AT89S51-24PU 规格参数
| ~1 | programmable i/o lines; two 16- bit timer/count |
| Part Name Assigned By Controlling Agency | 8-bit microcontroler with 4k bytes in-system programmable flash |
| Supplementary Features | full duplex uart serial channel; low-power idle and power-down modes; interrupt recovery from power down mode; watchdog timer; dual data pointer; power-off flag; fast programming time; flexible isp programming (byte and page mode); green (pb/halide-free) |
| Special Features | compatible with mcs-51 products; 4k bytes of in-system programmable (isp) flash memory-endurance: 10,000 write/erase cycles; 4.0v to 5.5v operating range; fully static operation: 0 hz to 33 mhz; 3 level program memory lock; 128 x 8-bit internal ram; 32 |