Kenwood DDX8017 Service Manual page 24

DDX8017/8027/8027Y
DDX8037/8047/8067
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
48 DIR_CCLK
49,50 NC
51 ADC_RST
52 DIR_RST
53 DAC_RST
54 DSP_RST
55 DIR_CS
56 DAC_CS
57 DIR_ERRF
58 DSP_SS
59 ADC_MUTE
60 PORT/VDD1
61 DAC_MUTE
62~64 NC
65 BM_SW
66 DSP_INFO
67,68 NC
69 SYS_ON
70,71 XT2, XT1
72 GND2
73,74 X1, X2
75,76 NC
77 LX_RST
78 LX_MUTE
79 LX_REQ_M
80 LX_CON
81 LX_REQ_S
82 NC
83 TV_SREQ
84 TUN_SDA
85 NC
86 TUN_SCL
87,88 NC
89 PWIC_BEEP
90 SYS_MREQ
91 SYS_SREQ
92 PORTGND1
93 DAC_CLK
93 DSP_SCL
24
Module
I/O
(physical)
DSP BLOCK O Data clock for DIR
NC O
DSP BLOCK O Resetting for AD
DSP BLOCK O Resetting for DIR
DSP BLOCK O Resetting for DAC
DSP BLOCK O Resetting for DSP
DSP BLOCK O Chip select for DIR
DSP BLOCK O Chip select for DAC
DSP BLOCK I S/PDIF Unlock
DSP BLOCK O Select for DSP
DSP BLOCK O MUTE for AD
µCOM
DSP BLOCK O MUTE for DAC
NC O
DSP BLOCK O Bus management SW
DSP BLOCK I
NC O
ON/OFF control from system control µ-com
to X14 I
µCOM
µCOM
µCOM
NC
LX_M O Hard to resetting to slave unit
LX_M I Muting request from slave unit
LX_M O Communication request to slave unit
LX_M O Startup requests to slave unit
LX_M I Communication request from slave unit
NC O
TV I Request from TV unit
FST I/O F/E I2C data input/output terminal
NC O
FST I/O F/E I2C clock output terminal
NC O
POWER-IC O Beep output
Request from system control µ-com
to X14 I
Request to system control µ-com
to X14 O
µCOM
DSP BLOCK O Communication clock for DAC
DSP BLOCK O Communication clock for DSP
Truth Value
Application
Table
Processing Operation Description
L: Reset
L: Reset
L: Reset
L: Reset
L: Select
L: Select
H: Error, L: No Error
L: Select
L: MUTE ON, H: MUTE OFF
L: MUTE ON, H: MUTE OFF
H: BM ON, L: BM OFF
H: Box unit ON, L: Box unit OFF
H: Reset, L: Normal
H: Mute ON, L: Mute OFF
H: Slave unit ON, L: Slave unit OFF
(MAX 400kHz)