M68HC11ERG

M68HC11ERG - Freescale Semiconductor Reference Guide...

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© Freescale Semiconductor, Inc., 2005. All rights reserved. Freescale Semiconductor Reference Guide M68HC11ERG Rev. 2.1, 07/2005 M68HC11E Series Programming Reference Guide Block Diagram PC7/ADDR7/DATA7 PC6/ADDR6/DATA6 PC5/ADDR5/DATA5 PC4/ADDR4/DATA4 PC3/ADDR3/DATA3 PC2/ADDR2/DATA2 PC1/ADDR1/DATA1 PC0/ADDR0/DATA0 MODE CONTROL OSC CLOCK LOGIC INTERRUPT LOGIC EEPROM (SEE TABLE) RAM (SEE TABLE) SERIAL PERIPHERAL INTERFACE SPI SERIAL COMMUNICATION INTERFACE SCI M68HC11 CPU A/D CONVERTER CONTROL PORT D PORT E PE7/AN7 TxD RxD SS SCK MOSI MISO PD5/SS PD0/RxD STRA/AS STRB/R/W ADDRESS/DATA BUS EXPANSION ADDRESS AS STROBE AND HANDSHAKE PARALLEL I/O STRB STRA CONTROL PORT C PORT B PB7/ADDR15 PORT A PA7/PAI TIMER SYSTEM COP PULSE ACCUMULATOR OC2 OC3 OC4 OC5/IC4/OC1 IC1 IC2 IC3 PAI PERIODIC INTERRUPT MODA/ LIR MODB/ V STBY XTAL EXTAL E IRQ XIRQ /V PPE* RESET PD4/SCK PD3/MOSI PD2/MISO PD1/TxD R/W PA6/OC2/OC1 PA5/OC3/OC1 PA4/OC4/OC1 PA3/OC5/IC4/OC1 PA2/IC1 PA1/IC2 PA0/IC3 PB6/ADDR14 PB5/ADDR13 PB4/ADDR12 PB3/ADDR11 PB2/ADDR10 PB1/ADDR9 PB0/ADDR8 PE6/AN6 PE5/AN5 PE4/AN4 PE3/AN3 PE2/AN2 PE1/AN1 PE0/AN0 V DD V SS V RH V RL * V PPE applies only to devices with EPROM/OTPROM. ROM OR EPROM (SEE TABLE) MC68HC11E0 DEVICE 512 512 512 512 768 768 RAM 12 K 20 K ROM 12 K 20 K EPROM 512 512 512 512 512 EEPROM MC68HC11E1 MC68HC11E9 MC68HC711E9 MC68HC11E20 MC68HC711E20 256 2048 MC68HC811E2
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M68HC11E Series Programming Reference Guide, Rev. 2.1 2 Freescale Semiconductor Devices Covered in This Reference Guide Devices Covered in This Reference Guide M68HC11E Series Programming Model Device RAM ROM EPROM EEPROM MC68HC11E0 512 MC68HC11E1 512 512 MC68HC11E9 512 12K 512 MC68HC711E9 512 12K 512 MC68HC11E20 768 20K 512 MC68HC711E20 768 10K 512 MC68HC811E2 256 2048 8-BIT ACCUMULATORS A & B 70 15 0 AB D IX IY SP PC C V Z N I H X S OR 16-BIT DOUBLE ACCUMULATOR D INDEX REGISTER X INDEX REGISTER Y STACK POINTER PROGRAM COUNTER CARRY/BORROW FROM MSB OVERFLOW ZERO NEGATIVE I-INTERRUPT MASK HALF CARRY (FROM BIT 3) X-INTERRUPT MASK STOP DISABLE CONDITION CODES
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Crystal Dependent Timer Summary M68HC11E Series Programming Reference Guide, Rev. 2.1 Freescale Semiconductor 3 Crystal Dependent Timer Summary Selected Crystal Common XTAL Frequencies 4.0 MHz 8.0 MHz 12.0 MHz CPU Clock (E) 1.0 MHz 2.0 MHz 3.0 MHz Cycle Time (1/E) 1000 ns 500 ns 333 ns Pulse Accumulator (in Gated Mode) (E/2 6 ) (E/2 14 ) 1 count — overflow — 64.0 µ s 16.384 ms 32.0 µ s 8.192 ms 21.330 µ s 5.491 ms PR[1:0] Main Timer Count Rates (E/1) (E/2 16 ) 0 0 1 count — overflow — 1.0 µ s 65.536 ms 500 ns 32.768 ms 333 ns 21.845 ms (E/4) (E/2 18 ) 0 1 1 count — overflow — 4.0 µ s 262.14 ms 2.0 µ s 131.07 ms 1.333 µ s 87.381 ms (E/8) (E/2 19 ) 1 0 1 count — overflow — 8.0 µ s 524.29 ms 4.0 µ s 262.14 ms 2.667 µ s 174.76 ms (E/16) (E/2 20 ) 1 1 1 count — overflow — 16.0 µ s 1.049 s 8.0 µ s 524.29 ms 5.333 µ s 349.52 ms RTR[1:0] Periodic (RTI) Interrupt Rates (E/2 13 ) (E/2 14 ) (E/2 15 ) (E/2 16 ) 0 0 0 1 1 0 1 1 8.192 ms 16.384 ms 32.768 ms 65.536 ms 4.096 ms 8.192 ms 16.384 ms 32.768 ms 2.731 ms 5.461 ms 10.923 ms 21.845 ms CR[1:0] COP Watchdog Timeout Rates (E/2 15 ) (E/2 17 ) (E/2 19 ) (E/2 21 ) 0 0 0 1 1 0 1 1 32.768 ms 131.072 ms 524.288 ms 2.097 s 16.384 ms 65.536 ms 262.14 ms 1.049 s 10.923 ms 43.691 ms 174.76 ms 699.05 ms (E/2 15 ) Timeout tolerance (–0 ms/+. ..) 32.8 ms 16.4 ms 10.9 ms
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M68HC11E Series Programming Reference Guide, Rev. 2.1
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M68HC11ERG - Freescale Semiconductor Reference Guide...

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