MC9RS08KA2CDB Datasheet PDF - NXP

Overview

●RS08KA microcontrollers (MCUs) are general-purpose 8-bit devices for the ultra-low-end market. Featuring RS08 architecture, RS08KA devices are specifically crafted to be more efficient and cost effective for small memory size microcontrollers. The MC9RS08KA MCU is a general-purpose device that can be used in a wide variety of applications, including high-brightness light-emitting diodes (LEDs), lighting system controls, small handheld devices, toys, AC line voltage monitoring and simple logic, analog drivers and ASIC replacements. It’s ideal for transitioning from solid-state relays and switching systems to a full electronic solution.

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●## Features

●### 8-bit RS08 Central Processor Unit (CPU)

● Up to 10 MHz (bus frequency) RS08 CPU at 1.8 volts for 100 ns minimum instruction time

● Subset of HC08 instruction set with added BGND instruction

● Supports tiny/short address mode

● Index addressing scheme through memory mapped registers X and D[X] within the tiny address range

● 14 byte code-efficient RAM

● X and D[X] mapped within code-efficient tiny address space

● 16 byte code-efficient peripheral register space

● Page window

● Simplified interrupt mechanism

● Subroutine call/return mechanism

●### Integrated Third-Generation Flash

● Extremely fast, byte-writable programming— up to 20 µs/byte

● Offers 1 KB write/erase cycles minimum over temperature

●### Flexible Clock Options

● Internal clock source module containing a frequency-locked loop (FLL) controlled by internal or external reference

● Precision trimming of internal reference allows typical 0.2 percent resolution and +1 percent to -1 percent deviation over operating temperature and voltage

● Internal reference clock can be trimmed from 31.25 kHz to 39.065 kHz, allowing for maxim 10 MHz Bus frequency output

●### Timer

● 2 x 8-bit modulo timer with 8-bit prescaler

● 2-ch., 16-bit timer/PWM

● Allows external timer clock source

●### ADC

● 12-ch., 10-bit resolution

● 2.5 µs conversion time; automatic compare function

● Trigger conversion using RTI counter

●### Analog Comparator

● Option to compare to internal reference

● Option to route comparator output directly to pin

● Allows operation in MCU STOP mode

●### I2C

● Inter-integrated circuit bus module capable of operation up to 100 kbps with maximum bus loading

●### Real-Time Interrupt

● Real-time interrupt trigger with 3-bit prescaler

● Built-in low-power 1 kHz clock source

●### Up to 18 GPIOs

● Software selectable pull-ups on ports when used as input (internal pull-up on RESET)

● Software selectable slew rate control on ports when used on output

● 8-pin keyboard interrupt module with software selectable polarity on edge or edge/level modes

●### System Protection

● Watchdog computer operating properly (COP) reset with option to run from dedicated 1 kHz internal clock source or bus clock

● Low voltage detection with reset or interrupt

● Illegal opcode and illegal address detection with reset

● Security feature for flash

●### Background Debugging System

● On-chip BDM

●### Package

● Pin-compatible with SH, QG family