HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 570

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

17.6.4
The flash memory is controlled by means of the pins shown in table 17.10.
Table 17.10 Flash Memory Pins
Pin Name
Reset
Flash write enable
Mode 2
Mode 1
Mode 0
Port F
Port F
Port F
Transmit data
Receive data
Note: * FWE pin functions as WDTOVF pin on ZTAT, mask ROM, and ROMless versions.
558
2
1
0
Pin Configuration
Abbreviation
RES
FWE*
MD
MD
MD
PF
PF
PF
TxD1
RxD1
2
1
0
2
1
0
I/O
Input
Input
Input
Input
Input
Input
Input
Input
Output
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 writer mode
Sets MCU operating mode in writer mode
Sets MCU operating mode in writer mode
Serial transmit data output
Serial receive data input