|Datasheet||Download Q67126-C1054SAB-C501G-1EN datasheet
C501G-1E OTP version included Ordering information resorted and C501G-1E types added Table with literature hints added Pin configuration logic symbol for pins EA/Vpp and ALE/PROG updated Pin description for ALE/PROG and EA/Vpp completed Port 3, 2 pin description: "bidirectional" replaced by "quasibidirectional" Block diagram updated for C501G-1E New design of register (PSW) description "Memory organization" added Actualized design of the SFR tables Reset value of T2CON corrected Description for the C501-1E OTP version added DC characteristics for C501-1E added Timing "External Clock Drive" now behind "Data Memory Cycle" AC characteristics for C501-1E added
Edition 1997-04-01 Published by Siemens AG, Bereich Halbleiter, MarketingKommunikation, Balanstraße 73, 81541 München © Siemens AG 1997. All Rights Reserved. Attention please! As far as patents or other rights of third parties are concerned, liability is only assumed for components, not for applications, processes and circuits implemented within components or assemblies. The information describes the type of component and shall not be considered as assured characteristics. Terms of delivery and rights to change design reserved. For questions on technology, delivery and prices please contact the Semiconductor Group Offices in Germany or the Siemens Companies and Representatives worldwide (see address list). Due to technical requirements components may contain dangerous substances. For information on the types in question please contact your nearest Siemens Office, Semiconductor Group. Siemens is an approved CECC manufacturer. Packing Please use the recycling operators known to you. We can also help you get in touch with your nearest sales office. By agreement we will take packing material back, it is sorted. You must bear the costs of transport. For packing material that is returned to us unsorted or which we are not obliged to accept, we shall have to invoice you for any costs incurred. Components used in life-support devices or systems must be expressly authorized for such purpose! Critical components1 of the Semiconductor Group of Siemens AG, may only be used in life-support devices or systems2 with the express written approval of the Semiconductor Group of Siemens AG. 1 A critical component is a component used in a life-support device or system whose failure can reasonably be expected to cause the failure of that life-support device or system, or to affect its safety or effectiveness of that device or system. 2 Life support devices or systems are intended (a) to be implanted in the human body, or (b) to support and/or maintain and sustain human life. If they fail, it is reasonable to assume that the health of the user may be endangered.
Fully compatible to standard 8051 microcontroller Versions for 12/24/40 MHz operating frequency Program memory : completely external × 8 ROM × 8 OTP memory × 8 RAM Four 8-bit ports Three 16-bit timers / counters (timer 2 with up/down counter feature) USART Six interrupt sources, two priority levels Power saving modes Quick Pulse programming algorithm (C501-1E only) 2-Level program memory lock (C501-1E only) P-DIP-40, P-LCC-44, and P-MQFP-44 package Temperature ranges 85 °C
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