Datasheet

Section 17 ROM
Rev.7.00 Feb. 14, 2007 page 579 of 1108
REJ09B0089-0700
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 Abbreviation I/O Function
Reset RES Input Reset
Flash write enable FWE Input Flash program/erase protection by hardware
Mode 2 MD2 Input Sets MCU operating mode
Mode 1 MD1 Input Sets MCU operating mode
Mode 0 MD0 Input Sets MCU operating mode
Port F2 PF2 Input Sets MCU operating mode in programmer mode
Port F1 PF1 Input Sets MCU operating mode in programmer mode
Port F0 PF0 Input Sets MCU operating mode in programmer mode
Transmit data TxD1 Output Serial transmit data output
Receive data RxD1 Input Serial receive data input