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fhigh-performance microcontroller units MCUs)
Description:
The M68HC11K Family of high-performance microcontroller units
(MCUs) offers a non-multiplexed expanded bus, high speed and low
power consumption. The fully static design allows operation at
frequencies from dc to 4 MHz.
This manual contains information concerning standard and
custom-ROM (read-only memory) devices. Standard devices include
those replacing the ROM with:
• Disabled ROM
• Disabled EEPROM (electrically erasable, programmable read-only memory)
• EPROM (erasable, programmable read-only memory)
• OTPROM (one-time progammable read-only memory)
Custom-ROM devices have a ROM array that is programmed at the
factory to customer specifications.
M68HC11K Family devices feature up to 62 input/output (I/O) lines
distributed among eight ports, A through H. The KS Family removes
seven pins from port G and four pins from port H for a total of 51 I/O
lines. The KSx versions feature a slow mode for the clocks to allow
power conservation.
Applications:
M68HC11K Family features include:
• 8-bit opcodes and data
• 16-bit addressing
• Two 8-bit accumulators, which can be concatenated to form one
16-bit accumulator
• On-board memory:
– 24 Kbytes or 32 Kbytes of ROM, EPROM, or OTPROM
– 768 bytes or 1 Kbyte of static RAM (random-access memory)
– 640 bytes of EEPROM
– 128-byte register block
• Dual-function I/O lines — Any pins used for the microcontroller’s
peripheral functions can be configured as general-purpose I/O lines.
• Non-multiplexed address and data buses
• 68HC11K4 offers:
– 1 Mbyte of address space, using on-chip memory mapping logic
– Four programmable chip selects (expanded modes)
• 16-bit timer system:
– Three input capture (IC) channels, record event timing by storing the value of the timing system’s 16-bit free-running counter when an input signal transition occurs.
– Four output compare (OC) channels, provide timed outputs by signaling when the free-running counter reaches a predetermined number.
– One IC or OC channel (software selectable)
• 8-bit pulse accumulator
• Four 8-bit pulse-width modulation (PWM) outputs
• Enhanced asynchronous serial communications interface (SCI)
• Enhanced synchronous serial peripheral interface (SPI)
• 8-channel, 8-bit, analog-to-digital (A/D) converter
• Computer operating properly (COP) watchdog system to guard
against infinite loops and other system problems
• Real-time interrupt timer
• Power-saving modes:
– Slow mode reduces power consumption by slowing down
internal operations.
– Wait mode shuts down various system features selected by
the user with power consumption typically dropping to
10–100 mW.
– Stop mode also shuts down system clocks, typically reducing
power consumption to about 1.5 mW.
• Package availability for ROM devices:
– K versions:
84-pin plastic leaded chip carrier (PLCC)
80-pin quad flat pack (QFP)
– KS versions:
68-pin plastic leaded chip carrier (PLCC)
80-pin low-profile quad flat pack (LQFP)
• Package availability for EPROM devices:
– K versions:
80-pin quad flat pack (QFP)
84-pin J-cerquad (ceramic windowed version of PLCC)
84-pin plastic leaded chip carrier (PLCC)
– KS versions:
68-pin J-cerquad (ceramic windowed version of PLCC)
80-pin low-profile quad flat pack (LQFP)
68-pin plastic leaded chip carrier (PLCC)
Specifications:
|
Datasheets |
M68HC11K Family |
|
Standard Package |
15 |
|
Category |
Integrated Circuits (ICs) |
|
Family |
Embedded - Microcontrollers |
|
Series |
HC11 |
|
Packaging |
Tube |
|
Core Processor |
HC11 |
|
Core Size |
8-Bit |
|
Speed |
3MHz |
|
Connectivity |
SCI, SPI |
|
Peripherals |
POR, PWM, WDT |
|
Number of I /O |
62 |
|
Program Memory Size |
24KB (24K x 8) |
|
Program Memory Type |
OTP |
|
EEPROM Size |
640 x 8 |
|
RAM Size |
768 x 8 |
|
Voltage - Supply (Vcc/Vdd) |
4.5 V ~ 5.5 V |
|
Data Converters |
A/D 8x8b |
|
Oscillator Type |
Internal |
|
Operating Temperature |
-40°C ~ 85°C |
|
Package / Case |
84-LCC (J-Lead) |
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