22
HCD-GTR6/GTR6B/GTR7/GTR8/GTR8B
5-1. BLOCK DIAGRAM — USB SECTION —
13
17
1
8
3
M+9V
USB CONTROLLER
IC1501
SINGLE-SUPPLY
DUAL COMPARATOR
IC1500
SYSTEM CONTROL
IC500 (4/6)
CN1001
1
4
(USB)
VBUS_A
D- A
D+ A
GND
+IN1
OSC1_N
OSC2_N
USBDN1_DP
USBDN1_DM
VCC
OUT1
OUT2
7
1
2
USB_HUB_RESET
HUB_VBUS_DET
RESET_N
VBUS_DET
26
21
22
USB-OC1
USB-OC2
27
31
USBUP_DM
USBUP_DP
30
RF/SERVO
A
XTAL1/CLKIN
XTAL2
33
32
X1500
24MHz
Signal Path
: USB
CN1000
1
4
(USB)
VBUS_B
D- B
D+ B
GND
USBDN2_DP
USBDN2_DM
3
4
5 +IN2
USB_DP
USB_DM
19
18
SECTION
(Page 23)
SECTION 5
DIAGRAMS