N79E824
Nuvoton· Series Low Pin Count 8051Lifecycle: Mass production
8051 · 20 MHz · 0.25 KB · 2.7 ~ 5.5 V · SOP20
N79E824AN79E824ADGN79E824ARGN79E824ASG
Key specifications
CPU core
8051
Max CPU frequency
20 MHz
VDD=4.5V~5.5V (DC characteristics, Operating Voltage test condition)
SRAM
0.25 KB
Operating voltage
2.7 ~ 5.5 V
Operating temperature
-40 ~ 85°C
TA (ambient); DC characteristics range, same as Operating Temperature TA -40~+85 °C in Absolute Maximum Ratings (p119)
Package
SOP20
ordering code N79E824ASG
GPIO count
18
up to 18 with the on-chip RC oscillator and P1.5 (/RST) used as an input-only pin; 15 pins with a crystal and /RST as reset (p92)
UART
1
I²C
1
ADC resolution
10
ADC channels
4
PWM channels
4
All parameters
| Core | |
| CPU core | 8051 |
| Max CPU frequency | 20 MHz VDD=4.5V~5.5V (DC characteristics, Operating Voltage test condition) |
| Memory | |
| SRAM | 0.25 KB |
| Data Flash | 0.25 KB dedicated NVM data memory (FC00h-FCFFh), separate from the AP Flash |
| Power & environment | |
| Operating voltage | 2.7 ~ 5.5 V |
| Operating temperature | -40 ~ 85°C TA (ambient); DC characteristics range, same as Operating Temperature TA -40~+85 °C in Absolute Maximum Ratings (p119) |
| Lowest-power mode current | 1 µA Power Down mode (all clocks stopped), no load, VDD=3.0V, BOV function disabled, typ at TA=25 °C (max 10 µA) |
| Package & IO | |
| Package | SOP20 ordering code N79E824ASG |
| Pin count | 20 |
| GPIO count | 18 up to 18 with the on-chip RC oscillator and P1.5 (/RST) used as an input-only pin; 15 pins with a crystal and /RST as reset (p92) |
| Connectivity | |
| UART | 1 |
| I²C | 1 |
| Analog | |
| ADC resolution | 10 |
| ADC channels | 4 |
| Analog comparators | 2 |
| Timers & control | |
| PWM channels | 4 |
| Reliability | |
| Flash endurance | 10,000 cycles NVM Data Flash (256 bytes) write cycles; no endurance figure is given for the AP (program) Flash |
Values are read by software from the exact location in the manufacturer's document and cross-checked. The latest manufacturer datasheet prevails.
Same series (18)
| PN | Max CPU frequency | Program Flash | SRAM | Operating temperature | Package | GPIO count |
|---|---|---|---|---|---|---|
| N76E003AQ20 | — | — | — | — | — | — |
| N76E003AT20 | — | — | — | — | — | — |
| N76E003BQ20 | — | — | — | — | — | — |
| N76E616 | 16 MHz | 18 KB | 0.25 KB | -40 ~ 105°C | LQFP48, PQFP44, LQFP44 | 46 |
| N76E885 | 25 MHz | 18 KB | — | -40 ~ 105°C | TSSOP28 | 26 |
| N79E715 | 24 MHz | 16 KB | 0.5 KB | -40 ~ 85°C | — | 25 |
| N79E822 | 20 MHz | — | 0.25 KB | -40 ~ 85°C | SOP20 | 18 |
| N79E823 | 20 MHz | — | 0.25 KB | -40 ~ 85°C | SOP20 | 18 |
| N79E825 | 20 MHz | 16 KB | 0.25 KB | -40 ~ 85°C | SOP20 | 18 |
| N79E8432 | 24 MHz | 4 KB | — | -40 ~ 85°C | SOP16 | — |
| N79E844 | 24 MHz | 8 KB | — | -40 ~ 85°C | TSSOP20 | 17 |
| N79E845 | 24 MHz | 16 KB | — | -40 ~ 85°C | TSSOP20 | 17 |
| N79E854 | 24 MHz | 8 KB | — | -40 ~ 85°C | TSSOP28 | 25 |
| N79E855 | 24 MHz | 16 KB | — | -40 ~ 85°C | TSSOP28 | 25 |
| N79E875 | — | — | — | — | — | — |
| W79E2051 | 24 MHz | 2 KB | 0.25 KB | -40 ~ 85°C | — | — |
| W79E4051 | 24 MHz | 4 KB | 0.25 KB | -40 ~ 85°C | — | — |
| W79E8213 | — | — | — | — | — | — |