13
D-NE509
• IC801 TMP91CW28FG (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
1
GND
—
Ground
2
GND
—
Ground
3
VCPU
—
Power supply (+2.0 V)
4
XRST_O
O
System reset signal output
5
PWM_O
O
Not used (open)
6
BEEP_O
O
Beep signal output
7
AMUTE_O
O
Mute signal output to CXD3048
8
LINEOUT_I
I
Not used (open)
9
OPTOUT_I
I
Not used (open)
10
FG_I
I
Motor flag monitor input from TB2138FG
11
REQ_I
I
REQ signal input from CXA710
12
HG-XSTB_O
O
Strobe signal output to optical pick up block
13
HG-GUP_O
O
Guide-up signal output to optical pick up block
14
RE1_I
I
Not used (open)
15
RE2_I
I
Not used (open)
16
LCD_REQ_O
O
Not used (open)
17
SDXLAT_O
O
Data latch signal output to CXD3048
18
SDCLK_O
O
Serial clock output to EEPROM
19
SDOUT_O
O
Serial data output to EEPROM
20
SDIN_I
I
Serial data input from EEPROM
21
DTS_SDTO
O
Serial data output
22
DTS_SDTI
I
Serial data input
23
DTS_SCK
O
Serial data transfer clock output
24
AMO_I
I
Not used (connect to 2.0 V)
25
VCPU
—
Power supply (+2.0 V)
26
XOUT
O
Not used (open)
27
GND
—
Ground
28
XIN
I
System clock signal input
29
AM1_I
I
Not used (fixed at “H”)
30
XRESET_I
I
System reset signal input from TB2138FG
31
TSB
I
Not used (open)
32
XWAKE_O
O
WAKE-UP signal output to TB2138FG
33
EMU0_O
O
Not used (open)
34
EMU1_O
O
Not used (open)
35
ACKCD_I
I
Not used (pull down)
36
WAKE
I
KEY interrupt signal input
37
LID-SW_I
I
CD lid switch signal input
38
EXTBAT_I
I
Not used (fixed at “L”)
39
ESP_I
I
G-protection switch signal input
40
HOLD_I
I
HOLD switch signal input
41
AVSL_I
I
Not used (fixed at “L”)
42
TEST_I
I
Test mode setting input
43
NC
—
Not used (open)
44 to 51
AD0 to 7
I/O
Address and data input/output to LCD unit
52
FOK_I
I
Focus OK signal input from CXD3039R
53
GFS_I
I
GFS signal input from CXD3039R
54
TUPWRON_O
O
Not used (open)
55
CDON_O
O
Not used (open)
56
AUD_SEL
O
Not used (open)
57
CHGGND_ON_O
O
Not used (pull down)
58
BATT_VCC_ON_O
O
Not used (open)
59
DTS_RST_O
O
Not used (open)
Summary of Contents for CD Walkman D-NE509
Page 29: ...29 D NE509 MEMO ...