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3. TECHNICAL BRIEF
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3.10.4 Key Pad
There are 26 buttons and 3 side keys in Figure. Shows the Keypad circuit. ‘END’ Key is connected
On_SW to PMIC(PM6650) and MSM(GPIO76).
Table 3.10.4-1 Key Matrix Mapping Table
Figure 3.10.4-1 Keypad Circuit
COL0
COL1
COL2
COL3
COL4
COL5
ROW0
CLR (Clear)
MENU
Side key (camera)
ROW1
1
2
3
LEFT
UP
Side key (Down)
ROW2
4
5
6
OK
RIGHT
Side Key (Up)
ROW3
7
8
9
SEND
SEARCH
ROW4
HOT4 (*)
0
HOT5(#)
DN
BACK
LEFT
8
HOT5
4
5
7
2
9
HOT4
3
UP
OK
SND
SEARCH
CLR
MENU
0
1
BACK
RIGHT
6
DN
RA1
2
4
6
8
1
3
5
7
10K
7
6
OK
5
UP
8
9
1
4
0
2
DN
LEFT
BACK
R4
10K
CLR
HOT5
HOT4
RIGHT
SEARCH
SND
MENU
3
VREG_MSMP_2.6V
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_COL(0)
KEY_ROW(4)
KEY_COL(1)
KEY_COL(2)
KEY_COL(3)
KEY_COL(4)
KEY_ROW(0)
CN3
1
2
3
4
AVLC14S02050
VA5
VA4
AVLC14S02050
VA14
AVLC14S02050
AVLC14S02050
VA7
KEY_COL(5)
KEY_ROW(2)
KEY_ROW(1)
KEY_ROW(0)
Summary of Contents for U8210
Page 22: ...3 TECHNICAL BRIEF 23 Figure 3 2 1 1 RTR6250 IC Functional Block Diagram ...
Page 37: ...3 TECHNICAL BRIEF 38 Figure 3 5 12 1 Bluetooth system architecture ...
Page 110: ...4 TROUBLE SHOOTING 111 USB_D USB_D USB_VBUS X100 48M 48MHz ...
Page 115: ...4 TROUBLE SHOOTING 116 LCD Control data flow ...
Page 117: ...4 TROUBLE SHOOTING 118 LCD Control data flow ...
Page 122: ...4 TROUBLE SHOOTING 123 TR400 ...
Page 124: ...4 TROUBLE SHOOTING 125 FLASH_ON from Main Bíd PM6650 CN1 Flash LED ...
Page 127: ...4 TROUBLE SHOOTING 128 FB503 CN500 FB502 CN2 CN1 ...
Page 129: ...4 TROUBLE SHOOTING 130 C627 Head_set Output Pin 4 5 C626 CN304 R624 ...
Page 131: ...4 TROUBLE SHOOTING 132 R649 CN300 CN2 CN1 U605 C633 R648 C634 R622 R623 ...
Page 133: ...4 TROUBLE SHOOTING 134 R649 CN300 CN2 CN1 U605 C633 R648 C634 R622 R623 ...
Page 135: ...4 TROUBLE SHOOTING 136 C627 Head_set Output Pin 4 5 C626 CN304 R624 ...
Page 137: ...4 TROUBLE SHOOTING 138 R649 CN300 CN2 CN1 U605 C633 R648 C634 R622 R623 ...
Page 139: ...4 TROUBLE SHOOTING 140 C627 Head_set Output Pin 4 5 C626 CN304 R624 ...
Page 141: ...4 TROUBLE SHOOTING 142 MIC Contact C404 C401 ...
Page 143: ...4 TROUBLE SHOOTING 144 C115 Head_Phone Input Pin 2 3 C102 CN304 R624 ...
Page 146: ...4 TROUBLE SHOOTING 147 Receptacle 4 6V 4 6V ...
Page 151: ...5 BLOCK DIAGRAM 152 Top Side ...
Page 152: ...5 BLOCK DIAGRAM 153 Bottom Side ...
Page 154: ...6 DOWNLOAD 155 It is ready for downloading ...
Page 160: ...6 DOWNLOAD 161 6 Click on Download to download ...
Page 165: ...6 DOWNLOAD 166 Downloading the Module image Finally Download has been complete ...
Page 168: ...6 DOWNLOAD 169 When you meet the NV Restore error Connect to the phone ...
Page 170: ...6 DOWNLOAD 171 Select the proper file and click on Restore Reading the NV file and restore NV ...
Page 200: ... 201 9 PCB LAYOUT ...
Page 201: ... 202 9 PCB LAYOUT ...
Page 202: ... 203 9 PCB LAYOUT U8210 KEYPAD SPEY0032001 1 1 TOP ...
Page 203: ... 204 9 PCB LAYOUT ...
Page 204: ... 205 9 PCB LAYOUT ...
Page 206: ... 207 ...
Page 207: ... 208 ...