MS51XB9AE
Nuvoton· Series Industrial 8051Lifecycle: Mass production
8051 · 16 KB · 1 KB · 2.4 ~ 5.5 V · QFN20
Key specifications
CPU core
8051
Program Flash
16 KB
SRAM
1 KB
Operating voltage
2.4 ~ 5.5 V
Operating temperature
-40 ~ 105°C
Package
QFN20
GPIO count
18
UART
2
SPI
1
I²C
1
ADC resolution
12
ADC channels
8
PWM channels
6
All parameters
| Core | |
| CPU core | 8051 |
| Memory | |
| Program Flash | 16 KB |
| SRAM | 1 KB |
| Power & environment | |
| Operating voltage | 2.4 ~ 5.5 V |
| Operating temperature | -40 ~ 105°C |
| Lowest-power mode current | 6 µA mode=Power-down, all peripherals disabled (LVR17/POR/BOD disabled), VDD=3.3V, TA=25°C, stat=typ |
| Package & IO | |
| Package | QFN20 |
| Package size | 3x3 |
| Pin count | 20 |
| GPIO count | 18 |
| Connectivity | |
| UART | 2 |
| SPI | 1 |
| I²C | 1 |
| Analog | |
| ADC resolution | 12 |
| ADC channels | 8 |
| ADC sample rate | 0.5 MSPS |
| Timers & control | |
| PWM channels | 6 |
| Reliability | |
| ESD (HBM) | 8 kV |
| Flash endurance | 100,000 cycles TJ=-40~125°C, stat=min |
| Flash data retention | 50 years cycles=100 kcycle, TA=55°C, stat=min |
Values are read by software from the exact location in the manufacturer's document and cross-checked. The latest manufacturer datasheet prevails.
Same series (10)
| PN | Max CPU frequency | Program Flash | SRAM | Operating temperature | Package | GPIO count |
|---|---|---|---|---|---|---|
| MS51BA9AE | 24 MHz | 8 KB | 1 KB | -40 ~ 105°C | MSOP10 | 8 |
| MS51DA9AE | 24 MHz | 8 KB | 1 KB | -40 ~ 105°C | TSSOP14 | 12 |
| MS51EB0AE | — | 16 KB | 2 KB | -40 ~ 105°C | TSSOP28 | 26 |
| MS51EC0AE | — | 32 KB | 2 KB | -40 ~ 105°C | TSSOP28 | 26 |
| MS51FB9AE | — | 16 KB | 1 KB | -40 ~ 105°C | TSSOP20 | 18 |
| MS51FC0AE | — | 32 KB | 2 KB | -40 ~ 105°C | TSSOP20 | 18 |
| MS51PC0AE | — | 32 KB | 2 KB | -40 ~ 105°C | LQFP32 | 30 |
| MS51TC0AE | — | 32 KB | 2 KB | -40 ~ 105°C | QFN32 | 30 |
| MS51XB9BE | — | 16 KB | 1 KB | -40 ~ 105°C | QFN20 | 18 |
| MS51XC0BE | — | 32 KB | 2 KB | -40 ~ 105°C | QFN20 | 18 |