鈥?/div>
Clock Controller
鈥?80C51 core with 6 clocks per instruction
鈥?8 MHz On-Chip Oscillator
鈥?PLL for generating 96 MHz clock to supply CPU core, USB and Smart Card Interfaces
鈥?Programmable CPU clock from 500 kHz / X1 to 48 MHz / X1
Reset Controller
鈥?Power On Reset (POR) feature avoiding an external reset capacitor
鈥?Power Fail Detector (PFD)
鈥?Watch-Dog Timer
Power Management
鈥?Two power saving modes: Idle and Power Down
鈥?Four Power Down Wake-up Sources: Smart Card Detection, Keyboard Interrupt, USB
Resume, External Interrupt
鈥?Input Voltage Range: 4.5V - 5.5V
鈥?Core鈥檚 Power Consumption (Without Smart Card and USB):
鈥?0 mA Maximum Operating Current @ 48 MHz / X1
鈥?00
碌A(chǔ)
Maximum Power-down Current @ 5.5V
Interrupt Controller
鈥?up to 7 interrupt sources
鈥?up to 4 Level Priority
Memory Controller
鈥?Internal Program memory: up to 16 Kbytes of ROM
鈥?Internal Data Memory : 768 bytes including 256 bytes of data and 512 bytes of XRAM
Two 16-bit Timer/Counters
USB 2.0 Full Speed Interface
鈥?48 MHz DPLL
鈥?On-Chip 3.3V USB voltage regulator and transceivers
鈥?Software detach feature
鈥?7 endpoints programmable with In or out directions and ISO, Bulk or Interrupt Transfers :
鈥ndpoint 0: 32 Bytes Bidirectionnal FIFO for Control transfers
鈥ndpoints 1,2,3: 8 bytes FIFO
鈥ndpoints 4,5: 64 Bytes FIFO
鈥ndpoint 6: 2*64 bytes FIFO with Pin-Pong feature
ISO 7816 UART Interface Fully Compliant with EMV2000, GIE-CB and WHQL Standards
鈥?Programmable ISO clock from 1 MHz to 4.8 MHz
鈥?Card insertion/removal detection with automatic deactivation sequence
鈥?Programmable Baud Rate Generator from 372 to 11.625 clock pulses
鈥?Synchronous/Asynchronous Protocols T=0 and T=1 with Direct or Inverse Convention
鈥?Automatic character repetition on parity errors
鈥?32 Bit Waiting Time Counter
鈥?16 Bit Guard Time Counter
鈥?Internal Step Up/Down Converter with Programmable Voltage Output:
鈥?.8V-30mA, 3V-50mA and 5V-60mA
鈥?Current overload protection
鈥?6 kV ESD (MIL/STD 833 Class 3) protection on whole Smart Card Interface
Alternate Smart Card Interface with CLK, IO and RST
UART Interface with Integrated Baud Rate Generator (BRG)
Four 12 I/O bit Ports
鈥?Up to four LED outputs with 3 level programmable current source: 2, 4 and 10 mA
鈥?Two General Purpose I/O programmable as external interrupts
Packages
鈥?VQFP32, QFN32, Die
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
C51
Microcontroller
with USB and
Smart Card
Reader
Interfaces
AT83C5127
Summary
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
For detailed functional description,
please refer to the AT8xC5122/23
datasheet.
7519A鈥揝CR鈥?4/05
1
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