26
D-NE20/NE20LS
Pin No. Pin Name I/O Description
198 AN3 I Pull up fixed at “H”
199 AN2 I Key input terminal
200 AN1 I Key input terminal
201 AN0 I DC in voltage detection
202 WAKE I Wake up control signal input
203 XADEVENT O Wake signal output to power controller
204 XRST I System reset input terminal
205 DVDBK0 I Pull up fixed at “H”
206 DVDBK1 I Pull up fixed at “H”
207 VSS19 – Ground terminal
208 VDIO6 – Power supply terminal (+2.1V)
209 PD7/INT7 – not used
210 PD6/INT6 – not used
211 PD5/INT5 O not used
212 PD4/INT4 I External battery detection signal input (“L”: external battery)
213 PD3/INT3 I Pull up fixed at “L”
214 PD2/INT2/ECIN I FG pulse signal input
215 PD1/INT1/T1 O not used
216 PD0/INT0/EC0 I Charging stand detection signal input
217 PE7/ZSCS1 O LCD driver chip select signal output
218 NCS1 O Chip enable signal output to P2ROM
219 to 237
A1 to A19 O Address data signal output to P2ROM
238 NRD O Out enable signal output to P2ROM
239 NWE1 – not used
240 to 255
DQ0 to DQ15 I P2ROM data signal input
256 VDD_FL1 – not used
257 VSS_LF1 – Ground terminal
258 XTAO – not used
259 XTAI – not used
260 MSBS – not used
261 MSSCLK – not used
262 NMSINS – Power supply terminal (+2.1V)
263 to 272
NC – not used
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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