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IPC@CHIP Documentation - SC12 @CHIP-RTOS V1.10

IPC@CHIP Documentation - SC12 @CHIP-RTOS V1.10

IPC@CHIP Documentation - SC12 @CHIP-RTOS V1.10

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Comments<br />

If on a given timer the external input is selected, then that timer's external output is not available and viceversa.<br />

used pins:<br />

TMRIN[0..1], TMROUT[0..1]<br />

excluded pins:<br />

if TMRIN0: A0, PCS1#, PIO4, TMROUT0<br />

if TMRIN1: A[1..2], PCS5#, TMROUT1<br />

if TMROUT0: PIO13, INT0, cascaded interrupt controller, TMRIN0<br />

if TMROUT1: A[1..2], PCS5#, TMRIN1, PIO3<br />

Related Topics<br />

Top of list<br />

Index page<br />

HAL Initialize Timer Settings<br />

Interrupt 0xA2 service 0x86: PFE: Set Edge/Level Interrupt Mode<br />

Parameters<br />

AH<br />

AL<br />

DX<br />

Set edge/level interrupt mode for INT0, INT2, INT3, INT4.<br />

Must be 0x86.<br />

1 = active high, level-sensitive interrupt<br />

0 = low-to-high, edge-triggered interrupt<br />

Mask, bits set to designate interrupts affected:<br />

Bit 0 = INT0<br />

Bit 1 = don't care<br />

Bit 2 = INT2<br />

Bit 3 = INT3<br />

Bit 4 = INT4<br />

Bit 5..15 = don't care<br />

Return Value<br />

none<br />

Comments<br />

Default for all interrupts is edge-triggered mode. In each case (edge or level) the interrupt pins must<br />

remain high until they are acknowledged.<br />

Level-sensitive mode for INT5 / INT6 is not supported. The INT5 / INT6 interrupts operate only in edgetriggered<br />

mode.<br />

Page 287 / 400

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