Mechanism Μ-Com: Ic1 (X32-: Cd Player Unit) - Kenwood KDC-MP632U Service Manual

QQ
MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
MECHANISM µ-COM: IC1 (X32-: CD PLAYER UNIT)
Pin No. Pin Name
1~5 NC
6 BYTE
7 CNVSS
8 MUTE
9 NC
10 RESET
11 XOUT
12 VSS
13 XIN
14 VCC1
15 NMI
16 MSTOP
17 NC
18 DSP INT
19~22 NC
23 E2P SCL
TE
24 E2P SDA
L 13942296513
25,26 NC
27 SCL
28 SDA
29 DSP TXD
30 DSP RXD
31 DSP CLK
32 DSP STB(BUSY)
33 CS SDATA
34 CS BDATA
35 CS CLK
36~38 NC
39 EPM
40 PON D3.3
41 PON A5
42 PON CS1
43 PON CS2
44 CE
45 DRV MUTE
46,47 NC
www
48 ZERO M
49 DE-EMPHASIS
50,51 NC .
52 LIM SW
I/O Application
- Not used
I External data bus SW input
I Processor mode SW
O Audio mute control
- Not used
I Reset detection
O Main clock output
- Power supply input
I Main clock input
- Power supply input
I NMI interruption input
I STANDBY comeback interrupption
- Not used
I DSP interruption signal input
- Not used
I/O E2P I2C clock output
I/O E2P I2C data input and output
- Not used
System µ-com I2C clock input
I
System µ-com I2C data input and output
I/O
O Data output for DSP serial data
I Data input for DSP serial data
O Clock output for DSP serial data
O DSP data strove signal output
O Data output for decoder serial data
I Data input for decoder serial data
O Clock output for decoder serial data
- Not used
- Not used (Flash ROM: EPM)
O D3.3V POWER ON control
O A5.0V POWER ON control
O IC15 series 3.3V POWER ON control
O IC15 series 1.8V POWER ON control
- Not used (Flash ROM: CE)
O Driver mute
- Not used
I 0-bit mute detection
x ao u163
y
O DAC de-emphasis control
- i Not used
Laser pick-up inner circumference detection
I
SW signal input
KDC-MP632U
KDC-W6534U/UY/X590/X7533U
2 9
8
Processing / Operation / Description
Opened output L fixed
Connects to GND
L: Single chip mode
H: Microprocessor mode or flash ROM writing
L: Mute ON, H: Mute OFF
Opened output L fixed
L: Reset (Flash ROM writing), H: Normal
Connects to resonator
Connects to GND
Connects to resonator
Connects to BU3.3V
Input Hi (Pull-up) fixed
L: Stop, H: Stop cancelled (Hi edge)
Opened output L fixed
H: Interruption (Hi edge)
Opened output L fixed
Series resistors and E2PROM are not built when
ROM collection is not used.
Series resistors and E2PROM are not built when
Q Q
3 6 7 1 3 1 5
ROM collection is not used.
Opened output L fixed
Flash ROM writing: TXD (Pull-up)
Flash ROM writing: RXD
Flash ROM writing: SCLK(Pull-up)
Flash ROM writing: BUSY
Opened output L fixed
Opened output L fixed
H: POWER ON, L: POWER OFF
H: POWER ON, L: POWER OFF
H: POWER ON, L: POWER OFF
H: POWER ON, L: POWER OFF
Opened output L fixed
L: Stop, H: Mute OFF
Opened output L fixed
H: Mute ON, L: Mute OFF
(No distinction of Lch/Rch)
co
H: De-emphasis ON, L: De-emphasis OFF
. Opened output L fixed
H: Inner circumference
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9
9