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P87C552 датащи(PDF) 70 Page - NXP Semiconductors |
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P87C552 датащи(HTML) 70 Page - NXP Semiconductors |
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70 / 74 page ![]() Philips Semiconductors Preliminary specification P87C552 80C51 8-bit microcontroller 8K/256 OTP, 8 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O, low voltage (2.7V–5.5V), low power 1999 Mar 30 70 16 12 8 4 12 416 8 f (MHz) IDD mA 20 0 0 SU01116 MAXIMUM ACTIVE MODE TYPICAL ACTIVE MODE MAXIMUM IDLE MODE TYPICAL IDLE MODE Figure 56. 16MHz Version Supply Current (IDD) as a Function of Frequency at XTAL1 (fOSC) VDD P0 EA RST XTAL1 XTAL2 VSS VDD VDD VDD IDD (NC) CLOCK SIGNAL VDD P1.6 P1.7 STADC AVSS AVref– EW SU00218 Figure 57. IDD Test Condition, Active Mode All other pins are disconnected1 1. Active Mode: a. The following pins must be forced to VDD: EA, RST, Port 0, and EW. b. The following pins must be forced to VSS: STADC, AVss, and AVref–. c. Ports 1.6 and 1.7 should be connected to VDD through resistors of sufficiently high value such that the sink current into these pins cannot exceed the IOL1 spec of these pins. d. The following pins must be disconnected: XTAL2 and all pins not specified above. |
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