Multiplexing Of I/O Pins; Interrupts And Module Stop Mode - Renesas H8SX/1520 Series Hardware Manual

32-bit cisc microcomputer

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Multiplexing of I/O Pins

In this LSI, the TCLKA input pin is multiplexed with the TIOCC0 I/O pin, the TCLKB input pin

with the TIOCD0 I/O pin, the TCLKC input pin with the TIOCB1 I/O pin, and the TCLKD input

pin with the TIOCB2 I/O pin. When an external clock is input, compare match output should not

be performed from a multiplexed pin.

If module stop mode is entered when an interrupt has been requested, it will not be possible to

clear the CPU interrupt source or the DMAC activation source. Interrupts should therefore be

disabled before entering module stop mode.

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Section 9 16-Bit Timer Pulse Unit (TPU)

Rev. 3.00 Mar. 14, 2006 Page 343 of 804

REJ09B0104-0300

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