IC DESCRIPTION
IC, TMP04CH00F350
Pin No.Pin NameI/ODescription
1V1ORegulator-2 output.
2, 3C1, C2NCapacitor terminal for LCD step-up voltage.
4VSSNPower supply (�).
5VXTORegulator-1 output (It is outputted in 3.0 V type only).
6BRESETIReset input (active at low).
7XLINITerminal to which external crystal for low speed oscillation is connected.
8XLOUTO
9VDDNPower supply (+).
10XHINITerminal to which external crystal/resistor for high-speed oscillation is connected.
11XHOUTO
12TESTITEST input.
13BUZZER OUTOOutputs the buzzer signal when it reaches the alarm time.
14BUCK UPIH: Normal state L: Backup mode (Power off state). See Note.
15JOG IN1I
Modification of the time shall be made by the JOG spec.
16JOG IN2I
17FAST KEYIH: JOG UP/DOWN is set to 10 minutes by one click.
L: JOG UP/DOWN is set to 1 minute by one click.
18SET KEYISets the time, cancels the alarm and starts the date setting mode.
19SLEEP KEYIUsed to set the sleep setting and to check the remaining time.
20SNOOZE KEYICancels the alarm by every 5 minutes and cancels sleep.
Sets and cancels the summertime. And toggles between the alarm display and date
21DAY KEYI
display.
22ALARM IN 1IH: When the ALARM mode switch is in the 1, or 1 + 2.
L: When the ALARM mode switch is in the 2.
23ALARM IN 2IH: When the ALARM mode switch is in the 1 + 2 or 2.
L: When the ALARM mode switch is in the 1.
24ALARM IN 3IH: When the POWER switch is in ALARM.
L: When the POWER switch is in ON or STANDBY.
H: When the ALARM function switch is in the BUZZER position.
25ALARM IN 4IL: When the ALARM function switch is in the RADIO position.
26POWER ONIRecognizes the POWER (RADIO) ON/OFF.
27POWER OUTOH: RADIO output. L: STANDBY state.
When any key input (short pressing) is present, OH� is outputted for 5 seconds. Or OH�
28ELO
is continuously outputted when the SNOOZE key is pressed for a long time.
2924H INIH: 24H. L: 12H.
30-89S1-S60OLCD segment output.
90-97COM1-COM8OLCD common output.
98-100V4-V2OStepped-up voltage output.
Note: In the BACKUP mode, the present time and the ALARM time setup are kept alive while the other functions are turned off (LCD is
also turned off).
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