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C517A Datasheet(PDF) 3 Page - Siemens Semiconductor Group |
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C517A Datasheet(HTML) 3 Page - Siemens Semiconductor Group |
3 / 72 page Semiconductor Group 1 C517A 8-Bit CMOS Microcontroller Advance Information C517A • Full upward compatibility with SAB 80C517A/83C517A-5 • Up to 24 MHz external operating frequency – 500 ns instruction cycle at 24 MHz operation • Superset of the 8051 architecture with 8 datapointers • On-chip emulation support logic (Enhanced Hooks Technology TM) • 32K byte on-chip ROM (with optional ROM protection) – alternatively up to 64K byte external program memory • Up to 64K byte external data memory • 256 byte on-chip RAM • Additional 2K byte on-chip RAM (XRAM) • Seven 8-bit parallel I/O ports • Two input ports for analog/digital input (further features are on next page) Figure 1 C517A Functional Units MCA03317 Port 0 Port 1 Port 2 XRAM RAM T0 T1 MDU ROM I/O (8 Datapointer) I/O Analog/ Digital Input Port 3 32k x 8 CPU Port 8 Input Digital Analog/ 256 x 8 2K x 8 Port 7 Port 6 Port 5 Port 4 Watchdog Timer Oscillator Watchdog 10-Bit A/D Converter 8 Bit USART UART 8 Bit Timer Compare T2 CCU Power Saving Modes I/O I/O I/O I/O I/O |
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