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.
|