S6E2CC/C5/C4/C3/C2/C1 Series Flash Programming Specification, Document Number: 002-04913 Rev. *D
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Figure 3-6 Connection Example of USB I/F (Own Power Supply is Used.))
10
kΩ
10
kΩ
USB
connector
Vbus
D-
D+
GND
●
●
●
Note: It is a connection example when V
CC
=3.3V. Insert a level shifter for each system. The pull-up and pull-down
resistance values shown are for example. Select the most appropriate resistance values for each system.
●
●
●
Serial write at USB
communication
mode
4MHz:"0"
48MHz:"1"
Serial write:
“0”
Serial write: “1”
10
kΩ
100
kΩ
10
Ω
1.5
kΩ
27
Ω
27
Ω
4MHz or
48MHz
3.3 V
●
●
●
User system
●
●
P22/SOT0_0
X0
X1
UDM0
UDP0
VSS
P60
USBVCC
VCC
INITX
P61/UHCONX
MD1
MD0
Device
Level
Shifter
●
51kΩ
●