| 类型 |
Microcontroller |
| 频率 (MHz) |
3.5 - 16 |
| 封装 |
44-pin plastic LCC |
| |
| 架构 / 微体系结构 |
| 制造工艺 |
CHMOSIII technology |
| 数据位宽 |
8 bit |
| Physical memory |
68 KB (4 KB code and 64 KB data) |
| 特征 |
On-circuit emulator (ONCE) mode |
| 低功耗特性 |
- Idle mode
- Power down mode
|
| On-chip peripherals |
- Four 8-bit I/O ports (32 I/O lines)
- Full-duplex serial port
- Two 16-bit timers/counters
- Oscillator and clock circuits
|
| On-chip RAM (bytes) |
128 |
| On-chip ROM |
4 KB masked ROM |
| |
| Electrical/Thermal parameters |
| V核 (V) |
5 ± 20% |
| Min/Max operating temperature (°C) |
0 - 70 |
| Min/Max power dissipation (W) |
0.032 (Idle mode) / 0.16 |
| |
| Notes |
- Earlier versions included ROM protection features: program verification is disabled, external memory accesses are limited to 4 KB
- Later versions are 80C51BH microcontrollers with memory lock bit 1 set.
|
