© 2014 ISSC Technologies Corp.
7
9. SW2- Reset button for Bluetooth module
10. JP4- Connect with iSSC propriety 8 PIN connector (EDGAR). Use Li-lon battery power and switch SW1
OFF while using EDGAR.
11. SW1- Mode Switch (
see 3.2 Mode Definition, 3.3 Mode Settings
)
12. JP7- CTS path of UART between BM77 & MCP2200. Remove the jumper if not using flow control.
13. JP9- RTS path of UART between BM77 & MCP2200. Remove the jumper if not using flow control.
14. JP6- RX path of UART between BM77 & MCP2200. Remove the jumper if trying to connect MCU & BM77.
15. JP5- TX path of UART between BM77 & MCP2200. Remove the jumper if trying to connect MCU & BM77.
16. U10- Microchip MCP2200 chip, USB/UART converter.
17. JP8- All the GPIO PIN connected to Microchip MCP2200.
18. SW4- Reset button for Microchip MCP2200
19. USB Connector- Micro USB connector
3.1. Power Switch Settings
Mode JP2
USB 5V
BAT 4.2V~3.3V
* Notice: SW5 button must be pressed down to wake BM77.
3.2. Mode Definitions
Switch Number
1 2
3
Pin
P20 P24
EAN
ON
Low Low
High
Function
Test Mode
High=Disable/ Application
Low=Enable/ Test Mode
Flash Write
High=Disable
Low=Enable
Boot by Flash or ROM
High=ROM
Low=Flash
3.3. Mode Switch Settings
Mode Switch
PIN
Definition
Write Flash
1. P20: Low
2. P24: Low
3. EAN: High
Test Mode
(Write EEPROM)
1. P20: Low
2. P24: High
