Kenwood DDX6019 Service Manual page 14

DDX6019/6029/6029Y/6039
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
64 AUD_MUTEA
65 AUD_MUTEB
66 AUD_MUTEC
AUD_SDA/
67
A_RCORR_SDA
67 AUD_SDA/AUD_SDA
AUD_SCL/
68
A_RCORR_SCL
68 AUD_SCL/AUD_SCL
69 A_PON
70 NC
71 AVDD
72 AVSS
73 AVREF
74 LINE_MUTE
75 A_WRT_E2P
76 A_TYPE0
77 A_TYPE1
78 A_TYPE2
79 A_TYPE3
80 PWIC_DCDET
81 TUN_SMET
82 TUN_IFC
83 R_QUAL
84 R_DATA
85 R_NOISE
86 R_AFS_H/R_AFS_H
87 R_CLK/R_CLK
88 A_BU_DET
89 SYS_ON
90 TV_SC_REQ
91 M_MUTE
92 LX_REQ_S/LX_REQ_S
92 LX_REQ_S/NC
93 NC
TV_SC_DATA/
94
TV_SC_DATA
TV_MC_DATA/
95
S_TV_MC_DATA
96 TV_BP_CLK/TV_BP_CLK
97 LX_DATA_S/LX_DATA_M
98 LX_DATA_M/LX_DATA_M
14
I/O Application
O E-VOL inputSEL_A MUTE
O E-VOL inputSEL_B MUTE
O E-VOL inputSEL_C MUTE
ROM correction E2PROM communication
I/O
data input/output
I/O E-VOL data output
ROM correction E2PROM communication
O
clock input/output
O E-VOL clock output
O SW5V ON/OFF
O NC
I LINE-MUTE input detection
I Used when writing E2PROM
I Destination determination
I Destination determination
I Destination determination
I Destination determination
I SP_FR output DC offset detection
I S meter input
I F/E IFC OUT input terminal
I RDS decoder QUAL input terminal
I RDS decoder DATA input terminal
I FM noise detection terminal
I/O Switching constant when noise detected
I RDS decoder CLK input terminal
I BU reduced voltage detection
I SYS_COM communication control input
I Communication request from TV_COM
I MUTE request from system -com
I Communication request from slave unit
O
O
I DATA input from TV_COM
O DATA output to TV_COM
O CLK output to TV_COM
I Data from slave unit
O Data to slave unit
Truth
Processing Operation Description
value table
L: MUTE ON, H: MUTE OFF
L: MUTE ON, H: MUTE OFF
L: MUTE ON, H: MUTE OFF
H: Output only when in RESET sequence
L: Other output
L fixed
Normal: 1.6V, TEL MUTE: 1V or lower,
NAVI MUTE: 2.5V or higher
H: When writing E2PROM
q
Refer to the truth value table
q
Refer to the truth value table
q
Refer to the truth value table
q
Refer to the truth value table
L: When detected
H: Station found, L: Station not found
H: Reduced voltage detection
H: Start up request from AUDIO -com
L: MUTE request
Fixed to L only when CH
L fixed