Hardware
2015-2016 Microchip Technology Inc.
DS70005235C-Page 19
TABLE 2-3:
USB TO UART INTERFACE U10
Part
Number
Pin
Signal
Description
J3
1
RTS
MCP2200 RTS pin
2
P0_0
BM70 GPIO P0_0 (Pin 15)
Configured as CTS and connected to J3 pin1 by the
jumper
3
CTS
MCP2200 CTS pin
4
P3_6
BM70 GPIO P3_6 (pin 17)
Configured as RTS and connected to J3 pin 3 by the
jumper
5
TX
MCP2200 RX pin
6
HCI_TXD
BM70 HCI_TXD (pin 23)
Connected to J3 pin 5 by the jumper
7
RX
MCP2200 TX pin
8
HCI_RXD
BM70 HCI_RXD (pin 22)
Connected to J3 pin 7 by the jumper
TABLE 2-4:
SERIAL FLASH INTERFACE
Part
Number
Pin
Signal
Description
J4
1
V
BAT
BM70 power source input
2
P3_1
Configured as SPI_NCS
3
P3_2
Configured as SPI_MISO
4
P3_3
Configured as SPI_MOSI
5
P3_4
Configured as SPI_SCLK
6
GND
Ground pin
TABLE 2-5:
VBAT TEST CONNECTOR
Part
Number
Pin
Signal
Description
J10
1 to 8
V
BAT
V
BAT
test pins
TABLE 2-6:
CONNECTOR J10
Part
Number
Pin
Signal
Description
JP10
1 to 8
GP0 to GP7 MCP2200 GPIOs
TABLE 2-7:
CONNECTOR JP12
Part
Number
Pin
Signal
Description
JP12
1
V
BAT
V
BAT
test pin
2
3V3_I
2
C
3V3 voltage of I
2
C interface, short to V
BAT
for volt-
age supply
Note:
The jumper JP12 must be connected as a default jumper.
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