Sharp AR-NB3, Options Manual, Page: 24 / 44

AR-NB3 CIRCUIT DIAGRAM
7 – 8
A B C D
8765
4
3
1
2
3
4
5
6
7
8
D C
B A
A B C D
8765
4
3
1 1
2 2
3
4
5
6
7
8
D C
B A
8/16
<Serial EEPROM>
<RTC>
BATTERY
ON <->
OFF
NO A
S
M
Serial_EEPROM/RT
EEP_SDA
2,16
EEP_SCK
2,16
R
T
C
DATA
2,16
RTCR/W
2,16
RTCCS
2,16
RTCCLK
2,16
RTCBU
S
O
E
_
13
VCCIO
VCC
VCCIO
VCCIO
VCC
VCC
EN
1
IC35A SN74AHC
T
1
2
5PWR
2
3
1
R22
6
10K
TP
424
R22
7
10K
C223
0.1uF
TP419
TP666
R221 10K
C22
4
0.1uF
R228
10K
C24
4
10p
F
R229
10K
C88
0.1uF
EN
1
IC35B SN74AHC
T
1
2
5PWR
5
6
4
R122
3.3K
TP421
TP663
TP563
R28
3
0
EN
1
IC32C
S
N
7
4LVC125APW
9
8
10
BT
1
H
L
32-V1
IC18
NJU635
6
E
M
1 7 6 5 2 3
8 4
I/O- DATA CLK CE XT XT-
VDD VSS
C86 0.1uF
D1
R
B
7
51V-40 TE-17
R305
10K
TP423
Q2
2SC4116
C
B
E
Q1 2SA15
8
6
C
B
E
Y1
DT-38 3
2
.7
68KHz
TP550
EN
1
IC32D
S
N
7
4LVC125APW
12
11
13
R1231 0K
EN
1
IC32B
S
N
7
4LVC125APW
5
6
4
C87 10uF
R124 10 K
R30
6
10K
EN
1
IC32A S
N
74LVC125APW
2
3
1
R125 2.2K
TP664
R30
7
10K
R121 10
R30
8
10K
IC25F
TC74LCX1
4
F
T
13
12
C24
3
10p
F
C85
0.1uF
TP420
IC17
C
A
T
2
4
FC256XI
5
3
6
1
8
4 2
7
SDA
A2
SCL
A0
VCC
GND
A1
WP
TP665
TP551
TP562
EN
1
IC35C SN74AHC
T
1
2
5PWR
9
8
10
EN
1
IC35D SN74AHC
T
1
2
5PWR
12
11
13
TP422
C