8-bit Microcontrollers
MC9S08LL64/36
Target Applications
• Battery-operated hand-held devices
• Portable health care devices
• Thermostats
• Alarms/clocks
• Exercise equipment
• Personal diagnostics
• Low-end utility metering
• Scrolling text displays
• Small appliances
Overview
Freescale expands the industry’s best-in-class
ultra-low-power MCU with LCD driver. The
MC9S08LL64/36 helps you reach your target
performance levels while minimizing power
consumption in your design, demonstrating
extreme energy efficiency for ultra-long
operation in battery-powered applications.
9S08LL64/36 Block Diagram
32K Flash
32K Flash
S08 Core
4K RAM
w/MMU
Array
Array
BDM
8 x 36 = 288
LCD Driver
ACMP
COP
TOD
LVD
KBI
SPI
S08
2 x 2-ch., 16-bit
10-ch., 12-bit
2 x SCI
VREF
ADC
TPM
ICS
I
2
C
• Internal charge pump
• Front plane (FP) and black plane (BP) re-assignments
Features
S08 Central Processor Unit (CPU)
• Up to 40 MHz CPU at 3.6V to 2.1V
• Up to 20 MHz CPU at 2.1V to 1.8V across temperature range of
• HCS08 instruction set with added BGND instruction
Enablement and Development Support
• Low-cost, reconfigurable Tower evaluation and demonstration
• Breakpoint capability
• ICE debug module containing three comparators and nine trigger
• Migration path from smaller flash size devices (LL16)
Power-Saving Features
• Two ultra-low-power stop modes, one of which allows limited
• New low-power run and wait modes
• 6 μs typical wake-up time from stop mode
• Internal clock source (ICS)—module containing a frequency-
• Ultra-low-power oscillator (OSC)
• Clock gating disables clocks to unused peripherals
LCD Driver and Internal Charge Pump
• Integrated LCD driver supports both standard 3V and 5V LCD glass
• Configurable display for 8 x 36 or 4 x 40 segment display
• Low-power blinking mode
-40°C to +85°C
platform
modes. Eight deep FIFO for storing change-of-flow addresses
and event-only data—debug module supports both tag and force
breakpoints.
use of peripherals
locked loop (FLL) controlled by internal or external reference
• Provides option to run off a single supply, a dual supply for sustained
• FP and BP can be software selectable, making layout an easier task
Benefits
• Offers high performance, even at low voltage levels for battery-
• Provides bus speed operation of 10 MHz from 1.8V to 3.6V
• Easy to learn and use
• Backward object code compatibility with 68HC08 and 68HC05 for
• Allows for efficient, compact module coding in assembly or
• BGND allows user to enter background debug mode that takes
• Speeds time to market and enables advanced development
• Allows single breakpoint setting during in-circuit debugging (plus
two more breakpoints in on-chip debug module)
• Provides built-in full emulation without expense of
• Speeds time to market with pin to pin compatibility and shared
• Allows continued application sampling in a reduced power state,
• Allows use of all chip peripherals in a low-power state
• Enables faster execution out of stop modes
• Provides choice of frequencies on the fly
• Reducing frequency saves current
• Accurate timebase in low-power modes
• Provides flexibility to turn off individual modules
• Reduces power consumption
• Gives you flexibility when selecting the ideal glass for your
• Does not require expensive “chip-on-glass” display
• Up to eighteen-character alphanumeric display (sixteen segment
• Allows high mix of numbers, text and icons
• Low-power blinking mode does not require CPU intervention
• Can be activated and CPU can go to sleep, but segments will
contrast or a customized implementation of contrast control
and very flexible for design changes
operated applications
reuse of existing libraries
C compiler
advantage of the on-chip in-circuit emulator (ICE)
through rapid prototyping
traditional simulator
software drivers
which extends battery life
application with respect to display quality, cost and power
based), perfect for scrolling text with simple display
remain blinking at the pre-set frequency. Plus, an alternate display
feature can be activated to display alternate data (i.e., to blink
temperature and time).
TOWER SYSTEM