HBD-E770W
HBD-E770W
29
29
5-2. BLOCK DIAGRAM - MEMORY Section -
SD-RAM
IC104
AT28
AV18
BC17
AY16
SD-RAM
IC105
SD-RAM
IC204
SD-RAM
IC205
NAND FLASH
IC501
B_RA0 - B_RA13
A_RA0 - A_RA13
A_RA0 -
A_RA13
B_RA0 - B_RA13
EEPROM
IC1101
SERIAL FLASH
IC502
X802
25MHz
X401
27MHz
USB_VBUS_PCONT1
USB_VBUS_PCONT2
IF_SDI
IF_SDO
OPWRSB
FE_EJECT
IF_SCK
XIF_CS
IF_START_BIT
SYSCON_REQ
GPIO6 AV12
UPG_STATUS
TEMP
SYSCON_RST
CPU_PRERST
TH1501
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
9
9
2
8
9
4
2
9
8
0
5
1
5
1
7
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299