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SC16C652 датащи(PDF) 27 Page - NXP Semiconductors |
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SC16C652 датащи(HTML) 27 Page - NXP Semiconductors |
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27 / 41 page ![]() Philips Semiconductors SC16C652 Dual UART with 32 bytes of transmit and receive FIFOs Product data Rev. 04 — 20 June 2003 27 of 41 9397 750 11634 © Koninklijke Philips Electronics N.V. 2003. All rights reserved. 7.11 SC16C652 external reset condition 8. Limiting values Table 25: Reset state for registers Register Reset state IER IER[7-0] = 0 FCR FCR[7-0] = 0 ISR ISR[7-1] = 0; ISR[0] = 1 LCR LCR[7-0] = 0 MCR MCR[7-0] = 0 LSR LSR[7] = 0; LSR[6-5] = 1; LSR[4-0] = 0 MSR MSR[7-4] = input signals; MSR[3-0] = 0 SPR SFR[7-0] = 1 DLL DLL[7-0] = X DLM DLM[7-0] = X Table 26: Reset state for outputs Output Reset state TXA, TXB Logic 1 OP2A, OP2B Logic 1 RTSA, RTSB Logic 1 DTRA, DTRB Logic 1 INTA, INTB 3-State condition Table 27: Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter Conditions Min Max Unit VCC supply voltage - 7 V Vn voltage at any pin GND − 0.3 VCC + 0.3 V Tamb operating temperature −40 +85 °C Tstg storage temperature −65 +150 °C Ptot(pack) total power dissipation per package - 500 mW |
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