Operating Voltage: 2.4V ~ 5.5V

Operating Temperature: -40 ~ 85℃ application environment, no more than ±1% of frequency error

l  Built-in high-frequency Crystal Oscillator Circuit

n  Available to externally connect 2-16 MHz Oscillator

n  As the source of system clock, f_SYS can be set to /2, /4 or /12 of the frequency of oscillator via code option.

l  Operating voltage at different system frequency:

n  >12MHz @2.9 ~ 5.5V

n  ≤12MHz@2.4 ~ 5.5V

Built-in Low-Frequency 128kHz Oscillator (LRC):

l  Clock source of Base Timer (BTM), which can wake up the SC92F746XB from stop mode

l  Clock source of Watchdog (WDT)

l  Frequency Error: 4.0V ~ 5.5V and -20 ~ 85<span style="font-family:" font-size:16px;"="">℃ application environment, no more than ±4% of frequency error

Low-voltage Reset (LVR):

l  4-level LVR voltage options: 4.3V, 3.7V, 2.9V, 2.3V

l  The default is the Code Option value selected by the user

Flash Programming and Emulation:

l  2-wire JTAG programming and emulation interface

Interruption (INT):

l  11 interrupt sources: Timer0, Timer1, Timer2, INT0 ~ 2, ADC, PWM, UART, SSI and Base Timer.

l  3 external interrupt vectors shared by 13 interrupt ports, all of which can be defined in rising-edge, falling-edge or dual-edge trigger mode.

l  Two-level interrupt priority capability

Digital Peripheral:

l  Up to 26 bidirectional independently controllable I/O interfaces, able to configure pull-high resistor independently

l  P0/P2 ports with 4-level drive capability

l  All I/Os equipped with sink current drive capability (70 mA)

l  11-bit WDT with optional clock division ratio

l  3 standard 80C51 Timer/Counters: Timer0, Timer1 and Timer2

l  Timer2 can be set to capture mode

l  Six 10-bit PWM output channels with variable period and individual duty cycle, which can simultaneously output three sets of complementary PWM waveforms with dead zone

l   5 I/Os as output of the 1/2-bias LCD COM

l  1 independent UART communication interface (Switchable I/O port)

l   1 three-in-one serial communication interface (SSI) (Switchable I/O port)

l  16*16-bit hardware multiplier and divider unit (MDU)

Analog Peripheral:

l  11-channel 12-bit ±2LSB ADC

n  Built-in 2.4V reference voltage

n  2 options for ADC reference voltage: V_DD and internal 2.4V

n  Internal one-channel ADC, where VDD can be measured directly

n  ADC conversion completion interrupt

Power Saving Mode:

l  IDLE Mode: can be woken up by any interrupt.

l  STOP Mode: can be woken up by INT0 ~ 2 and Base Timer