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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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P80C32 数据表(PDF) 26 Page - NXP Semiconductors |
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P80C32 数据表(HTML) 26 Page - NXP Semiconductors |
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26 / 62 page  Philips Semiconductors Product data P80C3xX2; P80C5xX2; P87C5xX2 80C51 8-bit microcontroller family 4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V), low power, high speed (30/33 MHz) 2003 Jan 24 26 80C51 Internal Bus SBUF Zero Detector D Q S CL Write to SBUF TX Control TX Clock Send Shift Start S6 RX Control Start Shift Receive RX Clock T1 R1 Serial Port Interrupt 1 1 1 1 1 1 1 0 Input Shift Register REN RI Load SBUF Shift Shift Clock RxD P3.0 Alt Output Function TxD P3.1 Alt Output Function SBUF Read SBUF 80C51 Internal Bus RxD P3.0 Alt Input Function Write to SBUF S6P2 Send Shift RxD (Data Out) D0 D1 D2 D3 D4 D5 D6 D7 Transmit TxD (Shift Clock) TI S3P1 S6P1 Write to SCON (Clear RI) RI Receive Shift RxD (Data In) D0 D1 D2 D3 D4 D5 D6 TxD (Shift Clock) S5P2 Receive D7 ALE S4 . . S1 S6 . . . . S1 S6 . . . . S1 S6 . . . . S1 S6 . . . . S1 S6 . . . . S1 S6 . . . . S1 S6 . . . . S1 S6 . . . . S1 S6 . . . . S1 S6 . . . . S1 SU00539 LSB LSB MSB MSB Figure 14. Serial Port Mode 0 |
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