CHAPTER3: Serial Programming Connection
1. Serial Programmer
P E R I P H E R A L M A N U A L
50
S6E1Cx_MN710-00016-1v0-E, August 31, 2015
CONFIDENTIAL
Figure 1-6 Connection Example Using Cypress USB DIRECT Programmer (Own Power Supply is
Used, for 32pin and 26pin Products)
10kΩ
10kΩ
USB
connector
Vbus
D-
D+
GND
Note: The pull-up and pull-down resistance values shown are for example.
Select the most appropriate resistance values for each system.
Insert a level shifter for each system.
Serial write at USB
communication mode
8MHz : 0
48MHz : 1
Serial write: 0
Serial write: 1
10kΩ
100kΩ
51kΩ
10Ω
1.5kΩ
27Ω
27Ω
8MHz or
48MHz
3.3V
Level
Shifter
User system
P22/AN07
X0
X1
UDM0
UDP0
VSS
P60/INT15_1
VCC
INITX
P21
MD1
MD0
Device
Level
Shifter