665
20.3
Pin Configuration
The flash memory is controlled by means of the pins shown in table 20-1.
Table 20-1 Pin Configuration
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 LSI operating mode
Mode 1
MD1
Input
Sets LSI operating mode
Mode 0
MD0
Input
Sets LSI operating mode
Port F0
PF0
Input
Sets LSI operating mode when MD2 =
MD1 = MD0 =0
Port 16
P16
Input
Sets LSI operating mode when MD2 =
MD1 = MD0 =0
Port 14
P14
Input
Sets LSI operating mode when MD2 =
MD1 = MD0 =0
Transmit data
TxD1
Output
Serial transmit data output
Receive data
RxD1
Input
Serial receive data input
Содержание H8S/2645
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