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)