XA-H4 NXP Semiconductors, XA-H4 Datasheet - Page 36

• 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
CASL
(CASH stays high)
ClkOut
D[7:0]
A19 – A1
BLE, WE
RAS
D7 – D0
OE
Clkout
A
t
CS
CHAV
A0
t
CHAV
t
Note. OE is inactive during all writes.
CHSL
t
AVSL
t
AVSL
CAS ADDRESS
t
CHSL
t
CHSL
Figure 17. 16-Bit Read on 8-Bit Bus, DRAM (both FPM and EDO)
t
t
CHAH
CHSL
t
CHAV
Figure 16. Generic 16-Bit Write on 8-Bit Bus
t
AVSL
t
CHSL
t
SHDH
CAS ADDRESS EVEN
36
t
DIS
LS Byte
t
CHAH
t
SHAH
t
CHAV
t
t
AVSL
DVSL
t
t
DIH
CHSH
t
CPWH
Note 2
CAS ADDRESS ODD
t
SHAH
Preliminary specification
t
CHSH
t
DIS
MS Byte
t
CHAH
XA-H4
t
SU01246
CHSH
SU01284
Note 2
t
CHAV