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XA-G39 Datasheet(PDF) 37 Page - NXP Semiconductors

Part No. XA-G39
Description  XA 16-bit microcontroller family XA 16-bit microcontroller 32K FLASH/1K RAM, watchdog, 2 UARTs
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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XA-G39 Datasheet(HTML) 37 Page - NXP Semiconductors

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Philips Semiconductors
Preliminary data
XA-G39
XA 16-bit microcontroller family
32K Flash/1K RAM, watchdog, 2 UARTs
2002 Mar 13
37
tUAWH
tLLAX
ALE
MULTIPLEXED
ADDRESS
AND DATA
UNMULTIPLEXED
ADDRESS
WRL or WRH
A4–A11 or A4–A15
DATA OUT
*
A0 or A1–A3, A12–A19
tLLWL
tWLWH
tAVLL
tAVWL
tQVWX
tWHQX
SU00584C
*
DATA OUT is either D0–D7 or D0–D15, depending on the bus width (8 or 16 bits).
Figure 24. External Data Memory Write Cycle
XTAL1
ADDRESS BUS
WAIT
SU00709A
tWTL
ALE
BUS STROBE
(WRL, WRH,
RD, OR PSEN)
tWTH
tCRAR
(The dashed line shows the strobe without WAIT.)
Figure 25. WAIT Signal Timing


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