Microcomputer's Terminal Description - Kenwood DDX6034 Service Manual

DDX6034/6034M/6054/7034BT/7034BTM/714
DNX7000EX/7140/7240BT/7340BT

MICROCOMPUTER'S TERMINAL DESCRIPTION

● MICROCONTROLLER IC 30878MJBA35GP (X15- : IC201)
Pin No. Pin Name
EVOL_SDA/
1
EVOL_SDA
EVOL_SDA/
1
AVSEL_SDA
EVOL_SDA/
1
ROM_CORR_SDA
EVOL_SDA/
1
ROM_CORR_SDA
2 R_DATA
3 R_QUAL
4 VSYNC_DET
DSP_SDA/
5
DSP_SO/DSP_SO
DSP_SDA/DSP_SO/
5
CODEC_SO
DSP_SDA/
5
DSP_SO/DSP_SDA
DSP_SCL/
6
DSP_SI/DSP_SI
DSP_SCL/DSP_SI/
6
CODEC_SI
DSP_SCL/DSP_SI/
6
DSP_SCL
NC/DSP_CLK/
7
DSP_CLK
7 NC/DSP_CLK/NC
NC/CODEC_ERR/
8
CODEC_ERR
NC/CODEC_ERR/
8
NC
9 SRC
10 TV_SC_REQ
11 VP_SYNC
12 PWIC_STBY
13 TYPE_KAB
14 PWIC_MUTE
15 BYTE
16 CNVSS
17 XCIN
18 XCOUT
19 RESET
20 XOUT
21 VSS
8
I/O Application
I/O Communication data with E-VOL
I/O Communication data with AVSEL
I/O Communication data with E2P
I/O Communication data with E2P (ROMCORRE)
I "DATA" input from RDS decoder
I "QUAL" input from RDS decoder
I Detection of video external input
8 functions:
O
Communication data output with Full DSP
8 functions:
O
CODEC Communication data output
7 functions:
I/O
Communication data with simplifi ed DSP
8 functions:
I
Communication data input with Full DSP
8 functions:
I
CODEC Communication data input
7 functions:
O
Communication data with simplifi ed DSP
8 functions:
O
Communication CLK with DSP/CODEC
6, 7 functions:
O
Not used. Output is fi xed to L
8 functions:
I
CODEC error input
6, 7 functions: Not used.
O
Output is fi xed to L
I Source key
I Request from TV μ-com
Frequency control of X35_DC-DC_IC
O
(CLK output)
O Power IC standby
Terminal used to detect if the product destina-
I
tion needs KAB or not.
O Output mute control of power IC
Truth Value
Processing/Operation/Description
Table
Detect if VSYNC exists or not.
Output is fi xed to L in the product whose desti-
nation does not need DSP.
Output is fi xed to L in the product whose desti-
nation does not need DSP.
Not used. Output is fi xed to L
L: When error is detected.
Not used. Output is fi xed to L
L: When pressing of Key detected.
Output is fi xed to L in the product whose desti-
nation does not need TV.
DUTY5%
H: POW_IC ON, L: POW_IC OFF
q H: KAB is needed, L: KAB is not needed
H: OFF, L: ON