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參數(shù)資料
| 型號： | RS5C321A |
| 廠商： | RICOH COMPANY LTD |
| 元件分類： | XO, clock |
| 英文描述： | ULTRA-COMPACT SERIAL REAL-TIME CLOCK ICs WITH 32.768kHz |
| 中文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO8 |
| 封裝： | 0.65 MM PITCH, SSOP-8 |
| 文件頁數(shù)： | 11/33頁 |
| 文件大?。?/td> | 252K |
| 代理商： | RS5C321A |
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RS5C321A/B
7
FUNCTIONAL DESCRIPTIONS
1. Addressing
Address
Registers
Data *
1
A3
A2
A1
A0
D3
D2
D1
D0
0
0
0
0
0
1-second counter
(BANK=0)
S
8
S
4
S
2
S
1
1
0
0
0
1
10-second counter
(BANK=0)
—*
2
S
40
S
20
S
10
2
0
0
1
0
1-minute counter
(BANK=0)
M
8
M
4
M
2
M
1
3
0
0
1
1
10-minute counter
(BANK=0)
—
M
40
M
20
M
10
4
0
1
0
0
1-hour counter
(BANK=0)
H
8
H
4
H
2
H
1
5
0
1
0
1
10-hour counter
(BANK=0)
—
—
P/A, H
20
H
10
6
0
1
1
0
Day of the week counter
(BANK=0)
—
W
4
W
2
W
1
7
0
1
1
1
Scratch register*
8
(BANK=0, 1)
Scratch*
8
Scratch*
8
Scratch*
8
Scratch*
8
8
1
0
0
0
1-day counter
(BANK=0)
D
8
D
4
D
2
D
1
9
1
0
0
1
10-day counter
(BANK=0)
—
—
D
20
D
10
A
1
0
1
0
1-month counter
(BANK=0)
MO
8
MO
4
MO
2
MO
1
32kHz clock pulse control register
(BANK=1)
—
—
—
CLEN*
7
B
1
0
1
1
10-month counter
(BANK=0)
—
—
—
MO
10
C
1
1
0
0
1-year counter
(BANK=0)
Y
8
Y
4
Y
2
Y
1
D
1
1
0
1
10-year counter
(BANK=0)
Y
80
Y
40
Y
20
Y
10
E
1
1
1
0
Control register 1
(BANK=0, 1)
—
—
WTEN
*
6
/XSTP
*
4
ADJ/BSY *
3
F
1
1
1
1
Control register 2
(BANK=0, 1)
12/24
—
BANK *
5
TEST *
6
*
1) All the listed data can be read and written.
*
2) The “—” mark indicates data which can be read only and set to “0” when read.
*
3) The ADJ/BSY bit of the control register is set to ADJ for write operation and BSY for read operation.
*
4) The WTEN/XSTP bit of the control register is set to WTEN for write operation and XSTP for read operation.
*
5) The clock/calendar counter and the 32kHz clock pulse control register can be selected when the BANK=0 and BANK=1 respectively. To designate
the BANK is unnecessary for scratch register and control register 1/2.
*
6) The WTEN bit and TEST bit are set to “1” when CE is “L”.
*
7) The CLEN bit is set to 0, when initial power-on or XSTP is set to 1.
*
8) Data may be written and read into/from the Scratch register, which actually is not used.
相關(guān)PDF資料 |
PDF描述 |
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| RS5C321B | ULTRA-COMPACT SERIAL REAL-TIME CLOCK ICs WITH 32.768kHz |
| RS5C338A-E2 | DIODE ZENER SINGLE 500mW 2.4Vz 0.05mA-Izt 0.05 2uA-Ir 1 SOD-123 3K/REEL |
| RS5C338A | 3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION |
| RS5C348A-E2 | Real-Time Clock |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| RS5C321A/B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:real-time clock ICs |
| RS5C321B | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:ULTRA-COMPACT SERIAL REAL-TIME CLOCK ICs WITH 32.768kHz |
| RS5C338A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION |
| RS5C338A-E2 | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:3-WIRE SERIAL INTERFACE REAL-TIME CLOCK ICs WITH VOLTAGE MONITORING FUNCTION |
| RS5C348A | 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:4-WIRE SERIAL INTERFACE |
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