Pin Configuration - Hitachi H8S/2646 Hardware Manual

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
Reset
Flash write enable
Mode 2
Mode 1
Mode 0
Port F0
Port 16
Port 14
Transmit data
Receive data
Abbreviation I/O
RES
Input
FWE Input
MD2 Input
MD1 Input
MD0 Input
PF0 Input
P16 Input
P14 Input
TxD1 Output
RxD1 Input
Function
Reset
Flash program/erase protection by hardware
Sets LSI operating mode
Sets LSI operating mode
Sets LSI operating mode
Sets LSI operating mode when MD2 =
MD1 = MD0 =0
Sets LSI operating mode when MD2 =
MD1 = MD0 =0
Sets LSI operating mode when MD2 =
MD1 = MD0 =0
Serial transmit data output
Serial receive data input
665