V1.7
Page 12 of
15
May 2010
TABLE 1: DLP-2232PB PINOUT DESCRIPTION
Pin #
Description
1
GROUND
2
B5 (I/O) Port Pin B5 connected to the 16F877A microcontroller.
3
UPRST (In) 16F877A Reset input. Can be left disconnected if not used.
4
A0 (I/O) Port Pin A0 connected to the 16F877A microcontroller. A/D Channel 0.
5
A1 (I/O) Port Pin A1 connected to the 16F877A microcontroller. A/D Channel 1.
6
A2 (I/O) Port Pin A2 connected to the 16F877A microcontroller. A/D Channel 2.
7
A3 (I/O) Port Pin A3 connected to the 16F877A microcontroller. A/D Channel 3.
8
A4 (I/O) Port Pin A4 connected to the 16F877A microcontroller. Open drain output.
9
A5 (I/O) Port Pin A5 connected to the 16F877A microcontroller. A/D Channel 4.
10
LED (I/O) Port Pin E0 connected to the 16F877A microcontroller. The on-board LED can be driven
by 16F877A microcontroller or by external user electronics if E0 is configured as an input.
11
GROUND
12
NO CONNECT
13
NO CONNECT
14
NO CONNECT
15
DB7 (I/O) Line 7 of the data bus between the 16F877A and the FT2232D USB-FIFO.
16
DB6 (I/O) Line 6 of the data bus between the 16F877A and the FT2232D USB-FIFO.
17
DB5 (I/O) Line 5 of the data bus between the 16F877A and the FT2232D USB-FIFO.
18
DB4 (I/O) Line 4 of the data bus between the 16F877A and the FT2232D USB-FIFO.
19
DB3 (I/O) Line 3 of the data bus between the 16F877A and the FT2232D USB-FIFO.
20
DB2 (I/O) Line 2 of the data bus between the 16F877A and the FT2232D USB-FIFO.
21
DB1 (I/O) Line 1 of the data bus between the 16F877A and the FT2232D USB-FIFO.
22
DB0 (I/O) Line 0 of the data bus between the 16F877A and the FT2232D USB-FIFO.
23
EXTVCC (In) Use for applying main power (4.4 to 5.25 volts) to the module. Connect to
26
1
50
25