S-35190A-T8T1G Seiko Instruments, S-35190A-T8T1G Datasheet - Page 21

• Manufacturer Part Number: S-35190A-T8T1G
• Description: IC REAL TIME CLOCK 3WIRE 8-TSSOP
• Manufacturer: Seiko Instruments
• Type: Clock/Calendarr

Specifications of S-35190A-T8T1G

• Time Format: HH:MM:SS (12/24 hr)
• Date Format: YY-MM-DD-dd
• Interface: 3-Wire Serial
• Voltage - Supply: 1.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP
• Function: Clock/Calendar/Alarm/Battery Backup/Interrupt
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 1.3 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Rtc Bus Interface: Serial (3-Wire)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Rev.3.0
Correction of Nonexistent Data and End-of-Month
*1. In a 12-hour expression, Write the
*2. Processing of nonexistent data, regarding second data, is done by a carry pulse which is generated one sec after, after
When users write the real-time data, the S-35190A checks it. In case that the data is invalid, the S-35190A does the
following procedures.
1. Processing of nonexistent data
2. Correction of end-of-month
Year data
Month data
Day data
Day of the week data
Hour data
Minute data
Second data
A nonexistent day, such as February 30 and April 31, is set to the first day of the next month.
In 24-hour expression, the
able to read 0; 0 to 11, 1; 12 to 23.
Write. At this point the carry pulse is sent to the minute-counter.
_00
Register
*1
*2
24-hour
12-hour
AM
Normal Data
/
PM
Table 11 Processing of Nonexistent Data
00 to 99
01 to 12
01 to 31
00 to 59
00 to 59
0 to 23
0 to 11
0 to 6
AM
flag in the real-time data register is omitted. However in the flag in Read, users are
/
PM
Seiko Instruments Inc.
flag (B1 in hour data in the real-time data register).
24 to 29, 3X, XA to XF
00, 13 to 19, XA to XF
00, 32 to 39, XA to XF
XA to XF, AX to FX
12 to 20, XA to XF
60 to 79, XA to XF
60 to 79, XA to XF
Nonexistent Data
7
3-WIRE REAL-TIME CLOCK
Result
01
00
00
00
00
00
01
0
S-35190A
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