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19.4
Input/Output Pins
The flash memory is controlled by means of the pins shown in table 19.2.
Table 19.2 Pin Configuration
Pin Name
I/O
RES
Input
FWE
Input
MD2
Input
MD1
Input
MD0
Input
TxD2
Output
RxD2
Input
19.5
Register Descriptions
The flash memory has the following registers.
• Flash memory control register 1 (FLMCR1)
• Flash memory control register 2 (FLMCR2)
• Erase block register 1 (EBR1)
• Erase block register 2 (EBR2)
• RAM emulation register (RAMER)
Function
Reset
Flash program/erase protection by hardware
Sets this LSI's operating mode
Sets this LSI's operating mode
Sets this LSI's operating mode
Serial transmit data output
Serial receive data input
Rev. 1.0, 09/02, page 451 of 568
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