19
19
CFD-RS60CP
CFD-RS60CP
6-3. BLOCK DIAGRAM – USB Section –
5V
(VBUS)
USB CONTROL
IC901
D0 – 15
A1 – 16
VBUS
POWER ON/OFF
SWITCH
IC915
SYSTEM CONTROL
IC801 (2/3)
S-RAM
IC921
J1001
1
4
(USB)
VBUS
D–
D+
GND
DATA
CLK
GATE
A IN
BCK IN
LRCKIN
RESET
RXD1
TXD1
TEST
PIN
AM0
BOOT
BUS3
BUS2
BUS1
BUS0
CCE
BUCK
REQ
ST REQ
X901
9kHz
5
6
7
3
4
DVDD 3.3V
CN904