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W79E217A Datasheet(PDF) 6 Page - Winbond |
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W79E217A Datasheet(HTML) 6 Page - Winbond |
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6 / 207 page  Preliminary W79E217A Data Sheet Publication Release Date: December 14, 2007 - 6 - Revision A3.0 2. FEATURES Fully-static-design 8-bit 4T-8051 CMOS microcontroller up to 33MHz. 64-KB of in-system-programmable Flash EPROM (AP Flash EPROM). 4-KB of Auxiliary Flash EPROM for the loader program (LD Flash EPROM). User can optionally reboot from LD Flash EPROM by pull low at either P4.3 or P3.6 and P3.7, at external reset. 2-KB auxiliary RAM, software-selectable, accessed by MOVX instruction. 2-KB of NVM Data Flash EPROM for customer data storage used. 256 bytes of scratch-pad RAM. Seven 8-bit bi-directional ports; Port 0 has internal pull-up resisters enabled by software. One 4-bit multipurpose I/O port4 with Chips select (CS) and boot function. Three 16-bit timers. One 16-bit Timer 3 for Motion Feed-Back Module. Motion Feedback Module - QEI decoder and 3 Inputs Capture. Eight channels of 12-bit PWM:- − Complementary paired output with programmable dead-time insertion. − Three modes: Edge aligned, center aligned and single shot. − Output override control for BLDC motor application. 10-bit ADC with 8-channel inputs. Two enhanced full-duplex UART with framing-error detection and automatic address recognition. One channel of I2C with master/slave capability. One channel of SPI with master/slave capability. LCD driver output:- − 32segment X 4common. − 1/3 duty (1/3 bias), 1/4 duty (1/3 bias) driving mode can be selected. − LCD driver output pin can be used as DC output. Software programmable access cycle to external RAM/peripherals. 20 interrupt sources with four levels of priority. Software reset function. Optional H/L state of ALE/PSEN during power down mode. Built-in power management. Code protection. Package: − Lead Free (RoHS) PQFP 100: W79E217AFG |
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Similar Description - W79E217A |
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