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参数资料
| 型号： | RX-8581NB |
| 元件分类： | 时钟/数据恢复及定时提取 |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO22 |
| 封装： | SON-22 |
| 文件页数： | 6/32页 |
| 文件大小： | 399K |
| 代理商： | RX-8581NB |
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RX - 8581 SA / JE / NB
Page - 11
ETM13E-02
8.2.6. Clock counter (Reg - 0
2)
Address
Function
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
0
SEC
40
20
10
8
4
2
1
MIN
40
20
10
8
4
2
1
2
HOUR
20
10
8
4
2
1
) "o" indicates write-protected bits. A zero is always read from these bits.
The clock counter counts seconds, minutes, and hours.
The data format is BCD format. For example, when the "seconds" register value is "0101 1001" it indicates 59
seconds.
Note with caution that writing non-existent time data may interfere with normal operation of the clock counter.
1) Second counter
Address
Function
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
0
SEC
40
20
10
8
4
2
1
This second counter counts from "00" to "01," "02," and up to 59 seconds, after which it starts again from
00 seconds.
When data was written to seconds counter, the internal divider is reset from 2048Hz to 1Hz.
2) Minute counter
Address
Function
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
1
MIN
40
20
10
8
4
2
1
This minute counter counts from "00" to "01," "02," and up to 59 minutes, after which it starts again from
00 minutes.
3) Hour counter
Address
Function
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
2
HOUR
20
10
8
4
2
1
This hour counter counts from "00" hours to "01," "02," and up to 23 hours, after which it starts again from
00 hours.
8.2.7. Day counter (Reg - 3)
Address
Function
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
3
WEEK
6
5
4
3
2
1
0
) "o" indicates write-protected bits. A zero is always read from these bits.
The day (of the week) is indicated by 7 bits, bit 0 to bit 6.
The day data values are counted as: Day 01h
→ Day 02h → Day 04h → Day 08h → Day 10h → Day
20h
→ Day 40h → Day 01h → Day 02h, etc.
The correspondence between days and count values is shown below.
WEEK
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
Day
Data [h]
0
1
Sunday
01 h
0
1
0
Monday
02 h
0
1
0
Tuesday
04 h
0
1
0
Wednesday
08 h
0
1
0
Thursday
10 h
0
1
0
Friday
20 h
Write/Read
0
1
0
Saturday
40 h
Write prohibit
Do not set "1" to more than one day at the same time.
Also, note with caution that any setting other than the
seven shown above should not be made as it may
interfere with normal operation.
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PDF描述 |
|---|---|
| RX-8581NBB | REAL TIME CLOCK, PDSO20 |
| S-3510ACFJA-TB | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
| S-3510ADFJ | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
| S-3510AEFJ | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
| S-3511AECAG | REAL TIME CLOCK, UUC8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| RX-8581SA | 制造商:Epson Toyocom Corporation 功能描述:32.768kHz 0.45uA@3V(Typ.) 1.8 to 5.5V 10.1~5.0~3.2mm +85 -40 5}23ppm@+25/3.0V I2C-BusVAC^[tFCX 10.1mm 5mm 3.2mm 制造商:Epson Toyocom 功能描述:RTC module,I2C Bus,High quality,SOP14 |
| RX-8581SA B3 | 制造商:Epson Electronics America Inc 功能描述:Real Time Clock Serial 14-Pin SOP T/R 制造商:Epson 功能描述:Real Time Clock Serial 14-Pin SOP T/R |
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