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PDF MC68HC11A8 Data sheet ( Hoja de datos )
| Número de pieza | MC68HC11A8 | |
| Descripción | HCMOS Single-Chip Microcontroller | |
| Fabricantes | Motorola Semiconductors | |
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MC68HC11A8
HCMOS Single-Chip Microcontroller
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability
of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and
all liability, including without limitation consequential or incidental damages. "Typical" parameters can and do vary in different applications. All operating parameters, including
"Typicals" must be validated for each customer application by customer's technical experts. Motorola does not convey any license under its patent rights nor the rights of others.
Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to
support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury or death may occur. Should Buyer
purchase or use Motorola products for any such unintended or unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries,
affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal
injury or death associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part.
MOTOROLA and the Motorola logo are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer.
© MOTOROLA, INC. 1996
1 page  
6.2.4
6.3
6.4
6.4.1
6.4.2
6.4.3
Slave Select (SS) .............................................................................. 6-2
Functional Description ............................................................................... 6-3
SPI Registers ............................................................................................ 6-4
Serial Peripheral Control Register (SPCR) ....................................... 6-4
Serial Peripheral Status Register (SPSR) ......................................... 6-5
Serial Peripheral Data l/O Register (SPDR) ...................................... 6-6
7 ANALOG-TO-DIGITAL CONVERTER
7.1 Conversion Process .................................................................................. 7-1
7.2 Channel Assignments ............................................................................... 7-1
7.3 Single-Channel Operation ......................................................................... 7-2
7.4 Multiple-Channel Operation ....................................................................... 7-2
7.5 Operation in STOP and WAIT Modes ....................................................... 7-3
7.6 A/D Control/Status Register (ADCTL) ....................................................... 7-3
7.7 A/D Result Registers 1, 2, 3, and 4 (ADR1, ADR2, ADR3, and ADR4) .... 7-5
7.8 A/D Power-Up and Clock Select ............................................................... 7-5
8 PROGRAMMABLE TIMER, RTI, AND PULSE ACCUMULATOR
8.1
8.1.1
8.1.2
8.1.3
8.1.4
8.1.5
8.1.6
8.1.7
8.1.8
8.1.9
8.1.10
8.1.11
8.1.12
8.1.13
8.2
8.3
8.3.1
Programmable Timer ................................................................................. 8-1
Counter .............................................................................................. 8-1
Input Capture ..................................................................................... 8-1
Output Compare ................................................................................ 8-2
Output Compare 1 I/O Pin Control .................................................... 8-2
Timer Compare Force Register (CFORC) ......................................... 8-3
Output Compare 1 Mask Register (OC1M) ....................................... 8-3
Output Compare 1 Data Register (OC1D) ........................................ 8-4
Timer Control Register 1 (TCTL1) ..................................................... 8-4
Timer Control Register 2 (TCTL2) ..................................................... 8-5
Timer Interrupt Mask Register 1 (TMSK1) ........................................ 8-5
Timer Interrupt Flag Register 1 (TFLG1) ........................................... 8-5
Timer Interrupt Mask Register 2 (TMSK2) ........................................ 8-6
Timer Interrupt Flag Register 2 (TFLG2) ........................................... 8-7
Real-Time Interrupt ................................................................................... 8-8
Pulse Accumulator .................................................................................... 8-8
Pulse Accumulator Control Register (PACTL) .................................. 8-8
9 RESETS, INTERRUPTS, AND LOW POWER MODES
9.1 Resets ....................................................................................................... 9-1
9.1.1
External RESET Pin .......................................................................... 9-1
9.1.2
Power-On Reset ................................................................................ 9-1
9.1.2.1
CPU ........................................................................................... 9-2
9.1.2.2
Memory Map ............................................................................. 9-3
9.1.2.3
Parallel l/O ................................................................................. 9-3
9.1.2.4
Timer ......................................................................................... 9-3
9.1.2.5
Real-Time Interrupt ................................................................... 9-4
MC68HC11A8
TECHNICAL DATA
MOTOROLA
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5 Page 
LIST OF TABLES
Table
Page
1-1 M68HC11 Family Devices ..................................................................................... 1-4
2-1 Operating Modes vs. MODA and MODB ............................................................... 2-3
2-2 Port Signal Summary............................................................................................. 2-7
2-3 Bootstrap Mode Interrupt Vectors.......................................................................... 2-9
3-1 Register and Control Bit Assignments ................................................................... 3-2
4-1 Handshake l/O Operations Summary .................................................................... 4-4
5-1 First Prescaler Stage ........................................................................................... 5-11
5-2 Second Prescaler Stage ...................................................................................... 5-12
5-3 Prescaler Highest Baud Rate Frequency Output................................................. 5-12
5-4 Transmit Baud Rate Output for a Given Prescaler Output .................................. 5-13
6-1 Serial Peripheral Rate Selection............................................................................ 6-5
7-1 Analog-to-Digital Channel Assignments ................................................................ 7-4
8-1 Real Time Interrupt Rate versus RTR1 and RTR0 ................................................ 8-9
9-1 COP Timeout Period versus CR1 and CR0........................................................... 9-5
9-2 IRQ Vector Interrupts............................................................................................. 9-8
9-3 Interrupt Vector Assignments ................................................................................ 9-8
9-4 SCI Serial System Interrupts ................................................................................. 9-9
9-5 Mode Bits Relationship ........................................................................................ 9-11
9-6 Highest Priority I Interrupt versus PSEL[3:0] ....................................................... 9-17
9-7 Pin State Summary for RESET, STOP, and WAIT.............................................. 9-18
10-1 MC68HC11A8 Instructions, Addressing Modes, and Execution Times............. 10-6
10-2 Cycle-by-Cycle Operation — Inherent Mode ................................................... 10-13
10-3 Cycle-by-Cycle Operation — Immediate Mode ............................................... 10-16
10-4 Cycle-by-Cycle Operation — Direct Mode....................................................... 10-16
10-5 Cycle-by-Cycle Operation — Extended Mode ................................................. 10-18
10-6 Cycle-by-Cycle Operation — Indexed X Mode ................................................ 10-19
10-7 Cycle-by-Cycle Operation — Indexed Y Mode ................................................ 10-21
10-8 Cycle-by-Cycle Operation — Relative Mode ................................................... 10-22
A-1 Maximum Rating ................................................................................................... A-1
A-2 Thermal Characteristics ........................................................................................ A-1
A-3 DC Electrical Characteristics................................................................................. A-2
A-3 DC Electrical Characteristics (MC68L11A8) ........................................................ A-3
A-4 Control Timing ....................................................................................................... A-5
A-4 Control Timing (MC68L11A8) ............................................................................... A-6
A-5 Peripheral Port Timing......................................................................................... A-12
A-5 Peripheral Port Timing (MC68L11A8) ................................................................ A-13
A-6 Analog-To-Digital Converter Characteristics ....................................................... A-17
A-6 Analog-To-Digital Converter Characteristics (MC68L11A8) ............................... A-18
A-7 Expansion Bus Timing......................................................................................... A-19
A-7 Expansion Bus Timing (MC68L11A8) ................................................................ A-20
A-8 Serial Peripheral Interface (SPI) Timing.............................................................. A-22
A-8 Serial Peripheral Interface (SPI) Timing (MC68L11A8) ..................................... A-23
MC68HC11A8
TECHNICAL DATA
MOTOROLA
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