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PXAS30 数据表(PDF) 45 Page - NXP Semiconductors |
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PXAS30 数据表(HTML) 45 Page - NXP Semiconductors |
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45 / 52 page ![]() Philips Semiconductors Preliminary specification XA-S3 XA 16-bit microcontroller 32 K/1 K OTP/ROM/ROMless, 8-channel 8-bit A/D, low voltage (2.7 V–5.5 V), I2C, 2 UARTs, 16 MB address range 2000 Dec 01 45 tCHWL tCHWH tLLWL tWLWH tAVLL tLLAX tQVWX tCHQX tWHQX tAVWL tUAWH 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). tQVCH SU00945 tCHQZ Figure 30. External Data Memory Write Cycle XTAL1 ADDRESS BUS WAIT SU01068 tWTL ALE BUS STROBE (WRL, WRH, RD, OR PSEN) tWTH tCRAR (The dashed line shows the strobe without WAIT.) tCHWTH tCHWTL Figure 31. WAIT Signal Timing |
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