upd178016 Renesas Electronics Corporation., upd178016 Datasheet - Page 8

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

1. PIN FUNCTIONS
8
Pin No.
1
2
3
4
5
6
7
8
SMT_A/B
SMT_B/C
S • METER Signal meter signal
SD
STEREO
AMS_IN
AMS_SW
STOP_SW STOP switch signal
Symbol
Signal meter reading
range input
input
SD signal input
Stereo signal input
Audio signal input
AMS switch signal
input
input
Pin name
Pins used for setting the signal meter voltage ranges used to
determine the condition for starting an AF operation. Input analog
voltages according to the characteristics of the tuner being used
(See (1) in Section 3.1.5).
Input pin for signal meter signal.
Input an analog signal in accordance with the received signal
strength. This pin is used to monitor the conditions controlling AF
switching.
Input pin for the station detection signal.
Input the signal as indicated in the table below.
Input pin for the stereo broadcast signal.
This pin is valid for the FM band only.
Input the signal as indicated in the table below.
Pin indicating input of the audio signal from the logic tape deck.
Input the signal as indicated in the table below.
Input pin for logic tape deck state.
Input the signal as indicated in the table below.
Input pin of logic tape deck state.
Input the signal as indicated in the table below.
STOP_SW pin
AMS_SW pin
STEREO pin
AMS_IN pin
SD pin
0
1
0
1
0
1
0
1
0
1
Station detected
Station not detected
Stereo broadcast
Mono broadcast
Audio signal not input
Audio signal input
AMS mode
Other than AMS mode
FF/REW
PLAY
Description
Description
Description
Description
Description
Description
(0: Low, 1: High)
(0: Low, 1: High)
(0: Low, 1: High)
(0: Low, 1: High)
(0: Low, 1: High)
PD178016GC-051
Analog
input
Analog
input
Input
Input
Input
Input
Input
I/O type