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LM8562 Datasheet(PDF) 4 Page - Sanyo Semicon Device

Part No. LM8562
Description  Digital Alarm Clock
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Maker  SANYO [Sanyo Semicon Device]
Homepage  http://www.ssdc-jp.com/eng/
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 4 page
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4.
Output Pins
No.
Pin Name
Drive Phase
12
1
AM & 10’SHR ag & de
AM 10’SHR ad
10’SHR eg
2
PM & 10’SHR b
PM
10’SHR b
3
10’SHRc&HRe
HR e
10’SHR c
4
HRb&g
HR g
HRb
5
HRc&d
HR d
HRc
6
HRa&f
HR f
HRa
7
10’SMINa&f
10’SMIN a
10’SMIN f
8
10’SMINb&g
10’SMIN b
10’SMIN g
9
10’SMINc&d
10’SMIN c
10’SMIN d
10
10’SMIN e & MIN e
MIN e
10’SMIN e
11
MINb&g
MIN g
MIN b
12
MINc&d
MIN d
MIN c
13
MINa&f
MIN f
MIN a
14
COLON OUTPUT
COLON
Display Mode
Select Pin
Display Mode
Digit No.
ALM-DISP SELECT
SLEEP/SNOOZE INPUT
1234
OPEN
OPEN
Time display
AM/PM
10’s hour
Hour
10’s
minutes
Minutes
VDD
OPEN
Alarm 1
AM/PM
10’s hour
Hour
10’s
minutes
Minutes
VSS
OPEN
Alarm 2
AM/PM
10’s hour
Hour
10’s
minutes
Minutes
OPEN (VDD,VSS)VSS
Sleep
Unlit
0
10’s
minutes
Minutes
OPEN (VDD,VSS)VDD
second display
Unlit
Minutes
10’s
seconds
Seconds
Operation Description
1.
Segment Output
The duplex LED panel can be direct driven by 13 segment output pins.
(Compatible with LM8560-use LED panel)
2.
Colon Output
LED panel
The drive phase is phase 1. The colon always flashes at 1 Hz rate.
3.
OSC Circuit
By connecting a resistor and a capacitor with the CR INPUT pin, a 2.4 kHz OSC circuit is formed. The clock signal
generated by the 2.4 kHz OSC circuit is used in the following cases.
(1) Used as the clock signal for the time counter, instead of 50/60 Hz INPUT, when the power-down mode is entered.
(2) Alarm sound (1200 Hz or 600 Hz) at the alarm signal output mode
(3) 1/25 duty clock signal while the dimmer is in operation
4.
Power-Down Mode
(1) Since the backup OSC circuit holds the current time, the LM8562 starts operating immediately.
(2) The snooze function stops operating.
(3) The RADIO OUTPUT pin is brought to the OFF state.
(4) The control input is inhibited (except the following).
.
OFF INPUT
.
ALARM/SLEEP TIME SET INPUT at the time setting enable mode
Colon
LM8562
No.2658-4/7




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