31
D-CS901
• MAIN Board IC801
µ
PD78F4216AY-MP1 (System Control)
Pin No.
1
2
3
4 to 8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
I/O
O
I
I
—
—
O
I
—
—
—
I
I
I
I
I
I
I
—
—
—
I
I
I
I
I
I
I
I
—
O
O
—
I
O
I
I
O
O
O
O
O
O
O
O
O
O
O
—
O
O
Pin Name
MP3STANDBY_O
XCEX_I
XLCD_TEST_I
NC
VDD
XTALO
XTALI
GND
NC
GND
RESET
DSP_SCOR_INT
DSP_GRSCOR_INT
OPENSW_INT
KEY1_INT
JOGKEY_INT
DCIN_INT
NC
VDD(AVDD)
VDD(AVREF0)
BATMNT_AD
CLVFB_I
CHGMNT_AD
KEY2_AD
KEY1_AD
JOGKEY_AD
DCINMNT_AD
VOLMNT_AD
GND(AVSS)
LASERAGCDAC_DA
CLVOUTPUT_O
VDD(AVREF1)
TSBDTI
TSBDTO
TSBSCK
DSP_SENS_I
DSP_SDTO_O
DSP_SCK_O
TSBCLK_O
BEEP_O
MP3_SDAO(I2C)_O
DSP_XSOE_O
MP3_SCLO(I2C)
XPOWLT_O
PWRSW_O
VOL_PWR_O
AMUTE_O
NC
DSP_XRST_O
WAKEUP_O
Description
Standby signal output to the MP3 decoder (IC701)
Version setting input “L” : AEP model
Test setting terminal for LCD test pattern
Not used (open)
Power supply
System clock output (8MHz)
System clock input (8MHz)
Ground
Not used (open)
Ground
Reset signal input
Sub code signal input
GR SCOR signal input
Open/close switch signal input
Key input detection signal input Not used (fixed at “H”)
Jog key input detection signal input
AC adaptor detection signal input
Not used (open)
Power supply
Power supply
Battery level detection input terminal
CLV error detection signal input
Battery level detection signal input during charging
Key input terminal
Key input terminal Not used
Jog key operation detection signal input
DC input voltage monitoring input
Volume (RV801) position detection signal input
Ground
PWM control signal output for laser power adjustment
CLV speed control signal output during sleep mode
Power supply
Not used (fixed at “L”)
Not used (open)
Not used (open)
SENS signal input
Serial data output to the DSP and power/driver IC
Serial data transfer clock signal output to the DSP and power/driver IC
Not used (open)
Beep signal output to the headphone amplifier
Serial data output to the MP3 decoder (IC701)
Data output request signal output to the DSP (IC601)
Serial clock signal output to the MP3 decoder (IC701)
Latch signal output to the power/driver IC
Headphone power on signal output
Volume control enable signal output (open)
Audio muting signal output
Not used (open)
Reset signal output to the DSP (IC601)
System main power turn on signal output
