XA-H3 NXP Semiconductors, XA-H3 Datasheet - Page 32

• 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
1999 Sep 24
CMOS 16-bit highly integrated microcontroller
Note:
OE, BLE, CS
A19 – A1
BLE, WE
D7 – D0
Clkout
Clkout
D[7:0]
t
CS
CHAV
A0
BHE remains high (inactive) for all accesses on an 8-bit bus. A burst code fetch can be
from 1 to 8 words (1 word = 2 bytes), a 2 word fetch is shown here.
t
CHAV
Note. OE is inactive during all writes.
t
AVSL
Even Address
t
CHSL
Note 3
t
CHAV
t
CHSL
t
DIS
LS Byte
Figure 11. Burst Code Fetch on 8-bit bus
Figure 12. 16-Bit Write on 8-Bit Bus
Note 2
t
DIH
t
CHAV
Address + 1
t
SHDH
t
DIS
MS Byte
32
Note 2
t
DIH
t
CHAV
t
Address + 2
SHAH
t
DIS
LS Byte
t
t
AVSL
DVSL
Note 2
t
DIH
t
CHAV
Address + 3
t
t
DIS
MS Byte
SHAH
Note 2
Preliminary specification
t
t
DIH
CHSH
t
CHSH
XA-H3
SU01245
SU01246