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DPX304/DPX308U/DPX404U
DPX-MP3120/U5120/U5120S
MICROCOMPUTER’S TERMINAL DESCRIPTION
●
SYSTEM
μ
-COM R5F3650KDFB (X34-700: IC301)
Pin No.
Pin Name
I/O
Application
Truth Value
Table
Processing Operation Description
1
REMO
I
Remote controller input (INFRARED, WIRED)
Pulse width detection
2~5
NC
O
Not used
Output L
fi
xed
6
BYTE
-
7
CNVSS
-
Software writing-in mode control
e
8
XCIN
-
Sub-clock OSC_in
32.768kHz
9
XCOUT
-
Sub-clock OSC_out
32.768kHz
10
RESET
-
11
XOUT
-
Main-clock OSC_out
12MHz
12
VSS
-
13
XIN
-
Main-clock OSC_in
12MHz
14
VCC1
-
15
NC (NMI)
O
Output L
fi
xed
16
ROTARY_CCW
I
VOL encoder input
Pulse width detection
17
ROTARY_CW
I
VOL encoder input
Pulse width detection
18
NC
O
Not used
Output L
fi
xed
19
LCD_RESET
O
LCD_RESET
H: Normal, L: RST
20
LED_LCD_BLUE
O
Vari_Blue_LCD_PWM output
H: ON, L: OFF, PWM frequency: 23kHz
21
NC
O
Not used
Output L
fi
xed
22
LED_LCD_GREEN
O
Vari_Green_LCD_PWM output
H: ON, L: OFF, PWM frequency: 23kHz
23
NC
O
Not used
Output L
fi
xed
24
LED_LCD_RED
O
Vari_Red_LCD_PWM output
H: ON, L: OFF, PWM frequency: 23kHz
25
LCD_CE
I/O LCD control request
H: Data transmission enabled
26
PWIC_BEEP
O
BEEP output terminal
2kHz/1kHz
27
TUN_SCL
I/O TUNER_I2C clock I/O terminal
200kHz (Limitation of ATOMIC)
27
FLASH_SCL
I/O For Serial No/ ROM correction I2C clock
28
TUN_SDA
I/O TUNER_I2C data I/O terminal
200kHz (Limitation of ATOMIC)
28
FLASH_SDA
I/O For Serial No/ ROM correction I2C data
29
NC
O
Not used
Output L
fi
xed
29
TXD1
O
Data for system
μ
-com
→
writer
30
NC
O
Not used
Output L
fi
xed
30
RXD1
I
Data for writer
→
system
μ
-com
31
NC
O
Not used
Output L
fi
xed
31
CLK1
I
Clock for writer
→
system
μ
-com
32
NC
O
Not used
Output L
fi
xed
32
BUSY
O
BUSY for system
μ
-com
→
writer
33
LCD_SYS_DATA
O
Data for system
μ
-com
→
LCD
LCD data output
34
LCD_PAN_DATA
I
Data for LCD
→
system
μ
-com
LCD data input
35
LCD_CLK
O
LCD_CLK output
LCD clock output (125kHz)
(Maximum: 1.5625MHz)
36
CD_DISC12_SW
I
CD disc detection terminal (12cm)
L: 12cm disc
36
CD_DISK12_SW
I
CD disc detection terminal (12cm)
37
CD_LOE_LIM_SW
I
CD detection terminal (Chucking detection)
H: Loading completed, L: No disc
37
CD_LOELIM_SW
I
CD detection terminal (Chucking SW)
H: Loading completed, L: No disc
38
M_STOP
O
Mechanism stop terminal
H: Normal, L: Stop SOC