33
D-NF400/NF401
Pin No.
Pin Name
I/O
Description
55
CDON_O
O
CD on request signal output to the DTS micro controller
56
AUD_SEL
O
Audio data selection signal output to the input select
57
CHGGND_ON_O
O
Not used
58
BAT_VCC_ON_O
O
Not used
59
DTS_RST_O
O
Reset signal output to the DTS micro controller
60
XKRESET
O
Reset signal output to the MP3 decoder
61
XCS_O
O
P/S signal output to the LCD unit
62
GND
—
Ground terminal
63
XNMI_I
I
Not used
64
VCPU
—
Power supply terminal (+2.0V)
65
HP_LIN_SEL_I
I
Line/headphone out selection signal input terminal Not used
66
WAKEUP_K_O
O
Interrupt signal output to the MP3 decoder
67
EEP_CS_O
O
Chip select signal output to the EEPROM
68
TUON_I
I
Tuner on request signal input from the DTS micro controller
69
LCD_AO
O
AO signal output to the LCD unit
70
OPTPWRCTL_O
O
Not used
71
XRD_O
O
Read signal output to the LCD unit
72
XWR_O
O
Write signal output to the LCD unit
73
LCD-XRST_O
O
Reset signal output to the LCD unit
74
XLCD-BL_O
O
Not used
75
LED_DISP1_O
O
Not used
76
XLED_DISP2_O
O
Not used
77
PWRSW
I
Power on/off control signal output to the electrical volume
78
BOOT
I
Single boot setup terminal
79
XBATT_ICELL_I
I
Not used
80
NC
I
Not used
81
XCEX_I
I
Not used
82
XLCD-4LINE_I
I
Not used
83
MSCK0_O
O
Serial data transfer clock output to the CD DSP and power control
84
MSDTO0_O
O
Serial data output to the CD DSP and power control
85
MSDTI0_I
I
SENS signal input from the CD DSP
I
Sub-code sync (S0+S1) detect signal input from the CD DSP
O
Latch signal output to the CD DSP
O
Serial data output enable signal output to the CD DSP
—
Power supply terminal (+2.0V)
O
Data Latch signal output to the power control
—
Ground terminal
I
Battery voltage level monitor input terminal
I
Not used
94
AD-CHGSTMNT
I
Not used
95
AD-DCINMNT
I
DC IN voltage level monitor input terminal
96, 97
AD-KEY1,
AD-KEY2
I
Key input terminal
98
AD-KEY3
I
Key input terminal Not used
99
AD-RMKEY
I
Key input terminal Not used
100
VCPU
—
Power supply terminal (+2.0V)
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