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P89C660HBA Datasheet(PDF) 84 Page - NXP Semiconductors |
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P89C660HBA Datasheet(HTML) 84 Page - NXP Semiconductors |
84 / 89 page Philips Semiconductors Product data P89C660/P89C662/P89C664/ P89C668 80C51 8-bit Flash microcontroller family 16KB/32KB/64KB ISP/IAP Flash with 512B/1KB/2KB/8KB RAM 2002 Oct 28 84 tRD tSU;STA tBUF tSU;STO 0.7 VCC 0.3 VCC 0.7 VCC 0.3 VCC tFD tRC tFC tHIGH tLOW tHD;STA tSU;DAT1 tHD;DAT tSU;DAT2 tSU;DAT3 START condition repeated START condition SDA (INPUT/OUTPUT) SCL (INPUT/OUTPUT) STOP condition START or repeated START condition SU00107A Figure 65. Timing SI01 (I2C) Interface VCC–0.5 0.45V 0.2VCC+0.9 0.2VCC–0.1 NOTE: AC inputs during testing are driven at VCC –0.5 for a logic ‘1’ and 0.45V for a logic ‘0’. Timing measurements are made at VIH min for a logic ‘1’ and VIL max for a logic ‘0’. SU00010 Figure 66. AC Testing Input/Output VLOAD VLOAD+0.1V VLOAD–0.1V VOH–0.1V VOL+0.1V NOTE: TIMING REFERENCE POINTS For timing purposes, a port is no longer floating when a 100mV change from load voltage occurs, and begins to float when a 100mV change from the loaded VOH/VOL level occurs. IOH/IOL ≥ ±20mA. SU00011 Figure 67. Float Waveform |
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