PXAG49KFA PHILIPS [NXP Semiconductors], PXAG49KFA Datasheet - Page 37

• Manufacturer Part Number: PXAG49KFA
• Description: XA 16-bit microcontroller family 64K FLASH/2K RAM, watchdog, 2 UARTs
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
2000 Apr 03
* DATA OUT is either D0–D7 or D0–D15, depending on the bus width (8 or 16 bits).
XA 16-bit microcontroller family
64K Flash/2K RAM, watchdog, 2 UARTs
ADDRESS BUS
UNMULTIPLEXED
RD, OR PSEN)
BUS STROBE
(WRL, WRH,
MULTIPLEXED
WRL or WRH
ADDRESS
AND DATA
ADDRESS
XTAL1
WAIT
ALE
ALE
t
CRAR
t
AVLL
t
WTH
A4–A11 or A4–A15
t
LLAX
t
AVWL
t
Figure 24. External Data Memory Write Cycle
LLWL
t
QVWX
Figure 25. WAIT Signal Timing
A0 or A1–A3, A12–A19
t
WTL
DATA OUT
t
37
WLWH
*
(The dashed line shows the strobe without WAIT.)
t
UAWH
t
WHQX
Preliminary specification
XA-G49
SU00709A
SU00584C