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參數(shù)資料
| 型號(hào)： | RTC58321 |
| 廠商： | 愛普生（中國）有限公司 |
| 英文描述： | Real time clock module(4-bit I/O CONNECTION REAL TIME CLOCK MODULE) |
| 中文描述： | 實(shí)時(shí)時(shí)鐘模塊（4位I / O連接實(shí)時(shí)時(shí)鐘模塊） |
| 文件頁數(shù)： | 5/12頁 |
| 文件大小： | 188K |
| 代理商： | RTC58321 |
RTC-58321/58323
Page - 2
n
Block diagram
n
Pin functions
Pin numbers
Pin symbol
Input/output
Function
RTC-58321
RTC-58323
1
5
CS
2
Input
Chip select. When high, device can be accessed.
2
6
WRITE
Input
Set high to write.
3
7
READ
Input
Set high to read.
4 to 7
8 to 11
D
0
to D
3
Both
Address/data bus.
8
12
GND
Negative power supply.
9
13
ADDRESS
WRITE
Input
Address latch. Set high to latch address from D
0
to D
3
.
10
14
BUSY
Output
1 Hz output pin.
11
15
STOP
Input
1 Hz on/off control pin. When high, the 1 Hz signal is disabled, and
the counter stopped.
12
16
TEST
Input
Increment pin for the counter. Normally this pin should be fixed low.
13
17
CS
1
Input
Connect to power down detection circuit. (Fix high if there is no
power down detection circuit.) When CS
1
is low, chip cannot be
accessed, regardless of state of CS
2
.
*
1 to 4
NC
Fix low.
14 to 16
18 to 24
V
DD
Positive power supply (normally +5 V).
* A bypass capacitor (minimum 0.01
μ
F) must be connected between V
DD
and V
SS
, as close as possible.
Y10
Y1
Day-of week
1/7
1/Year
1/12
1/Day
1/Hours
Minutes
1/10|1/6
TEST
DATA BUS
ADWRITE
D
2
D
3
D
1
D
0
CS2
CS1
READ
WRITE
TEST
STOP
1
A
1'
A
BUSY
OSC
32.768 kHz
1Hz
1024Hz
BUSY
R
1/2
15
R
MO10
MO1
D10
D1
W
H10
H1
M110
M11
S10
R
1’
R
1’
R
1’
R
1’
R
1’
R
1’
R
1’
N
D
S1
S1
H1
H10
W
D1
M01
M010
Y1
Y10
D
E-F
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E-F
D
10’
D
11’
D
12’
D
13’
N
Rp = 200K
TYP
CONTROL
ALATCH
E, F
SWITCH
1024H
z
1/3600Hz
1/60Hz
1Hz
2
A
3
A
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| RTC-58321 | 制造商:EPSON 制造商全稱:EPSON 功能描述:Real time clock module(4-bit I/O CONNECTION REAL TIME CLOCK MODULE) |
| RTC58321A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Logic IC |
| RTC58321AA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Logic IC |
| RTC58321B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Logic IC |
| RTC58321-SERIES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC |
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