Kenwood KDC-W4031 [6/38] Microcomputer s terminal description

KDC-W4031/W4031Y/W409/W409Y

KDC-W431GY/W4531/W4531Y/WF431A

Pin No.

Active

Pin Name I/O Application Processing Operation

(H/L)

48 CD LOEJ I/O CD motor control

Refer to “CD MECHA CONTROL OPERATION”

on the TRUTH TABLE

49 CD MOTOR O CD motor control

Refer to “CD MECHA CONTROL OPERATION”

on the TRUTH TABLE

50 NC -

51 L CD MRST O CD mecha µ-com reset H : Normal condition, L : Reset

52 CD SCL I/O CD mecha I2C clock output

53 CD DISC12 SW I 12cm CD detection

54 CD LOS SW I CD loading detection

55 CD SDA I/O CD mecha I2C data input and output

56 OEM DISP CE I/O External display chip enable External display

57 OEM DISP CLK I/O External display clock External display

58 OEM DISP DATA I/O External display chip data External display

59 DSI O DSI control DSI ON : H, DSI OFF : L, TDF DET=H (DSI blinks)

60 L RESET I

61 NC -

62 L PON FL O VFD power supply ON

VFD ON : H, VFD OFF : L

TDF DET H (DSI blinks) : L, TDF DET L : H

63 KEY REQ I Communication request from VFD driver L : Key input

64 RDS CLK I RDS decoder clock input

65 REMOTE I Remote control input

66 LX REQ S I Communication request from slave unit

67 VSS0 -

68 VDD1 -

69 X2 -

70 X1 -

71 TEST -

72 XT2 -

73 XT1 -

74 VDD0 -

75 AVDD -

76~78 TYPE 3~TYPE 1 I Destination switch

79 RDS NOISE I Tuner quality (Noise) input

80 TUN SMETER I Tuner S-meter input

MICROCOMPUTER’S TERMINAL DESCRIPTION