HD6413008VF25 Datasheet, PDF (197/688 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

7. I/O Ports
7.4 Port 7
7.4.1 Overview
Port 7 is an 8-bit input port that is also used for analog input to the A/D converter and analog
output from the D/A converter. The pin functions are the same in all operating modes. Figure 7.3
shows the pin configuration of port 7.
See section 14, A/D Converter, for details of the A/D converter analog input pins, and section 15,
D/A Converter, for details of the D/A converter analog output pins.
Port 7 pins
Port 7
P7₇ (input)/AN ₇ (input)/DA ₁ (output)
P7₆ (input)/AN ₆ (input)/DA ₀ (output)
P7₅ (input)/AN ₅ (input)
P7₄ (input)/AN ₄ (input)
P7₃ (input)/AN ₃ (input)
P7₂ (input)/AN ₂ (input)
P7₁ (input)/AN ₁ (input)
P7₀ (input)/AN ₀ (input)
Figure 7.3 Port 7 Pin Configuration
7.4.2 Register Description
Table 7.6 summarizes the port 7 register. Port 7 is an input port, and port 7 has no data direction
register.
Table 7.6 Port 7 Data Register
Address*
Name
Abbreviation R/W
H'FFFD6
Port 7 data register
P7DR
R
Note: * Lower 20 bits of the address in advanced mode.
Initial Value
Undetermined
Rev.4.00 Aug. 20, 2007 Page 151 of 638
REJ09B0395-0400