Using the AT85DVK-07 Board
AT85DVK-07 Development Board User Guide
2-11
4391B–MP3–07/07
Figure 2-9.
Parallel Remote Control Unit Implementation
Table 2-9.
Remote Control Connector (J11)
Pin Number
Pin Name
Pin Description
1
VDD
IOVDD power supply 1.8V or 3V depending on the power configuration
2
BLVDD
Controlled HVDD for back-light usage (LCD extension)
3
P3.0/RXD/MISO
UART Receive Serial Data
SPI Master Input Slave Output Data Line
4
P1.7
General purpose I/O or back-light control (LCD extension)
5
P3.1/TXD/MOSI
UART Transmit Serial Data
SPI Master Output Slave Input Data Line
6
nRST
Chip Reset (optional through SE30 solder strap)
7
P3.2/INT0/RTS/SCK
External Interrupt 0
UART Request To Send Control Line
SPI Clock Line
8
P5.1/SCS/LCS
PSI Slave Chip Select
LCD Chip Select
9
P3.3/INT1/CTS/SS
External Interrupt 1
UART Clear To Send Control Line
SPI Slave Select Line
10
P5.2/SA0/LA0/LRS
PSI Slave Address Bit 0
LCD Address Bit 0 (8080) Register Select Signal (6800)
11
VSS
0V digital supply reference
12
P5.3/SWR/LWR/LRW
PSI Slave Write Signal
LCD Write Signal (8080) Read/Write Signal (6800)
13
VSS
0V digital supply reference
14
P5.0/SRD/LRD/LDE
PSI Slave Write Signal
LCD Read Signal (8080) Enable Signal (6800)
15
VSS
0V digital supply reference
16
P0.0/SD0/LD0
PSI Slave Data Bit 0
LCD Data Bit 0
17
VSS
0V digital supply reference
18
P0.1/SD1/LD1
PSI Slave Data Bit 1
LCD Data Bit 1
19
VSS
0V digital supply reference
20
P0.2/SD2/LD2
PSI Slave Data Bit 2
LCD Data Bit 2
21
VSS
0V digital supply reference
22
P0.3/SD3/LD3
PSI Slave Data Bit 3
LCD Data Bit 3
23
P0.5/SD5/LD5
PSI Slave Data Bit 5
LCD Data Bit 5
J11
1
2
25
26
