upd178016 Renesas Electronics Corporation., upd178016 Datasheet - Page 21

• Manufacturer Part Number: upd178016
• Description: 8-bit Single-chip Microcontroller
• Manufacturer: Renesas Electronics Corporation.

CLK24
CTADJ
CTOFF
DEV_SEL
Initial setting
diode
This switch is used to select 12-hour or 24-hour clock display.
Set this switch as indicated in the following table.
This switch is used to select whether the clock is adjusted according to RDS data.
The clock is not adjusted during power off.
When no-clock mode is selected (initial setting diode NOCLK = 1), this setting is invalid.
Set this switch as indicated in the following table.
This switch is used to select how the clock operates in power-off mode.
When no-clock mode is selected (initial setting diode NOCLK = 1), this setting is invalid.
Set this switch as indicated in the following table.
This switch is used to select whether the DEV_LEVEL pin (pin 66) is referenced during AF operation.
Set this switch as indicated in the following table.
(0: Open, 1: Jumpered)
(0: Open, 1: Jumpered)
(0: Open, 1: Jumpered)
(0: Open, 1: Jumpered)
DEV_SEL
CTOFF
CTADJ
CLK24
0
1
0
1
0
1
0
1
12-hour clock display (with “AM” or “PM” displayed)
24-hour clock display
Does not adjust the clock with RDS data.
The clock must be adjusted by the user.
Adjusts the clock according to the RDS data.
The clock cannot be adjusted by the user.
The clock does not operate until the RDS data is input.
Operates normally.
Stops operation.
Initializes the clock.
The clock can be backed (with low current consumption) when a low level signal is
input to the ACC or BATT pin.
Not referenced.
Referenced.
Adjusting clock with RDS data
Description
DEV_LEVEL pin
Clock operation
Hour display
PD178016GC-051
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