XA-G39 NXP Semiconductors, XA-G39 Datasheet - Page 37

• Manufacturer Part Number: XA-G39
• Description: Xa 16-bit Microcontroller Family Xa 16-bit Microcontroller 32k Flash/1k Ram, Watchdog, 2 Uarts
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2002 Mar 13
* DATA OUT is either D0–D7 or D0–D15, depending on the bus width (8 or 16 bits).
XA 16-bit microcontroller family
32K Flash/1K 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
XA-G39
Preliminary data
SU00709A
SU00584C