds
BMB0
Alarm Minutes
Alarm Month
Alarm Hours
D2
Alarm Date
Y
Seconds
100 Year
Minutes
Month
Date
Year
Day of Week
AF = Alarm Flag (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-RPT5 = Alarm Repeat Mode Bits
WDF = Watchdog Flag (Read only)
RB1
D1
Y
RB0
D0
Y
Watchdog
Seconds
A Month
A Hours
M48T513Y, M48T513V
Minutes
Century
Control
Al Date
Month
Hours
A Sec
A Min
Date
Year
Flag
Day
Function/Rang e
BCD Format
00-99
01-12
01-31
01-07
00-23
00-59
00-59
01-12
01-31
00-23
00-59
00-59
00-99
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