Renesas H8S/2668 Series Manual de usuario descargar pdf (Pagina 4)

(3) Initial value of the ACKBR bit

Initial Value of the ACKBR Bit in

ICIER Notes

Device specification 0

Emulator specification 1 This bit is read-only.

(4) Clear condition of the IIC bus status register (ICSR)

The clear conditions for the TDRE, TEND, and RDRF flags differ.

Device specification

Bit Bit Name Clear Condition

7 TDRE: transmit data register empty

6 TEND: transmit end

• When 1 is read and 0 is written

• When the data is written in ICDRT

5 RDRF: receive data register full

• When 1 is read and 0 is written

• When the data is written in ICDRR

Emulator specification

Bit Bit Name Clear Condition

7 TDRE: transmit data register empty

6 TEND: transmit end

5 RDRF: receive data register full

When 1 is read and 0 is written

2-2 PORT9 Register (H’FF58)

Reads the PORT9 register.

Device specification Reads the pin state.

Emulator specification Reads the undefined value.

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Renesas H8S/2668 Series Manual de usuario Pagina 4