BM70 PICtail
TM
/PICtail Plus EVB User’s Guide
DS70005235C-Page 46
2015-2016 Microchip Technology Inc.
5.2
CONNECTING UART TO HOST MICROCONTROLLER DUT
Figure 5-2
illustrates how to connect a user microcontroller DUT to a BM70 EVB to per-
form the emulation tool function. The pins, HCI_TXD, HCI_RXD, P2_0, V
BAT
, RESET,
GPIO, and GND, are connected to the DUT. In this connection, the microcontroller can
communicate with the BM70 EVB through the HCI UART interface by a defined com-
mand set. The P2_0 pin is controlled by the MCU to switch between Application and
Test modes.
FIGURE 5-2:
UART CONNECTION TO HOST MICROCONTROLLER DUT
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