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SAB-C541U-1EN Datasheet(PDF) 4 Page - Siemens Semiconductor Group |
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SAB-C541U-1EN Datasheet(HTML) 4 Page - Siemens Semiconductor Group |
4 / 65 page Semiconductor Group 4 1997-10-01 C540U C541U Features (cont’d) : • Up to 64K byte external data memory • 256 byte on-chip RAM • Four parallel I/O ports – P-LCC-44 package : three 8-bit ports and one 6-bit port – P-SDIP-52 package : four 8-bit ports – LED current drive capability for 3 pins (10 mA) • Two 16-bit timer/counters (C501 compatible) • SSC synchronous serial interface (SPI compatible) (only C541U) – Master and slave capable – Programmable clock polarity / clock-edge to data phase relation – LSB/MSB first selectable – 1.5 MBaud transfer rate at 12 MHz operating frequency • 7 interrupt sources (2 external, 5 internal with 2 USB interrupts) selectable at 2 priority levels • Enhanced fail safe mechanisms – Programmable watchdog timer (only C541U) – Oscillator watchdog • Power saving modes – idle mode – software power down mode with wake-up capability through INT0 pin or USB • On-chip emulation support logic (Enhanced Hooks Technology TM) • P-LCC-44 and P-SDIP-52 packages • Power supply voltage range : 4.0V to 5.5V • Temperature Range : SAB-C540U T A = 0 to 70 °C SAB-C541U T A = 0 to 70 °C Table 1 Ordering Information Type Ordering Code Package Description (8-Bit CMOS microcontroller) SAB-C540U-EN Q67126-C2042 P-LCC-44-2 8-Bit CMOS microcontroller (12 MHz) SAB-C540U-EP Q67120-C2043 P-SDIP-52-1 8-Bit CMOS microcontroller (12 MHz) SAB-C541U-1EN Q67126-C2001 P-LCC-44-2 8-Bit CMOS microcontroller (12 MHz) SAB-C541U-1EP Q67120-C2021 P-SDIP-52-1 8-Bit CMOS microcontroller (12 MHz) |
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