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Busreq, #busack and #nmi timing, Input, output and i/o port timing – Epson S1C33210 User Manual

Page 98

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8 ELECTRICAL CHARACTERISTICS

A-84

EPSON

S1C33210 PRODUCT PART

#BUSREQ, #BUSACK and #NMI timing

BCLK

#BUSREQ

#BUSACK

eBUS_OUT signals

1

eBUS_OUT signals

1

#NMI

t

BRQS

Valid input

t

NMIW

t

BRQH

;;;;;

;;;;;

t

BAKD

t

Z2E

t

B2Z

;;;

;;;

1 eBUS_OUT indicates the following pins:

A[23:0], #RD, #WRL, #WRH, #HCAS, #LCAS, #CE[17:4], D[15:0]

Input, output and I/O port timing

BCLK

Kxx, Pxx
(input: data read
from the port)

Pxx, Rxx (output)

Kxx
(K-port interrupt input)

t

INPS

Valid input

t

KINW

t

INPH

;;;;;

;;;;;

t

OUTD

;;;

;;;