Rev. 1.20
6
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Rev. 1.20
7
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BS82B12A-3/BS82C16A-3/BS82D20A-3
Touch Key 8-Bit Flash MCU with LED/LCD Driver
BS82B12A-3/BS82C16A-3/BS82D20A-3
Touch Key 8-Bit Flash MCU with LED/LCD Driver
General Description
These devices
are
a series of Flash Memory type 8-bit high performance RISC architecture
microcontrollers with fully integrated touch key functions. With all touch key functions provided
internally and with the convenience of Flash Memory multi-programming features, these devices
has all the features to offer designers a reliable and easy means of implementing Touch Keyes within
their products applications.
The touch key functions are fully integrated completely eliminating the need for external
components. In addition to the flash program memory, other memory includes an area of RAM
Data Memory as well as an area of EEPROM memory for storage of non-volatile data such as
serial numbers, calibration data etc. Protective features such as an internal Watchdog Timer, Low
Voltage Reset and Low Voltage Detector functions coupled with excellent noise immunity and ESD
protection ensure that reliable operation is maintained in hostile electrical environments.
A full choice of HIRC, LIRC and LXT oscillators are provided including a fully intefrated system
oscillator which require no external components for their implementation. The ability to operate
and switch dynamically between a range of operating modes using different clock sources gives
users the ability to optimise microcontroller operation and minimise power consumption. Easy
communication with the outside world is provided using the fully integrated I
2
C interface functions,
while the inclusion of flexible I/O programming features, Timer Modules and many other features
further enhance device functionality and flexibility.
The UART module is contained in these devices. It can support the applications such as data
communication networks between microcontrollers, low-cost data links between PCs and peripheral
devices, portable and battery operated device communication, etc.
These touch key devices will find excellent use in a huge range of modern Touch Key product
applications such as instrumentation, household appliances, electronically controlled tools to name
but a few.
Selection Table
Most features are common to these devices, the main features distinguishing them
are
Memory
capacity, I/O count, LCD segment count, Touch Key count, stack capacity and package types. The
following table summarises the main features of each device.
Part No.
V
DD
Program
Memory
Data
Memory
Data
EEPROM I/O
Ext.
Int.
LCD
Driver
Timer
Module
Touch
Key
I
2
C
UART
Time
Base
Stack
Package
BS82B12A-� 2.7V~
�.�V
2K×16
�84×8
64×8
22
1
16×4
10-bit
CTM×1
10-bit
PTM×1
12
√
√
2
6
20/24SOP
BS82C16A-� 2.7V~
�.�V
4K×16
�12×8
64×8
26
1
20×4
10-bit
CTM×1
10-bit
PTM×1
16
√
√
2
6
24/28SOP
BS82D20A-� 2.7V~
�.�V
8K×16
768×8
64×8
26
1
20×4
10-bit
CTM×1
10-bit
PTM×1
20
√
√
2
8
24/28SOP
28SSOP