UPD30121 datasheet(52/76 Pages) NEC

52 / 76 page

Data Sheet U14691EJ1V0DS00

µµµµPD30121

(12) System bus parameter (IOCHRDY) (2/3)

Invalid

When WISAA (0:2) bits = 010, BSEL bit = 0

BUSCLKNote 1

(output)

BUSCLKNote 1

(output)

BUSCLKNote 1

(output)

BUSCLKNote 1

(output)

ADD (19:25),

ADD (0:8)

(output)

ADD (9:18)

(output)

SHB#

(output)

MEMR#/MEMW#,

IOR#/IOW#

(output)

IOCHRDY

(input)

ZWS#

(input)

DATA

(output)

DATA

(input)

Invalid

tBCLKH1 tBCLKL1

tAVCKNote 2

tCLCKNote 2

tCLCH

tCHAV

tCHCL

tCHRL

tCHDV

tDH

tDS

tRHCH

tCLR

tDVCL

tAVCL

Invalid

MEMCS16#,

IOCS16#

(input)

tCHSV

tAVSV1

Notes 1. This indicates that there are four possible relationships between BUSCLK signal and other system

bus interface signals.

2. This indicates the minimum setup time to the BUSCLK signal rising or falling edge.

Remark The broken lines indicate high impedance.

UPD30121 Datasheet(PDF) 52 Page - NEC

UPD30121 Datasheet(HTML) 52 Page - NEC

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76

Datasheet Download

Link URL