MS51FB9AE MS51 Is An Enhanced 8-Bit 8051-Core Microcontroller With
Flash 1T Working Mode
1.GENERAL DESCRIPTIO
MS51 is an enhanced 8-bit 8051-core microcontroller with Flash (1T
working mode). The instruction set is fully compatible with the
standard 80C51 and has higher performance. The MS51 16K series has
an embedded 18K Flash storage area, usually called APROM, which is
used to store user program codes. The Flash memory area supports
in-application programming (IAP) function, which can update the
program code through the on-chip firmware. The IAP function also
provides a user-configurable program area or data storage area. The
IAP function can perform read and write operations on the data
storage area, while reading data can also be achieved through MOVC
instructions. MS51 has an extra storage area called LDROM, which
usually stores the boot code used to execute in-system programming
(ISP). The size of LDROM can be configured up to 4K bytes. To
facilitate programming and verification, the entire flash area
supports parallel programming and ICP programming. The Flash can be
encrypted by the encryption bit to ensure that the program code
cannot be read.
The MS5116K series provides a wealth of special function modules,
including: 256 bytes of SRAM, 1K bytes of XRAM. Up to 18 standard pins are available. Two sets of standard 16-bit timers/counters: timers 0 and 1, a set
of 16-bit timers with 3-way pin input capture mode: timer 2, a set
of watchdog timer (WDT), one set Self-wake-up timer (WKT), a set of timers with automatic reloading
function that can be used to generate standard baud rates: Timer 3. Two sets of standard serial ports (UART), these two sets of serial
ports have frame error detection and automatic address recognition
functions. One set of SPI, one set of I2C, 6-channel enhanced PWM output, 8
channels of 12-bit ADC. The above function generates 18 interrupt sources corresponding to
4 levels of interrupt priority configuration.
The MS51 16K series supports 3 groups of clock source inputs, and
all clock sources support software switching (on-the-fly). Three groups of clock sources include: external clock, 10kHz
internal RC oscillator clock and a 16MHz internal high-speed clock
that has been calibrated to an accuracy of ±1% at room temperature
before leaving the factory. MS51 provides additional power monitoring and management modules,
such as power-on reset and 4-level low-voltage detection. This
module is used to ensure the stable operation of the system when
the chip is powered on or off
MS51 can run in two low-power modes-idle mode and power-down mode,
which mode can be selected by software. In idle mode, the main clock of the chip is turned off, but some
functional modules are still running. In the power-down mode, all clocks of the chip are turned off to
ensure that the power consumption of the chip reaches the lowest
level. In the normal operating mode, the main clock frequency division
mode can also be selected to ensure flexible use between power
consumption and performance. With high-efficiency and rich functional modules and
configurations, MS51 can be flexibly used in various applications,
home appliances, and even high-end demand control systems such as
motor control
2.FEATURES
*CPU:
Fully static 8-bit 1T 8051 core CMOS microcontroller
The instruction set is fully compatible with MCS-51
4-level priority interrupt configuration
Dual data pointers (DPTRs)
*Working conditions:
Wide voltage working range 2.4V to 5.5V
Wide operating frequency up to 24MHz
Industrial grade operating temperature -40°C to +105°C
*Memory:
Up to 16K bytes APROM user program code area
Configurable 4K/3K/2K/1K byte LDROM boot code area, users can
flexibly configure usage
All FLASH areas are divided into 128 bytes per page
Built-in IAP programming function
Code encryption function
256 bytes on-chip direct RAM access
Additional 1K bytes of on-chip indirect access RAM (XRAM) read and
write through MOVX instructions
Clock source: -24MHz high-speed internal oscillator (HIRC) ±1% accuracy level (25
C, 3.3 V) accuracy under full operating conditions ±2% accuracy
level -The internal high-speed oscillator (HIRC) can be configured as
24MHz -10kHz low-speed internal oscillator (LIRC) ±1% accuracy
level (25 C, 3.3 V). -Support external clock input. -Support system clock real-time software switching (On-the-fly)
function. -Support software configuration clock frequency division up to
1/512. Features: -Standard external interrupt pins INTO and INT1 -Two sets of 16-bit timer/counters 0 and 1, compatible with
standard 8051
3.
4.Why choose us?
100% new and originao with Advantage price
High efficiency
Fast Delivery
Professional team service
10 Years Experience Electronic components
Electronic components Agent
Advantage logistic discount
Excellent After-sales Service
