ZHCSA84C October 2012 – May 2018 TMS570LS0332 , TMS570LS0432
PRODUCTION DATA.
| NO. | PARAMETER | MIN | MAX | UNIT | |
|---|---|---|---|---|---|
| VCCPORL | VCC low supply level when nPORRST must be active during power up | 0.5 | V | ||
| VCCPORH | VCC high supply level when nPORRST must remain active during power up and become active during power down | 1.14 | V | ||
| VCCIOPORL | VCCIO / VCCP low supply level when nPORRST must be active during power up | 1.1 | V | ||
| VCCIOPORH | VCCIO / VCCP high supply level when nPORRST must remain active during power up and become active during power down | 3.0 | V | ||
| VIL(PORRST) | Low-level input voltage of nPORRST VCCIO > 2.5 V | 0.2 * VCCIO | V | ||
| Low-level input voltage of nPORRST VCCIO < 2.5 V | 0.5 | V | |||
| 3 | tsu(PORRST) | Setup time, nPORRST active before VCCIO and VCCP > VCCIOPORL during power up | 0 | ms | |
| 6 | th(PORRST) | Hold time, nPORRST active after VCC > VCCPORH | 1 | ms | |
| 7 | tsu(PORRST) | Setup time, nPORRST active before VCC < VCCPORH during power down | 2 | µs | |
| 8 | th(PORRST) | Hold time, nPORRST active after VCCIO and VCCP > VCCIOPORH | 1 | ms | |
| 9 | th(PORRST) | Hold time, nPORRST active after VCC < VCCPORL | 0 | ms | |
| tf(nPORRST) | Filter time nPORRST pin;
Pulses less than MIN will be filtered out, pulses greater than MAX will generate a reset. |
475 | 2000 | ns | |
Figure 6-1 nPORRST Timing Diagram