Panasonic CQ-RXBT490U Service Manual page 8

Pin. PORT
No.
16 PIO[14] Programmable input/output line.
17 PIO[8] Programmable input/output line.
18 PIO[7] Programmable input/output line.
19 PIO[6] Programmable input/output line.
20 PIO[5] Programmable input/output line.
21 PIO[4] Programmable input/output line.
22 PCM_IN Synchronous data input.
23 PCM_CLK Synchronous data clock.
24 PCM_OUT Synchronous data output.
25 PCM_SYNC Synchronous data sync.
26 SPI_MOSI SPI data input.
27 SPI_CLK SPI clock.
28 SPI_CSB Chip select for Serial Peripheral
Interface (SPI), active low.
29 SPI_MISO SPI data output.
30 LED[0] LED driver.
31 LED[1] LED driver.
32 VREGIN_H Input to internal high-voltage linear
regulator. (2.5V-4.9V)
33 VREGEN_H Take high to enable high-voltage
linear regulator and switch-mode
regulator.
34 VREGOUT_H High-voltage linear regulator output.
(1.8V out)
35 N.C. Not connection.
36 GND Digital Ground.
37 VDD_CHG Lithium ion/polymer battery charger
input. (4.5V-6.5V)
38 VDD_BAT Lithium ion/polymer battery positive
terminal.Battery charger output and
input to switch-mode
(4.2V out)
39 GND Digital Ground.
40 MIC_BIAS Microphone bias.
41 MIC_R_P Microphone input positive,right.
42 MIC_R_N Microphine input negative,right.
43 MIC_L_P Microphone input positive,left.
44 MIC_L_N Microphone input negative,left.
45 AGND Analogue Ground.
46 VDD_AUDIO Positive supply output for audio
circuitry and 1.5V regulated output.
(from internal low-voltage regulator)
47 SPK_R_N Speaker output negative,right.
48 SPK_R_P Speaker output positive,right.
49 SPK_L_N Speaker output negative,left.
50 SPK_L_P Speaker output positive,left.
51 PIO[3] Programmable input/output line.
52 PIO[1] Programmable
(external TXEN)
53 PIO[2] Programmable input/output line.
54 PIO[0] Programmable
(external RXEN)
55 GND Digital Ground.
56 GND Digital Ground.
57 ANT RF out.
58 GND Digital Ground.
59 AIO[0] Analogue programmable input/out
line.
60 VDD_ANA Positive supply output for analogue
circuitry and 1.5V regulated output.
(from internal low-voltage regulator)
61 AIO[0] Analogue
output line.
62 GND Digital Ground.
63 USB_DP USB data plus with selectable
internal 1.5kΩ pull-up resistor.
64 USB_DN USB data minus.
Description I/O
O
O
O
O
O
O
I
O
O
O
I
I
I
O
O
O
I
I
O
O
GND
I
O
regulator.
GND
I
I
I
I
I
GND
O
O
O
O
O
O
input/output line. O
O
input/output line. O
GND
GND
O
GND
O
O
programmable input/ O
GND
I
I
(V)
0
0
0
0
0
0
0
0
0
0
0
0
2.88
0
0
0
3.05
3.05
1.84
0
0
0
0
0
0
0
0
0
0
0
1.51
0
0
0.71
0.71
0
0
0
0
0
0
0
0
0
1.48
0
0
3.04
0
8