W79L632A
Nuvoton· Series Standard 8051Lifecycle: Mass production
8051 · 20 MHz · 128 KB · 1 KB · 3 ~ 5.5 V · PLCC44
W79L632A25FLW79L632A25PL
Key specifications
CPU core
8051
Max CPU frequency
20 MHz
VDD = 3.3V ~ 5.5V
Program Flash
128 KB
APFlash (dual 64KB banks); excludes the 4KB LDFlash loader area
SRAM
1 KB
on-chip MOVX SRAM; the separate 256-byte scratch-pad RAM is not included
Operating voltage
3 ~ 5.5 V
Fosc up to 12 MHz (full operating range)
Package
PLCC44
ordering code W79L632A25PL (lead free)
UART
1
PWM channels
6
All parameters
| Core | |
| CPU core | 8051 |
| Max CPU frequency | 20 MHz VDD = 3.3V ~ 5.5V |
| Memory | |
| Program Flash | 128 KB APFlash (dual 64KB banks); excludes the 4KB LDFlash loader area |
| SRAM | 1 KB on-chip MOVX SRAM; the separate 256-byte scratch-pad RAM is not included |
| Power & environment | |
| Operating voltage | 3 ~ 5.5 V Fosc up to 12 MHz (full operating range) |
| Package & IO | |
| Package | PLCC44 ordering code W79L632A25PL (lead free) |
| Pin count | 44 |
| Connectivity | |
| UART | 1 |
| External bus (EBI/EXMC) | Yes |
| Timers & control | |
| PWM channels | 6 |
Values are read by software from the exact location in the manufacturer's document and cross-checked. The latest manufacturer datasheet prevails.
Same series (29)
| PN | Max CPU frequency | Program Flash | SRAM | Operating temperature | Package | GPIO count |
|---|---|---|---|---|---|---|
| N78E055A | 40 MHz | 16 KB | 0.25 KB | -40 ~ 85°C | DIP40 | — |
| N78E059A | 40 MHz | 32 KB | 0.25 KB | -40 ~ 85°C | DIP40 | — |
| N78E366A | 40 MHz | 64 KB | 0.25 KB | -40 ~ 85°C | — | — |
| N78E517A | 40 MHz | 64 KB | 0.25 KB | -40 ~ 85°C | — | — |
| N79E352R | — | — | — | — | — | — |
| W77C032A | 40 MHz | — | 1 KB | — | DIP40 | — |
| W77E058A | — | — | — | — | — | — |
| W77E516A | — | — | — | — | — | — |
| W77E532A | — | — | — | — | — | — |
| W77L032A | — | — | — | — | — | — |
| W77L058A | — | — | — | — | — | — |
| W77L516A | — | — | — | — | — | — |
| W77L532A | — | — | — | — | — | — |
| W78C032 | — | — | — | — | — | — |
| W78C438 | — | — | — | — | — | — |
| W78E052D | 40 MHz | 8 KB | 0.25 KB | -40 ~ 85°C | DIP40, PLCC44, PQFP44, LQFP48, TQFP44 | — |
| W78E054D | 40 MHz | 16 KB | 0.25 KB | -40 ~ 85°C | DIP40, PLCC44, PQFP44, LQFP48, TQFP44 | — |
| W78E058D | 40 MHz | 32 KB | 0.5 KB | -40 ~ 85°C | DIP40, PLCC44, PQFP44, LQFP48 | — |
| W78E516D | 40 MHz | 64 KB | 0.5 KB | -40 ~ 85°C | DIP40, PLCC44, PQFP44, LQFP48 | — |
| W78E858A | — | — | — | — | — | — |
| W78ERD2A | — | — | — | — | — | — |
| W78IRD2A | — | — | — | — | — | — |
| W79E632A | 40 MHz | 128 KB | 1 KB | — | PLCC44 | — |
| W79E633A | 40 MHz | 128 KB | — | — | PLCC44 | — |
| W79E658A | 40 MHz | 128 KB | — | — | QFP100 | — |
| W79E659A | — | — | — | — | — | — |
| W79L633A | 25 MHz | 128 KB | — | — | PLCC44 | — |
| W79L658A | 25 MHz | 128 KB | — | — | QFP100 | — |
| W79L659A | — | — | — | — | — | — |