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KRC-578R/RY,680R
MICROCOMPUTER'S TERMINAL DESCRIPTION
784217AGF503(504)(IC1 : MAIN UNIT)
Pin
Pin Name
51
AVdd
52
AVref0
53
P10/ANI0
54
P11/ANI1
55
P12/ANI2
56
P13/ANI3
57
P14/ANI4
58
P15/ANI5
59
P16/ANI6
60
P17/ANI7
61
AVss
62
P130/ANO0
63
P131/ANO1
64
AVref1
65
P70/RxD2/SI2
66
P71/TxD2/SO2
67
P72/ASCK2/SCK2 CH_CLK
68
P20/RxD1/SI1
69
P21/TxD1/SO1
70
P22/ASCK1/SCK1 LCD_CLK
71
P23/PCL
72
P24/BUZ
73
P25/SI0
74
P26/SO0
75
P27/SCK0
76
P80/A0
77
P81/A1
78
P82/A2
79
P83/A3
80
P84/A4
81
P85/A5
82
P86/A6
83
P87/A7
84
P40/AD0
85
P41/AD1
86
P42/AD2
87
P43/AD3
88
P44/AD4
89
P45/AD5
90
P46/AD6
91
P47/AD7
92
P50/A8
93
P51/A9
94
P52/A10
95
P53/A11
96
P54/A12
97
P55/A13
98
P56/A14
99
P57/A15
100
Vss
4
Signal Name I/O
-
A/D analog power pin
-
A/D reference voltage input pin
PHONE
I
PHONE detection input
NC
I
Not used
NOISE
I
FM noise detection input
S-METER
I
FM S-meter input
NC
I
Not used
NC
I
Not used
REEL_S
I
C-mechanism supply reel detection
REEL_T
I
C-mechanism take-up reel detection
-
A/D and D/A GND pin
NC
O Not used
NC
O Not used
-
D/A reference voltage input pin
CH_DATAC
I
Data input from CD-CH
CH-DATAH
O Data output to CD-CH
I/O CD-CH clock input/output
LCD_DATAL
I
Data input to LCD driver
LCD_DATAS O Data output from LCD driver
O Clock output to LCD driver
NC
O Not used
BEEP
O Beep output
NC
O Not used
PNL_DET1
I
Panel detection
NC
O Not used
LCD_INH
O Reset output to LCD driver
LCD_CE
O CE output to LCD driver
SRT_SW1
I
SRT position detection input
SRT_SW2
I
SRT position detection input
NC
O Not used
NC
O Not used
NC
O Not used
C-MSC
O EQ amp FF/PLAY control
C-F/R
O Tape transport direction switching
C-MUTE
O Tape muting control
C-MS_IN
I
Inter-music pulse detection
C-MTL
O MTL ON/OFF control
C-NR
O Dolby ON/OFF control
NC
O Not used
NC
O Not used
RDS_DATA
I
Data input from RDS decoder
RDS_QUAL
I
Quality input from RDS decoder
AFC
O PLL high-speed lock-up pin
FM/AM_SD
I
FM/AM SD input
IF_COUNT
I
Not used
NC
O Not used
AM+B
O AM power control
FM+B
O FM power control
NC
O Not used
-
GND pin
Purpose
<1 V: PHONE. >
2.5 V: Navigation muting.
PLAY:HI OFF:LO
FWD:LO REV:HI
MUTE:HI
ON:HI OFF:LO
ON:HI OFF:LO
During reception: Hi.
During search: Lo.
Station detected: Hi.
ON:HI
ON:HI
Operation Description
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