1-T 80C51 Central Processing Unit
MG82FE(L)308 with 8K Bytes AP flash ROM
ISP memory zone as 1.5KB (Built-in Megawin standard ISP & UART COMBO ISP code with auto switching)
IAP size as 6.5KB(MG82FE(L)308) in default.
User could control IAPLB register to redefine IAP size. Flexible IAP size up to 15.5KB.
Code protection for flash memory access
On-chip 256 bytes data RAM and on-chip 256 bytes expanded RAM.
Dual data pointer.
Three 16-bit timer/counters: Timer 0, Timer 1 and Timer 2.
T0CKO on P34, T1CKO on P35 and T2CKO on P10
X12 mode enabled for T0/T1/T2.
PWM-Timer for PWM generator or normal 16-bit timer.
Maximum 8 channel PWM output on P2.
Enhanced UART
Provides frame-error detection.
Hardware address-recognition.
Function swapped on P16/P17.
Six external interrupt input: nINT0/nINT1/nINT2/nINT3/nINT4/nINT5.
nINT0/nINT1 trigger type: Low Level or Falling Edge.
nINT2/nINT3/nINT4/nINT5: Low Level, Falling Edge, High Level or Rising Edge.
13 sources, four-level-priority interrupt capability.
Built-in analog comparator with on-chip VDD reference input.
4 channel I/O selection on comparator Plus input.
Programmable comparator Minus input from I/O or 15 levels on-chip VDD reference.
15 bits Watch-Dog-Timer.
8-bit pre-scalar
One-time enabled by CPU or power-on
Maximum 45 GPIOs in LQFP-48 pin package.
P0, P1, P2, P3, P4, P5 can be configured to quasi-bidirectional, push-pull output, open-drain output and input only.
P6 serve quasi-bidirectional mode only.
P4.0 and P4.1 are configured to quasi-bidirectional in default.
Power control: idle mode and power-down mode.
All interrupts and 16 GPIOs can wake up IDLE mode.
6 external interrupt and 16 GPIOs can wake up Power-Down mode.
Brown-Out Detector for VDD (4.0V)
Option to reset CPU.
Option to interrupt CPU.
Operating voltage:
MG82FE308: 4.5V~5.5V.
MG82FL308: 2.4V~3.6V, minimum 2.7V requirement in flash write operation(ISP/IAP/……).
Operation frequency : 24MHz(max)
External crystal mode
Internal RC-oscillator (12MHz), output on XTAL2/P6.0
+/- 1% frequency drift @ 25℃
+/- 2% frequency drift @ -20 ~ 50℃
+/- 4% frequency drift @ -40 ~ 85℃
Operating Temperature:
Industrial (-40℃ to +85℃)*
Note*: Tested by sampling.