(China (Mainland))
Product Summary
The AT89C5122D-UM is a high-performance CMOS derivative of the 80C51 8-bit microcontroller designed for USB smart card reader applications. The AT89C5122D-UM is proposed in ROM version with or without internal data E2PROM. The ROM device is only factory programmable.
Parametrics
AT89C5122D-UM absolute maximum ratings: (1)mbiant Temperature Under Bias: -25 to 85℃; (2)Storage Temperature: -65 to + 150℃; (3)Voltage on VCC to VSS: -0.5 V to + 6.0V; (4)Voltage on Any Pin to VSS: -0.5 V to VCC + 0.5 V; (5)Power Dissipation: 1 W.
Features
AT89C5122D-UM features: (1)Clock Controller; (2)Reset Controller; (3)Power Management; (4)Interrupt Controller; (5)Memory Controller; (6)Two 16-bit Timer/Counters; (7)USB 2.0 Full Speed Interface; (8)ISO 7816 UART Interface Fully Compliant with EMV, GIE-CB and WHQL Standards; (9)Alternate Smart Card Interface with CLK, IO and RST; (10)UART Interface with Integrated Baud Rate Generator (BRG); (11)Keyboard interface with up to 20x8 matrix management capability; (12)Master/Slave SPI Interface; (13)Four 8 bit Ports, one 6 bit port, one 3-bit port.
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