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4 input/output pins, 5 register descriptions – Renesas H8S/2111B User Manual

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Rev. 1.00, 05/04, page 437 of 544

18.4 Input/Output

Pins

The flash memory is controlled by means of the pins shown in table 18.2.

Table 18.2 Pin Configuration

Pin Name

I/O

Function

RES

Input Reset

MD1

Input

Sets this LSI's operating mode

MD0

Input

Sets this LSI's operating mode

P92

Input

Sets this LSI's operating mode

P91

Input

Sets this LSI's operating mode

P90

Input

Sets this LSI's operating mode

TxD1

Output

Serial transmit data output

RxD1

Input

Serial receive data input

18.5 Register

Descriptions

The flash memory has the following registers. To access FLMCR1, FLMCR2, EBR1, or EBR2,
the FLSHE bit in the serial/timer control register (STCR) should be set to 1. For details on the
serial/timer control register, refer to section 3.2.3, Serial Timer Control Register (STCR).

• Flash memory control register 1 (FLMCR1)
• Flash memory control register 2 (FLMCR2)
• Erase block register 1 (EBR1)
• Erase block register 2 (EBR2)

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