XA-H3 NXP Semiconductors, XA-H3 Datasheet - Page 30

• Manufacturer Part Number: XA-H3
• 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
TIMING DIAGRAMS
All references to numbered Notes are to the notes following the AC Electrical Characteristics tables
1999 Sep 24
CMOS 16-bit highly integrated microcontroller
D[15:0]
A[19:0]
Note:
ClkOut
BHE/BLE
Note:
CS
OE
The processor can prefetch from one to eight words.
On Generic Data Reads, A0 can terminate a full clock period before A19–A1, and therefore
should not be used on some peripheral devices.
Driven by XA
Note 3
t
BHE/BLE
CHAV
D15–D0
A19–A1
ClkOut
t
AVSL
OE
CS
A0
t
CHSL
Address
t
CHAV
Note 3
t
AVSL
t
DIS
Figure 8. Burst Code Fetch on 16-Bit Bus
t
CHSL
Figure 7. Read on 16-Bit Bus
Note 2
t
DIH
t
CHAV
t
DIS
30
Address + 2
t
DIS
t
CHSH
Note 2
t
t
t
AHDR
DIH
DIH
t
CHAV
(Note 2)
Address + 4
t
CHAH
(Does Not Include A0)
t
CHSH
t
DIS
(Note 2)
t
DIH
Preliminary specification
t
OHDE
XA-H3
Driven
by XA
SU01277
SU01131