CL-PS7500FE 查看數據表（PDF） - Cirrus Logic

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产品描述 (功能)

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CL-PS7500FE

System-on-a Chip for Internet Appliance

Cirrus Logic 

CL-PS7500FE

System-on-a-Chip for Internet Appliance

10.3.10 IRQRQB (0x24) — IRQ B Interrupts Request

76543210

K J PT I SCF

K

J

P

T

I

S

C

F

Write

Read

keyboard receive interrupt

keyboard transmit interrupt

nINT3, active-low

nINT4, active-low

INT5, active-high

nINT6, active-low

INT7, active-high

nINT8, active-low

ignored

request, status bitwise AND’ed with mask

10.3.11 IRQMSKB (0x28) — IRQ B Interrupts Mask

76543210

K J PT I SCF

K

J

P

T

I

S

C

F

Write

Read

Reset

keyboard receive interrupt

keyboard transmit interrupt

nINT3, active-low

nINT4, active-low

INT5, active-high

nINT6, active-low

INT7, active-high

nINT8, active-low

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)

86

MEMORY AND I/O PROGRAMMERS’ MODEL

ADVANCE DATA BOOK v2.0

June 1997

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