CL-PS7500FE View Datasheet(PDF) - Cirrus Logic

Part Name

Description

Manufacturer

CL-PS7500FE

System-on-a Chip for Internet Appliance

Cirrus Logic 

CL-PS7500FE

System-on-a-Chip for Internet Appliance

10.3.6

IRQRQA (0x14) — IRQ A Interrupts Request/Clear

76543210

1 TURFNXP

1

T

U

R

F

N

P

Write

Read

always active bit

2-MHz timer 1, rising-edge triggered

2-MHz timer 0, rising-edge triggered

power on reset

FLYBACK, rising edge triggered

nINT1, falling-edge triggered

INT2, rising-edge triggered

clear triggered interrupts

0

do not clear interrupt

1

clear interrupt

requests, as status, but bitwise AND’ed with mask

10.3.7 IRQMSKA (0x18) — IRQ A Interrupts Mask

76543210

1 TURFN0 P

1

T

U

R

F

N

P

Write

Read

Reset

always active bit

2-MHz timer 1, rising-edge triggered

2-MHz timer 0, rising-edge triggered

power on reset

FLYBACK, rising-edge triggered

nINT1, falling-edge triggered

INT2, rising-edge triggered

set mask for each interrupt source

0

do not form part of nIRQ

1

form part of nIRQ

value set by write

set all ‘0’ (none affect nIRQ)

84

MEMORY AND I/O PROGRAMMERS’ MODEL

ADVANCE DATA BOOK v2.0

June 1997

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