Kenwood FZDA07ELEF2 Service Manual page 21

MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name I/O
I2C communication clock of TV (Japan)
44 TV_SCL I/O
Shared with EVOL_SCL
45 TV_ST_DET I TV stereo detection
45 NC O Not used (Other country than Japan)
46 TV_BL_DET I Detection of main/sub of TV (input)
46 NC O Not used (Other country than Japan)
47 TV_SD I Detection of station in TV
47 NC O Not used (Other country than Japan)
48 TV_SYNC_DET I Detection of TV receive synchronization
48 NC O Not used (Other country than Japan)
Detection of TV source connection (Source can be
49 TV_ANT_DET I or cannot be selected depending on if there is TV
antenna or not)
49 NC O Not used (Other country than Japan)
CODEC serial data input
50 CODEC_DI I
* Shared with DIR2_DI
DIR2 serial data input (Japan/HDD ripping)
50 DIR2_DI I
Pin shared with DIR1
CODEC serial data output
51 CODEC_DO O
* Shared with DIR2_DO
DIR2 serial data output (Japan/HDD ripping)
51 DIR2_DO O
Pin shared with DIR1
CODEC serial clock
52 CODEC_SCLK O
* Shared with DIR2_CLK
DIR2 serial clock (Japan/HDD ripping)
52 DIR2_CLK O
Pin shared with DIR1
53 SA_DATA_S I Data input from system µ-com
54 SA_DATA_A O Data output to system µ-com
55 SA_CLK I CLK input from system µ-com
Momentary power down notifi cation from system
56 SA_BU_S I
µ-com
57 SA_ACC_S I ACC notifi cation from system µ-com
58 SA_REQ_S I REQ request from system µ-com
59 TV_ON O TV power supply control (Japan)
59 NC O Not used (Other country than Japan)
60 TV_MAIN_SUB O TV main/sub control (Output) (Japan)
60 NC O Not used (Other country than Japan)
61 TYPE2 I Destination information
62 TYPE3 I Destination information
63 TUN_ANTC O Radio antenna control (ON/OFF of protection circuit)
Application
FZDA07ELEF2/EREF2/MRHF2
Truth Value
Processing Operation Description
Table
H (Hi-z): During no communication,
Communication speed is 328kHz
H: Stereo, L: Other than the above
Output is fi xed to L, Terminal OPEN
H: Bilingual, L: Other than the above
Output is fi xed to L, Terminal OPEN
H: TV signal is found, L: TV signal is not found
Output is fi xed to L, Terminal OPEN
H: Synchronized, L: Not synchronized
Output is fi xed to L, Terminal OPEN
H: One or more antenna is connected
L: Any one of 4 antennas is not connected
Output is fi xed to L, Terminal OPEN
Input (H): During no communication,
Communication speed is 3.93MHz
Input (H): During no communication,
Communication speed is 3.93MHz
H: During no communication,
Communication speed is 3.93MHz
H: During no communication,
Communication speed is 3.93MHz
H: During no communication,
Communication speed is 3.93MHz
H: During no communication,
Communication speed is 3.93MHz
Input (H): During no communication,
Communication speed is about 500kHz
H: During no communication,
Communication speed is about 500kHz
Input (H): During no communication,
Communication speed is about 500kHz
H: When the momentary power down is
detected, L: Normally
L: ACC-ON, H: ACC-OFF
H: When there is a request, L: Normally fi xed to L
H: TV power ON, L: TV power OFF
Output is fi xed to L, Terminal OPEN
H: Main voice, L: Sub voice, H: For other
broadcasting than the bilingual broadcasting,
Don't care: When other source is used
Output is fi xed to L, Terminal OPEN
q
Refer to the True Value Table for the details
q
Refer to the True Value Table for the details
H (Protection ON): ACC ON, L: Other
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