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80C554 Datasheet(PDF) 64 Page - NXP Semiconductors |
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80C554 Datasheet(HTML) 64 Page - NXP Semiconductors |
64 / 76 page Philips Semiconductors Preliminary specification 80C554/83C554/87C554 80C51 8-bit microcontroller – 6 clock operation 16K/512 OTP/ROM/ROMless, 7 channel 10 bit A/D, I2C, PWM, capture/compare, high I/O, 64L LQFP 2000 Nov 10 64 DC ELECTRICAL CHARACTERISTICS (Continued) VDD and Tamb minimum and maximum, per device specifications table. TEST LIMITS SYMBOL PARAMETER CONDITIONS MIN MAX UNIT Analog Inputs (Continued) AVIN Analog input voltage AVSS–0.2 AVDD+0.2 V AVREF Reference voltage: AVREF– AVSS–0.2 V AVREF+ AVDD+0.2 V RREF Resistance between AVREF+ and AVREF– 10 50 k Ω CIA Analog input capacitance 15 pF tADS Sampling time (10 bit mode) 8tCY µs tADS8 Sampling time (8 bit mode) 5tCY µs tADC Conversion time (including sampling time, 10 bit mode) 50tCY µs tADC8 Conversion time (including sampling time, 8 bit mode) 24tCY µs DLe Differential non-linearity10, 11, 12 ±1 LSB ILe Integral non-linearity10, 13 (10 bit mode) ±2 LSB ILe8 Integral non-linearity (8 bit mode) ±1 LSB OSe Offset error10, 14 (10 bit mode) ±2 LSB OSe8 Offset error (8 bit mode) ±1 LSB Ge Gain error10, 15 ±0.4 % Ae Absolute voltage error10, 16 ±3 LSB MCTC Channel to channel matching ±1 LSB Ct Crosstalk between inputs of port 517, 18 0–100 kHz –60 dB NOTES FOR DC ELECTRICAL CHARACTERISTICS: 1. See Figures 57 through 61 for IDD test conditions. 2. The operating supply current is measured with all output pins disconnected; XTAL1 driven with tr = tf = 10 ns; VIL = VSS + 0.5 V; VIH = VDD – 0.5 V; XTAL2 not connected; EA = RST = Port 0 = EW = VDD; STADC = VSS. 3. The idle mode supply current is measured with all output pins disconnected; XTAL1 driven with tr = tf = 10 ns; VIL = VSS + 0.5 V; VIH = VDD – 0.5 V; XTAL2 not connected; Port 0 = EW = VDD; EA = RST = STADC = VSS. 4. The power-down current is measured with all output pins disconnected; XTAL2 not connected; Port 0 = EW = VDD; EA = RST = STADC = XTAL1 = VSS. 5. The input threshold voltage of P1.6 and P1.7 (SIO1) meets the I2C specification, so an input voltage below 1.5 V will be recognized as a logic 0 while an input voltage above 3.0 V will be recognized as a logic 1. 6. Pins of ports 1 (except P1.6, P1.7), 2, 3, and 4 source a transition current when they are being externally driven from 1 to 0. The transition current reaches its maximum value when VIN is approximately 2 V. 7. Capacitive loading on ports 0 and 2 may cause spurious noise to be superimposed on the VOLs of ALE and ports 1 and 3. The noise is due to external bus capacitance discharging into the port 0 and port 2 pins when these pins make 1-to-0 transitions during bus operations. In the worst cases (capacitive loading > 100 pF), the noise pulse on the ALE pin may exceed 0.8 V. In such cases, it may be desirable to qualify ALE with a Schmitt Trigger, or use an address latch with a Schmitt Trigger STROBE input. IOL can exceed these conditions provided that no single output sinks more than 5 mA and no more than two outputs exceed the test conditions. 8. Capacitive loading on ports 0 and 2 may cause the VOH on ALE and PSEN to momentarily fall below the 0.9 VDD specification when the address bits are stabilizing. 9. The following condition must not be exceeded: VDD – 0.2 V < AVDD < VDD + 0.2 V. 10. Conditions: AVREF– = 0 V; AVDD = 5.0 V. Measurement by continuous conversion of AVIN = –20 mV to 5.12 V in steps of 0.5 mV, deriving parameters from collected conversion results of ADC. AVREF+ (87C554) = 5.12 V. ADC is monotonic with no missing codes. 11. The differential non-linearity (DLe) is the difference between the actual step width and the ideal step width. (See Figure 48.) 12. The ADC is monotonic; there are no missing codes. 13. The integral non-linearity (ILe) is the peak difference between the center of the steps of the actual and the ideal transfer curve after appropriate adjustment of gain and offset error. (See Figure 48.) 14. The offset error (OSe) is the absolute difference between the straight line which fits the actual transfer curve (after removing gain error), and a straight line which fits the ideal transfer curve. (See Figure 48.) 15. The gain error (Ge) is the relative difference in percent between the straight line fitting the actual transfer curve (after removing offset error), and the straight line which fits the ideal transfer curve. Gain error is constant at every point on the transfer curve. (See Figure 48.) 16. The absolute voltage error (Ae) is the maximum difference between the center of the steps of the actual transfer curve of the non-calibrated ADC and the ideal transfer curve. 17. This should be considered when both analog and digital signals are simultaneously input to port 5. 18. This parameter is guaranteed by design and characterized, but is not production tested. |
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