D12320VF25V Datasheet, PDF (613/1146 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Section 17 ROM
17.4.8 Pin Configuration
The flash memory is controlled by means of the pins shown in table 17.5.
Table 17.5 Flash Memory Pins
Pin Name
Reset
Flash write enable
Mode 2
Mode 1
Mode 0
Port F2
Port F1
Port F0
Transmit data
Receive data
Abbreviation I/O
RES
Input
FWE
Input
MD2
Input
MD1
Input
MD0
Input
PF2
Input
PF1
Input
PF0
Input
TxD1
Output
RxD1
Input
Function
Reset
Flash program/erase protection by hardware
Sets MCU operating mode
Sets MCU operating mode
Sets MCU operating mode
Sets MCU operating mode in programmer mode
Sets MCU operating mode in programmer mode
Sets MCU operating mode in programmer mode
Serial transmit data output
Serial receive data input
Rev.7.00 Feb. 14, 2007 page 579 of 1108
REJ09B0089-0700