Interrupt Clear Register; Table 23-29. Ic Register; Table 23-30. Ic Register Definitions - Sharp Blue Treak LH75400 User Manual

LH75400/01/10/11 (Preliminary) User's Guide

23.3.2.15 Interrupt Clear Register

IC is the Interrupt Clear Register. Bits [2:0] of this correspond to the three latched interrupts:
• Writing a 1 to a bit clears the corresponding interrupt.
• Writing a 0 to a bit has no effect.
This register is self-clearing; therefore, the Clear signal lasts one cycle of the system clock.
BIT
FIELD
RESET
RW
BIT
FIELD
RESET
RW
ADDR
NOTE: The reset value of this register's bits is indeterminate.
31 30 29 28 27
— — — — —
W W W W W
15 14 13 12 11
— — — — —
W W W W W

Table 23-30. IC Register Definitions

BITS NAME
31:3 ///
2 BOIC
1 PENIC
0 EOSINTC
Analog-to-Digital Converter/Brownout Detector

Table 23-29. IC Register

26 25 24 23
///
— — — —
W W W W
10 9 8 7
///
— — — —
W W W W
0xFFFC3000 + 0xB0
DESCRIPTION
Reserved Read as zero.
Brown-Out Interrupt Clear
1 = Clear BrownOutINTR.
Pen Interrupt Clear
1 = Clear PenIRQ.
End of Sequence Interrupt Clear
1 = Clear EOSINTR.
6/25/03
22 21 20 19 18
— — — — —
W W W W W
6 5 4 3 2
— — — — —
W W W W W
17 16
— —
W W
1 0
— —
W W
23-25