XA-H4 Datasheet, PDF(32/42 Page) NXP Semiconductors – Single-chip 16-bit microcontroller

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XA-H4 Datasheet, PDF (32/42 Pages) NXP Semiconductors – Single-chip 16-bit microcontroller

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Philips Semiconductors

Single-chip 16-bit microcontroller

Preliminary specification

XA-H4

ClkOut

A[19:0]

tCHAV

Address

tAVSL

tCHSL

tCHAV

Address + 2

tCHAV

Address + 4

tCHSH

BHE/BLE

Note 3

D[15:0]

Driven by XA

tDIH

Note 2

tDIS

tDIH

Note 2

tDIS

tOHDE

tDIH

(Note 2)

tDIS

Driven

by XA

Note: The processor can prefetch from one to eight words.

Figure 8. Generic (SRAM, ROM, Flash, etc.) Burst Code Fetch on 16-Bit Bus

SU01131

ClkOut

BHE/BLE

tCHAV

tAVSL

tCHSL

Note 1

tCHDV

tCHSH

tSHAH

tSHDH

Figure 9. Generic (SRAM, I/O Devices, etc.) Write

SU01278

1999 Sep 24

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