參數(shù)資料
型號(hào): PXAS31KFBE
廠商: NXP SEMICONDUCTORS
元件分類: 微控制器/微處理器
英文描述: XA 16-bit microcontroller 32K/1K OTP/ROM/ROMless, 8-channel 8-bit A/D, low voltage 2.7 V.5.5 V, I2C, 2 UARTs, 16MB address range
中文描述: 16-BIT, OTPROM, 30 MHz, MICROCONTROLLER, PQFP80
封裝: 12 X 12 MM, 1.40 MM HEIGHT, PLASTIC, SOT-315-1, LQFP-80
文件頁數(shù): 45/52頁
文件大?。?/td> 281K
代理商: PXAS31KFBE
Philips Semiconductors
XA 16-bit microcontroller
32K/1K OTP/ROM/ROMless, 8-channel 8-bit A/D, low voltage (2.7 V–5.5 V),
I
2
C, 2 UARTs, 16 MB address range
Preliminary specification
XA-S3
2000 Mar 09
45
t
CHWL
t
CHWH
t
LLWL
t
WLWH
t
AVLL
t
LLAX
t
QVWX
t
CHQX
t
WHQX
t
AVWL
t
UAWH
CLKOUT
ALE
WR
Multiplexed
Address and Data
Unmultiplexed
Address
A4–A11 or A4–A23
DATA OUT*
A0 or A1–A3, A12–A23
*DATA OUT is either D0–D7 or D0–D15, depending on the bus width (8 or 16 bits).
t
QVCH
SU00945
t
CHQZ
Figure 30. External Data Memory Write Cycle
XTAL1
ADDRESS BUS
WAIT
SU01068
t
WTL
ALE
BUS STROBE
(WRL, WRH,
RD, OR PSEN)
t
WTH
t
CRAR
(The dashed line shows the strobe without WAIT.)
t
CHWTH
t
CHWTL
Figure 31. WAIT Signal Timing
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