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ALWAYS3.2V
IC302
BATTERY
BACKUP
Q3002
BACK UP
Z3001
MD0
MD1
MD2
MD3
CN301
DEL
PW_ON
S1
SET
CN302
UP
DOWN
LEFT
RIGHT
PLAY
--
WIDE
TELE
CN301
UNREG
VDD
8
VDD
23
12
RESET
BAT OFF
24
BATTERY
21
BACKUP_CTL
41
AVREF
15
SW3.2 ON
Q3001
43
SW3.2V
SCAN IN0
33
SCAN IN1
34
35
SCAN IN2
SCAN IN3
13
SCAN IN4
14
SCAN OUT0
TEST
28
MENU
29
SCAN OUT1
AVJACK
SCAN OUT2
30
PW_TEST
SCAN OUT3
31
PW_LED
2
SB_LED (R)
3
AF_LED (G)
4
25
SHUTTER
5
VSS
SB MON
40
P ON
36
PA ON
37
SB CHG
42
BATSEL
20
LCD ON
38
PA ON2
48
SBVDD_CTL2
44
XCIN
9
IC301
XCOUT
10
8bit MICRO
XOUT
6
PROCESSOR
XIN
7
USB_CONNECT
32
COMREQ/BOT
47
BEEP
27
LCD ON2
39
SREQ
26
SI
17
SO
16
SCK
18
MAIN RESET
1
CARD
22
TEMP_BAT
19
VAA46003-R.3659.A
SYSTEM CONTROL ブロック図
SYSTEM CONTROL BLOCK DIAGRAM
VM5.1V
TO DMA(MAIN)
SBMON
PON
PA ON
SBCHG
BAT_T
LCDON
PAON2
SBVDD_CTL2
X3002
32KHZ
X3001
4MHZ
USBCNT
TO DMA(MAIN)
COMREQ
BEEP
LCDON2
SREQ
SDO
SDI
SCK
MRST
ZCARD
MODEL: E7900
- Ｅ19 ･ E7900 -
BLOCK DIAGRAM: SYSTEM CONTROL
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