參數(shù)資料
型號: XA-G49
廠商: NXP Semiconductors N.V.
英文描述: XA 16-bit microcontroller family 64K FLASH/2K RAM, watchdog, 2 UARTs
中文描述: 的XA 16位微控制器系列64K的FLASH/2K內(nèi)存,看門狗,2個UART
文件頁數(shù): 37/42頁
文件大小: 299K
代理商: XA-G49
Philips Semiconductors
Preliminary specification
XA-G49
XA 16-bit microcontroller family
64K Flash/2K RAM, watchdog, 2 UARTs
2000 Apr 03
37
t
UAWH
t
LLAX
ALE
MULTIPLEXED
ADDRESS
AND DATA
UNMULTIPLEXED
ADDRESS
WRL or WRH
A4–A11 or A4–A15
DATA OUT
*
A0 or A1–A3, A12–A19
t
LLWL
t
WLWH
t
AVLL
t
AVWL
t
QVWX
t
WHQX
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
t
WTL
ALE
BUS STROBE
(WRL, WRH,
RD, OR PSEN)
t
WTH
t
CRAR
(The dashed line shows the strobe without WAIT.)
Figure 25. WAIT Signal Timing
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