HT83C51DC HONEYWELL [Honeywell Solid State Electronics Center], HT83C51DC Datasheet
HT83C51DC
Related parts for HT83C51DC
HT83C51DC Summary of contents
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TM HTMOS High Temperature Products HIGH TEMPERATURE 83C51 MICROCONTROLLER FEATURES • HTMOS Specified Over -55 to +225 C • 8-bit CPU Optimized For 5 Volt Control Applications • Four 8-bit Bidirectional Parallel Ports • Three 16-bit Timer/Counters with One Up/Down ...
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HT83C51 FUNCTIONAL BLOCK DIAGRAM B B Register Register PSENn ALE EAn RST Osc. XTAL1 XTAL2 P2.0 - P2.7 P0.0 - P0.7 Port O Port 2 Drivers Drivers Port O Port 2 RAM Latch Latch Stack ACC Pointer TMP2 TMP1 Special ...
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PIN DESCRIPTIONS +5V Supply Voltage Circuit Ground Port 0 (P0.0 - P0.7): Port 8-bit bidirectional I/O port. If external Program and/or Data memory are used, port 0 cannot be used for ...
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HT83C51 OSCILLATOR CHARACTERISTICS The input is XTAL1 and the output is XTAL2 for an inverting amplifier which can be used as an on-chip oscillator as shown in Figure 1. Make sure to qualify the crystal or alternate timing source over ...
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PCA COUNTER /TIMER The Programmable Counter Array (PCA) contains a single 16-bit counter/timer made up of the CL and CH registers. This timer is used by all 5 capture/compare modules. Its clock input can be programmed to be from one ...
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HT83C51 DC CHARACTERISTICS ...
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EXTERNAL PROGRAM AND DATA MEMORY CHARATERISTICS Symbol Parameter TCLCL Clock Period 1/TCLCL Oscillator Frequency TLHLL ALE Pulse Width TAVLL Address Valid to ALE Low TLLAX Address hold after ALE low TLLIV ALE low to Valid Instruction In TLLPL ALE Low ...
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HT83C51 EXTERNAL PROGRAM MEMORY READ CYCLE TLHLL ALE TAVLL PSENn PORT 0 PORT 2 EXTERNAL DATA MEMORY READ CYCLE ALE TLHLL PSENn RDn TAVLL from RI or DPL PORT 0 PORT 2 EXTERNAL DATA MEMORY WRITE CYCLE ...
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SERIAL PORT TIMING CHARACTERISTICS—SHIFT REGISTER MODE (MODE 0) Symbol Parameter TXLXL Serial Port Clock Period TQVXH Output Data Setup to Clock Rising Edge TXHQX Output Data Hold after Clock Rising Edge TXHDX Input Data Hold after Clock Rising Edge TXHDV ...
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HT83C51 PERFORMANCE CURVES OVER TEMPERATURE -100 0 100 Temperature ( C) Maximum frequency vs. temperature Frequency (MHz) Operating current vs. frequency vs. temperature 5.0 ...
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PROGRAMMING THE MASK ROM The HT83C51 has 8K bytes of on-chip mask program- mable ROM. The part is usable with or without this memory space personalised. Once the designer’s code has been finalized, the ROM information can be transmitted to ...
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... Rev. B 4-98 D Right Reading E on Lid (pitch) Assumes static air convection jc ................................... 0.9 C/W ja .................................. 32.8 C/W HT83C51DC C - Indicates screening level B = High Temperature Class Commercial C All dimensions in inches A 0.175 (max) b 0.018 ± 0.002 eA b2 0.050 typ C 0.010 ± 0.002 D 2.000 ± ...