S6E2CC/C5/C4/C3/C2/C1 Series Flash Programming Specification, Document Number: 002-04913 Rev. *D
69
Figure 3-7 Connection Example of USB I/F (Bus Power Supply is Used.)
10
kΩ
10
kΩ
Regulator
3.3V output
USB
connector
Vbus
D-
D+
GND
●
●
●
UDM0
UDP0
VSS
P60
USBVCC
VCC
INITX
●
●
P61/UHCONX
Note: The pull-up and pull-down resistance values shown are for example.
Select the most appropriate resistance values for each system.
MD1
MD0
P22/SOT0_0
Device
●
●
●
Serial write at USB
communication
mode
4MHz: "0"
48MHz: "1"
Serial write:"0"
Serial write:"1"
10kΩ
100
kΩ
10
Ω
1.5
kΩ
27
Ω
27
Ω
X0
X1
●
●
4MHz or
48MHz
3.3V
Level
shifter
●
●
●
User system
●
51kΩ