User's Manual

Confidential
External QSPI flash to CU277B
AW-CU277B
USB B-type
5V Input
FTDI USB to UART/JTAG with CU277B
(COM Port 1 for CU277B’s JTAG, COM Port 2 for CU277B’s
UART0)
External 32.768KHz to
CU277B
EVB Power Supply Option:
1. USB B-type 5V Input
2. Power Jack 5V Input
(If the USB B-type driving force
shortage)
USB 5V input
LDO 5V to 3.3V
CU277B Reset
CU277B Wake
Up
JP11 for CU277B boots
Option
Power Jack 5V Input
Relative Hardware I2
3