Inhaltszusammenfassung zur Seite Nr. 1
80C51FA/83C51FA
EVENT-CONTROL CHMOS SINGLE-CHIP
8-BIT MICROCONTROLLER
Automotive
Y Y
Extended Automotive Programmable Serial Channel with:
Temperature Range - Framing Error Detection
b a
( 40 Cto 125 C Ambient) - Automatic Address Recognition
§ §
Y Y
High Performance CHMOS Process TTL and CMOS Compatible Logic
Levels
Y
Three 16-Bit Timer/Counters
Y
- Timer 2 is an Up/Down 64K External Program Memory Space
Timer/Counter
Y
64K External Data Memory Space
Y
Programmable Counter Array with:
Y
MCSÉ 5
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AUTOMOTIVE 80C51FA/83C51FA 270501±1 Figure 1. 83C51FA Block Diagram 2
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-40°C to +125°C AUTOMOTIVE 80C51FA/83C51FA temperature range of 0 C to 70 C ambient. With the ° ° 80C51FA/83C51FA PRODUCT extended temperature range option, operational OPTIONS characteristics are guaranteed over the temperature range of -40 °C to + 85°C ambient. For the automo- Intel’s extended and automotive temperature range tive temperature range option, operational charac- products are designed to meet the needs of those teristics are guaranteed over the temperature range applications whos
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AUTOMOTIVE 80C51FA/83C51FA PIN DESCRIPTIONS Port Pin Alternate Function V : Supply voltage. P1.0 T2 (External Count Input to Timer/ CC Counter 2) V : Circuit ground. SS P1.1 T2EX (Timer/Counter 2 Capture/ Reload Trigger and Direction Control) Port 0: Port 0 is an 8-bit, open drain, bidirectional P1.2 ECI (External Count Input to the PCA) I/O port. As an output port each pin can sink several LS TTL inputs. Port 0 pins that have 1's written to P1.3 CEX0 (External I/O for Compare/ them float, and i
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AUTOMOTIVE 80C51FA/83C51FA @ addresses (MOVX Ri), Port 2 emits the contents of EA/V : External Access enable. EA must be PP the P2 Special Function Register. strapped to V in order to enable the device to SS fetch code from external Program Memory locations Port 3: Port 3 is an 8-bit bidirectional I/O port with 0000H to 0FFFFH. Note, however, that if either of internal pullups. The Port 3 output buffers can drive the Program Lock bits are programmed, EA will be LS TTL inputs. Port 3 pins that ha
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AUTOMOTIVE 80C51FA/83C51FA restored to its normal operating level and must be held active long enough for the oscillator to restart and stabilize (normally less than 10 ms). With an external interrupt, INT0 or INT1 must be en- abled and configured as level-sensitive. Holding the pin low restarts the oscillator but bringing the pin back high completes the exit. Once the interrupt is serviced, the next instruction to be executed after RETI will be the one following the instruction that put 270501±
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AUTOMOTIVE 80C51FA/83C51FA ABSOLUTE MAXIMUM RATINGS* NOTICE: This is a production data sheet. The specifi- cations are subject to change without notice. Ambient Temperature *WARNING: Stressing the device beyond the ``Absolute Under Bias...................................-40°C to +125°C Maximum Ratings'' may cause permanent damage. Storage Temperature.......................-65°C to +150°C These are stress ratings only. Operation beyond the ``Operating Conditions'' is not recommended and ex- Volta
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AUTOMOTIVE 80C51FA/83C51FA eb a e e DC CHARACTERISTICS: (T 40 Cto 125 C; V 5V g10%; V 0V) (Continued) § § A CC SS Symbol Parameter Min Typ Max Unit Test Conditions b b e I Logical 1 to 0 Transition Current 265 650 mAV 2V TL IN (Ports 1, 2, and 3) RRST RST Pulldown Resistor 40 100 225 KX @ CIO Pin Capacitance 10 pF 1MHz, 25 C § I Power Supply Current: (Note 3) CC Running at 12 MHz (Figure 5) 40 mA Idle Mode at 12 MHz (Figure 5) 15 mA Power Down Mode (I ) 150 mA PD NOTES: 1. Capacitive loa
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AUTOMOTIVE 80C51FA/83C51FA 270501±7 I Max at other frequencies is given by: CC Active Mode 270501±8 e c a e e I Max (3 Osc Freq) 4 TCLCH TCHCL 5ns CC Idle Mode e c a I Max (0.49 Osc Freq) 1.6 CC Figure 7. I Test Condition, Active Mode CC Where Osc Freq is in MHz, I is in mA. CC All other pins disconnected. Figure 6. I vs Frequency CC 270501±10 Figure 9. I Test Condition, CC 270501±9 Power Down Mode. e e TCLCH TCHCL 5ns All other pins disconnected. Figure 8. I Test Condition Idle Mode. e V 2.0V t
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AUTOMOTIVE 80C51FA/83C51FA L: Logic level LOW, or ALE EXPLANATION OF THE AC SYMBOLS P: PSEN Q: Output Data Each timing symbol has 5 characters. The first char- R: RD signal acter is always a `T' (stands for time). The other T: Time characters, depending on their positions, stand for V: Valid the name of a signal or the logical status of that W: WR signal signal. The following is a list of all the characters and X: No longer a valid logic level what they stand for. Z: Float A: Address For example
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AUTOMOTIVE 80C51FA/83C51FA EXTERNAL PROGRAM MEMORY READ CYCLE 270501±12 EXTERNAL DATA MEMORY READ CYCLE 270501±13 EXTERNAL DATA MEMORY WRITE CYCLE 270501±14 11
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AUTOMOTIVE 80C51FA/83C51FA SERIAL PORT TIMING-SHIFT REGISTER MODE eb a e e e Test Conditions: T 40 Cto 125 C; V 5V g10%; V 0V; Load Capacitance 80 pF § § A CC SS 12 MHz Oscillator Variable Oscillator Symbol Parameter Units Min Max Min Max T Serial Port Clock Cycle Time 1 12T ms XLXL CLCL b T Output Data Setup to Clock 700 10T 133 ns QVXH CLCL Rising Edge b T Output Data Hold after 50 2T 117 ns XHQX CLCL Clock Rising Edge T Input Data Hold After Clock 0 0 ns XHDX Rising Edge b T Clock Rising Edge
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AUTOMOTIV E 80C51FA/83C51FA A C TESTIN G INPUT , OUTPU T WAVEFORMS FLOA T WAVEFORMS 270501±18 270501±17 For timing purposes a port pin is no longer floating when a b AC Inputs during testing are driven at V 0.5V for a Logic ``1'' CC 100 mV change from load voltage occurs, and begins to float and 0.45V for a Logic ``0''. Timing measurements are made at V IH when a 100 mV change from the loaded V /V level occurs. OH OL min for a Logic ``1'' and V max for a Logic ``0''. OL t I /I g 20 mA. This is f
