Sanyo VPC-CG9 - Xacti Camcorder - 9.1 MP, Руководство по обслуживанию

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1-5. SYA CIRCUIT DESCRIPTION
1. Configuration and Functions
For the overall configuration of the SYA block, refer to the block diagram. The SYA block centers around a 8-bit microprocessor
(IC301), and controls camera system condition (mode).
The 8-bit microprocessor handles the following functions.
1. Operation key input, 2. Clock control and backup, 3. Power ON/OFF, 4. Storobe charge control
Pin Signal
1
2
3
4
5
6
7
8
9
11
12
13
14
15
16
17
18
19
20
24
26
27
28
29
35
36
37
38
39
40
41
42
SCK
CARD
BACKUP_CTL
CHG_DONE
HOT LINE
TEST_MODE
NOT USED
NOT USED
VDD2
RED_LED
GREEN_LED (G)
NAND RESET
KEY_POWER
BL ON
NOT USED
MAIN RESET
PLLEN
UTX
MR_PANEL_OPEN
KEY_WIDE
KEY_PLAY
BOOT
ST_CHG
SW3.2 ON
KEY_VREC
VSS3
VDD3
RDSEL
CLK (SFW)
DATA0 (SFW)
P ON
I/O
O
I
O
I
I
I
O
O
-
O
O
O
I
O
O
O
O
I
I
I
I
O
O
O
I
-
-
I/O
I/O
I/O
O
Outline
Serial data clock output
SD card detection (L= SD card)
Backup battery charge control (L= charge)
Strobo condensor charge done detection (H
→
L= charge done)
Hot line request from ASIC
Test mode terminal (L= starting up test mode)
-
VDD
Red LED (H= lighting)
Green LED (H= lighting)
OneNAND flash reset (L= reset)
Key input POWER (L=input)
LCD backlight ON/OFF single (H= backlight ON)
-
System reset (MRST)
ASIC PLL ON/OFF control
Debugger terminal
Key input WIDE (L= input)
Key input PLAY (L= input)
BOOT output
Strobo charge control (H= charge)
SW 3.2 power ON/OFF signal (L= ON)
Keyscan VREC (L= input)
GND
VDD
Debugger terminal
Debugger terminal
Debugger terminal
D/D converter 1.8 V/3.3 V ON/OFF signal (H= ON)
LCD panel open/close detection (H= panel open)
10
VSS2 - GND
21 USB_DET
I
USB connection detection (L= connection)
22 COMREQ
I
Command request input
23
-
25
KEY_1st I Key input 1st SHUTTER (L= input)
30
KEY_DOWN
I
Key input DOWN (L= input)
31
KEY_MENU
I
Key input MENU (L= input)
32
KEY_UP I Key input UP (L= input)
33
KEY_RIGHT I Key input RIGHT (L= input)
34
KEY_SET I Key input SET (L= input)
P ON2 O D/D converter 1.0 V ON/OFF signal (H= ON)
KEY_TELE I Key input TELE (L= input)