C8051F41x
Rev. 0.3
9
4.5. Target Board DEBUG Interface (J4)
The DEBUG connector (J4) provides access to the DEBUG (C2) pins of the C8051F410. It is used to connect the
Serial Adapter or the USB Debug Adapter to the target board for in-circuit debugging and Flash programming.
Table 3 shows the DEBUG pin definitions.
4.6. Serial Interface (J5)
A RS232 transceiver circuit and DB-9 (J5) connector are provided on the target board to facilitate serial
connections to UART0 of the C8051F410. The TX, RX, RTS and CTS signals of UART0 may be connected to the
DB-9 connector and transceiver by installing shorting blocks on header J3.
J27[1–2]- Install shorting block to connect UART0 TX (P0.4) to transceiver.
J27[3–4]- Install shorting block to connect UART0 RX (P0.5) to transceiver.
J27[5–6]- Install shorting block to connect UART0 RTS (P1.4) to transceiver.
J27[7–8]- Install shorting block to connect UART0 CTS (P1.5) to transceiver.
4.7. Analog I/O (J6)
Many of the C8051F410 target device’s port pins are connected to the J2 terminal block. Connections for VDDA,
AGND, ADC external voltage references, IDAC outputs and ADC inputs are available. Refer to Table 4 for the J6
terminal block connections.
Table 3. DEBUG Connector Pin Descriptions
Pin #
Description
1
+3 VD (+3.3 VDC)
2, 3, 9
GND (Ground)
4
C2D
5
/RST (Reset)
6
P3.0
7
C2CK
8
Not Connected
10
USB Power
Table 4. J6 Terminal Block Pin Descriptions
Pin #
Description
1
P0.0/IDAC0
2
P0.1/IDAC1
3
VREFIN
4
GND
5
AIN0
6
AIN1
