D12320VF25V Datasheet, PDF (311/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

8.10 Port E
Section 8 I/O Ports
8.10.1 Overview
Port E is an 8-bit I/O port. Port E has a data bus I/O function, and the pin functions change
according to the operating mode and whether 8-bit or 16-bit bus mode is selected.
Port E has a built-in MOS input pull-up function that can be controlled by software.
Figure 8.20 shows the port E pin configuration.
Port E pins
Pin functions in modes 4 to 6*
Port E
PE7 / D7
PE6 / D6
PE5 / D5
PE4 / D4
PE3 / D3
PE2 / D2
PE1 / D1
PE0 / D0
PE7 (I/O) / D7 (I/O)
PE6 (I/O) / D6 (I/O)
PE5 (I/O) / D5 (I/O)
PE4 (I/O) / D4 (I/O)
PE3 (I/O) / D3 (I/O)
PE2 (I/O) / D2 (I/O)
PE1 (I/O) / D1 (I/O)
PE0 (I/O) / D0 (I/O)
Pin functions in mode 7*
PE7 (I/O)
PE6 (I/O)
PE5 (I/O)
PE4 (I/O)
PE3 (I/O)
PE2 (I/O)
PE1 (I/O)
PE0 (I/O)
Note: * Modes 6 and 7 are not available in the ROMless versions.
Figure 8.20 Port E Pin Functions
Rev.7.00 Feb. 14, 2007 page 277 of 1108
REJ09B0089-0700