Kenwood DPX701 Service Manual page 14

DPX701/701U/701UY
DPX-MP7090U
MICROCOMPUTER'S TERMINAL DESCRIPTION
MECHANISM MICROCOMPUTER: M30620FCPGP (X32: IC1)
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
24 E2P SDA
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
14
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
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
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