XA-H4 NXP Semiconductors, XA-H4 Datasheet - Page 32

• Manufacturer Part Number: XA-H4
• Description: The powerful 16-bit XA CPU core and rich feature set make the XA-H3 and XA-H4 devices ideal for high-performance real-time applications such as industrial control and networking
• Manufacturer: NXP Semiconductors

Philips Semiconductors
1999 Sep 24
Single-chip 16-bit microcontroller
D[15:0]
A[19:0]
Note:
ClkOut
BHE/BLE
CS
OE
The processor can prefetch from one to eight words.
Driven by XA
BHE/BLE
ClkOut
Note 3
WE
CS
t
CHAV
D
A
t
AVSL
Figure 8. Generic (SRAM, ROM, Flash, etc.) Burst Code Fetch on 16-Bit Bus
t
CHSL
t
CHAV
t
CHDV
Address
t
AVSL
Figure 9. Generic (SRAM, I/O Devices, etc.) Write
t
DIS
t
Note 1
CHSL
Note 2
t
DIH
t
CHAV
t
CHSH
32
Address + 2
t
DIS
t
t
SHAH
SHDH
Note 2
t
DIH
t
CHAV
Address + 4
t
CHSH
t
DIS
SU01278
(Note 2)
t
DIH
Preliminary specification
t
OHDE
XA-H4
Driven
by XA
SU01131