Operating Conditions
l  2.0V~5.5V@-40 ~ +105
l  1.8V~5.5V@0 ~ +85


l  ESD

n  HBMMIL-STD-883J Class 3A

n  MMJEDEC EIA/JESD22-A115  Class C

n  CDMANSI/ESDA/JEDEC JS-002-2018 Class C3

l  EFT

n  EN61000-4-4 Level 4


l  32 PIN: LQFP32 / QFN32


l  Super-high-speed 1T 8051 core
l  Instruction set fully compatible with 8051, execution speed is about 2 times of other 1T 8051


Flash ROM
l  32 Kbytes Flash ROM
l  Divided into 64 sectors, 512 bytes per sector
l  Can be rewritten 100,000 times
l  Can be stored for 100 years at 25
l  Flash allowed IAP operation in Flash can be set to 0K/1K/2K or 32K by Code Option.


l  BootLoader code memory
l  LDROM area can be set to 0K/1K/2K/4K by Code Option


l  Independent 1 Kbytes EEPROM
l  Can be rewritten 100,000 times, has more than 100-year preservation life in the ambient temperature of 25


Unique ID

l  96 bits Unique IDStore the unique identifier of the IC


l  Internal 256 bytes in-chip direct access RAM
l  3.75 Kbytes External RAM(XRAM)
l  Additional PWM & LCD/LED RAM:

n  16 bytes Indirect access RAM Read and write PWM duty cycle SFR address: 0F40H~0F4FH through MOVX instruction

n  24 bytes In-chip indirect access RAM Read and write the LCD/LED display RAM by MOVX instruction. The address ranges from 0F00H to 0F17H


System clock (fSYS)
l  Built-in high frequency 32 MHz oscillator (HRC)

n  The system clock frequency (Fsys) of IC can be set to 32/16/8/4MHz by programmer choice

n  Full voltage range (1.8V~5.5V):

u  -10 ~ 105 application environment, frequency error is not more than ±1%

u  -20 ~ 105, the frequency error is not more than ±2%

n   The system clock can be automatically calibrated by 32.768 kHz external crystal oscillator, after calibration HRC accuracy can be infinitely close to the accuracy of external 32.768 kHz crystal oscillator.


Built-in low-frequency crystal oscillator circuit:
l  32.768k oscillator can be connected externally as a Base Timer clock source.
Built-in low-frequency 32 kHz oscillator (LRC):
l  used as the clock source for Base Timer and WDT and wake up STOP
l   Frequency Error: After the register correction, within ±4% @ -20 ~ 85 @ 4.0 ~ 5.5V


Low-voltage Reset (LVR)
l   4 options of reset voltage: 4.33.7V2.7V1.7V
l  the default value can be selected by the Code Option


Low Voltage Monitoring Module (LPD)
l  8 low voltage detection: 1.85V / 2.05V / 2.25V / 2.45V / 2.85V / 3.45V / 3.85V / 4.45V
l  Interruptible


Flash program and simulation
l  2 - line JTAG write, simulation interface, support live simulation


Interrupts (INT)
l  Timer 0~Timer 4, INT0~2, ADC, PWM, UART, USCI0~2, Base Timer, TK and LPD 17 interrupt sources
l  External interrupt contains 3 interrupt vectors, 13 interrupt ports. All can set up rising edge, falling edge, dual edge interrupt.
l  Two-level interrupt priority capability


Digital Peripheral
l  GPIO: Up to 30 bidirectional independently controllable I/O ports

n  Independent setting of pull-up resistors

n  All port source drive capacity is controlled by four levels

n  All IO ports have large sink current drive capability (50mA)

l  Built-in WDT, optional clock frequency division ratio
l  5 Timer0~4
l  8-channel 16-bit PWM

n  Can be set as independent mode or complementary mode: in independent mode, 8-channel PWM has a common cycle, and duty cycle can be set separately; In complementary mode, four groups of complementary PWM waveforms with dead zone can be output simultaneously

n  The output waveform can be reversed and can be set to center - aligned or edge - aligned

n  Models with 20PIN packages and above support PWM fault detection (FLT)

l  One independent UART communication port UART0
l  3 UART/SPI/TWI communication interfaces (USCI)

n  When USCI0 is set to SPI0, the driving capability of the pins corresponding to its signal port will be enhanced

l  Built-in CRC check module
l  Integrated with 16 * 16-bit hardware Multiplier-Divide Unit (MDU)


LCD/LED driver
l  Choose one of two LCD/LED, share registers and IO ports
l  8 X 20, 6 X 22, 5 X 23, or 4X 24 segments LED driver
l  LED segment port source drive capability is selectable in four levels
l  8 X 20, 6 X 22, 5 X 23, or 4X 24 segments LCD driver


Analog Peripheral

l  27-channel high sensitivity TouchKey circuit.

n  Applicable to TouchKey sensor, proximity induction and other TouchKey applications featuring high requirements on sensitivity

n  Have very strong anti-interference ability which is able to pass 10V dynamic CS test

n  Support low power consumption mode.

n  Complete development support: High-flexible touch software library, intelligent software of debugging.

n  The operating current of TK in low power mode can be as low as 8uA

l  11-channel 12-bit±2LSB ADC

n  1MHz ultra-high speed sampling clock, the total time from sampling to complete conversion is as low as 2μs

n  The ADC has four options for reference voltages, VDD and internal 2.048V, 1.024V, or 2.4V

n  1 internal channel can measure the 1/4 voltage of the power supply


Power Saving Mode
l  IDLE Mode: can be woken up by any interrupt
l  STOP Mode: can be woken up by INT0~2, Base Timer and TK.

SC92L8535.pngSC92L8535 2.png

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