Panasonic KX-DT333UA Service Manual ▷ View online
41
KX-DT333UA/KX-DT333UA-B
13 Exploded View and Replacement Parts List
13.1. IC Data
13.1.1. IC1
Pin
Terminal Name
I/O Setting
Pull-up Processing
Contents of Control
Remark
1
P3_3
I
ON
KEYIN3
2
P3_4
I
ON
KEYIN4
3
MODE
I
-
MODE
4
P4_3
O
-
REN
Low active
5
P4_4
O
-
WEN
Low active
6
RESET
I
-
RESET
Low active
7
P4_7
I
-
Not in use
Connecting 47kΩto VCC
8
VSS
-
-
GND
9
P4_6
I
-
Not in use
Connecting 47kΩto VCC
10
VCC
-
VCC
11
P5_4
O
-
LCD_PUMP
Timer output 125kHz
12
P5_3
O
-
MIC_SEL
L:Handset H:Headset
13
P5_2
O
-
SP_AMP
L:ON, H:OFF
14
P5_1
I
OFF
HD_DET
H:Headset detection
15
P5_0
I
OFF
HOOK
L:OFF-HOOK H:ON-HOOK
16
P2_7
I/O
OFF
DB0
17
P2_6
I/O
OFF
DB1
18
P2_5
I/O
OFF
DB2
19
P2_4
I/O
OFF
DB3
20
P2_3
I/O
OFF
DB4
21
P2_2
I/O
OFF
DB5
22
P2_1
I/O
OFF
DB6
23
P2_0
I/O
OFF
DB7
24
P1_7
O
-
OP_CS1
L:Enable H:Disable
25
P1_6
O
-
OP_SCK
26
P1_5
I
ON
OP_RXD
27
P1_4
O
-
OP_TXD
28
P8_6
O
-
AD0
29
P8_5
O
-
AD1
30
P8_4
O
-
AD2
31
P8_3
O
-
AD3/KEYOUT6
32
P8_2
O
-
AD4/KEYOUT5
33
P8_1
O
-
AD5/KEYOUT4
34
P8_0
O
-
AD6/KEYOUT3
42
KX-DT333UA/KX-DT333UA-B
35
P6_0
I
O
OFF
-
Model detection
BK_LIT
BK_LIT
L:DT343/346, DT333
H:Backlight ON, L:OFF
H:Backlight ON, L:OFF
36
INT0
I
ON
INT
37
P6_6
O
-
LCD_TXD
38
P6_7
I
O
OFF
-
LCD_MODEL_detection
LCD_A0
LCD_A0
L:346(6line),H:343/333(3line)
39
P6_5
O
-
LCD_CLK
40
P6_4
I
OFF
BT_RXD
41
P6_3
O
-
BT_TXD
42
P3_1
I
ON
KEYIN1
43
P3_0
I
ON
KEYIN0
44
P3_6
I
ON
KEYIN6
45
P3_2
I
ON
KEYIN2
46
P1_3
I
ON
BT_DET
47
P1_2
O
-
BT_MODE2
48
P1_1
O
-
BT_MODE1
49
P1_0
I
ON
BT_RDY
50
P0_0
O
-
KEYOUT0
51
P0_1
O
-
KEYOUT1
52
P0_2
O
-
KEYOUT2
53
P0_3
O
-
LCD_RST
54
P0_4
O
-
LCD_CS
Low active
55
P6_2
I
OFF
BT_RTS
56
P6_1
O
-
BT_CTS
57
AN2
I
-
SKEY3-4
58
AN1/DA0
I
-
SKEY1-2
59
VSS/AVSS
-
-
GND
60
P0_7
O
-
OP_CS2
L:Enable H:Disable
61
VREF
-
-
VREF
62
VCC/AVCC
-
-
VCC
Connecting to GND
63
P3_7
I
ON
KEYIN7
64
P3_5
I
ON
KEYIN5
43
KX-DT333UA/KX-DT333UA-B
13.1.2. IC2
Pin
No.
I/O Setting
Pull-up Processing
Contents of Control
Remark
1
WEN
in
Built-in
Write signal
2
REN
in
Built-in
Read signal
3
CSN
in
Built-in
Chip select input
4
INTN
out
-
Interrupt output
5
PVSS
-
-
Ground for DSP PLL
6
PVDD
-
-
Power supply for DSP PLL
7
RIN
in
-
DSP PLL adjustment
8
PLLI
in
-
DSP PLL adjustment
9
PLLO
out
-
DSP PLL adjustment
10
GND
-
-
Digital ground
11
CML5
out
-
LED column drive 5
12
CML4
out
-
LED column drive 4
13
CML3
out
-
LED column drive 3
14
CML2
out
-
LED column drive 2
15
CML1
out
-
LED column drive 1
16
CML0
out
-
LED column drive 0
17
VDD
-
-
Digital power supply
18
GND
-
-
Digital ground
19
NROW9
out
-
LED row drive 9
20
NROW8
out
-
LED row drive 8
21
NROW7
out
-
LED row drive 7
22
NROW6
out
-
LED row drive 6
23
NROW5
out
-
LED row drive 5
24
NROW4
out
-
LED row drive 4
25
NROW3
out
-
LED row drive 3
26
NROW2
out
-
LED row drive 2
27
NROW1
out
-
LED row drive 1
28
NROW0
out
-
LED row drive 0
29
VDD
-
-
Digital power supply
30
OEP
tri
-
Channel pulse
31
OSX
tri
-
2.048MHz serial data output
32
OSR
in
Built-in
2.048MHz serial data input
33
OSYNC
bi
-
8Khz frame synchronized signal
34
OCK2M
bi
-
2.048MHz serial clock (Schmitt)
35
OCK4MN
tri
-
4.096MHz serial clock
36
OP0
out
-
Optional reset output 1
37
OP1
out
-
Optional reset output 2
44
KX-DT333UA/KX-DT333UA-B
38
OP2
out
-
Codec serial data output
39
OP3
out
-
Codec serial clock output
40
GND
-
-
Digital ground
41
VDD
-
-
Digital power supply
42
AG
-
-
Analog ground (For D/A)
43
VREFO
out
-
Analog reference voltage
44
SPOP
out
-
+ Side of output for handset SP Amp
45
SPON
out
-
- Side of output for handset SP Amp
46
SPI
in
-
Input for handset SP
47
AVDD
-
-
Digital power supply
48
GND
-
-
Digital ground
49
PCK4MN
tri
-
4.096MHz serial clock
50
PSX
tri
-
2.048MHz serial data output
51
PSYNC
tri
-
8Khz frame synchronized signal
52
PSR
in
Built-in
2.048MHz serial data Input
53
PCK2M
tri
-
2.048MHz serial clock
54
PEP/SCLK
tri
-
Channel pulse/Serial clock
55
OP4
out
-
CO7 green LED control port
H:LEDON
56
OP5
out
-
CO7 red LED control port
H:LEDON
57
OP6
out
-
DXDP constant current switching port
H:40mA, L:20mA
58
OP7
out
-
DXDP constant current control port
H:Constant current circuit ON
59
VDD
-
-
Digital power supply
60
DVRL
in
-
Reference voltage for comparator (For DXDP)
61
DDR
in
-
Receive data input (For DXDP)
62
DVRH
in
-
Reference voltage for comparator (For DXDP)
63
DDX0
out
-
Send data output (For DXDP)
64
DDX1
tri
-
Send data output (For DXDP)
65
GND
-
-
Digital ground
66
VDD
-
-
Digital power supply
67
PVRL
in
-
Reference voltage for comparator
68
PDR
in
-
Receive data input
69
PVRH
in
-
Reference voltage for comparator
70
PDX0
out
-
Send data output
71
PDX1
out
-
Send data output
72
SCANE
in
Built-in(down)
Scan test enable pin
73
SCAN
in
Built-in(down)
Scan test enable pin
74
TEST0
in
-
Test mode pin 0
75
TEST1
in
-
Test mode pin 1
76
CK16M
tri
-
16Mhz clock (For Test)
77
CK8M
tri
-
8MHz clock (For CPU)
78
GND
-
-
Digital ground
79
OSI
in
-
Crystal oscillator input
80
OSO
out
-
Crystal oscillator output
81
VDD
-
-
Digital power supply
82
ADR6
in
Built-in
Address 6
83
ADR5
in
Built-in
Address 5
84
ADR4
in
Built-in
Address 4
85
ADR3
in
Built-in
Address 3
86
ADR2
in
Built-in
Address 2
87
ADR1
in
Built-in
Address 1
88
ADR0
in
Built-in
Address 0
89
VDD
-
-
Digital power supply
90
GND
-
-
Digital ground
91
DB7
bi
Built-in
Data 7
92
DB6
bi
Built-in
Data 6
93
DB5
bi
Built-in
Data 5
94
DB4
bi
Built-in
Data 4
95
DB3
bi
Built-in
Data 3
96
DB2
bi
Built-in
Data 2
97
DB1
bi
Built-in
Data 1
98
DB0
bi
Built-in
Data 0
99
GND
-
-
Digital ground
100
RSTN
in
-
Reset input(Schmitt)
Pin
No.
I/O Setting
Pull-up Processing
Contents of Control
Remark
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