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T83C5121

Description
8-bit Microcontroller with MULTI-PROTOCOL SMART CARD INTERFACE
File Size687KB,108 Pages
ManufacturerAtmel (Microchip)
Download Datasheet View All

T83C5121 Overview

8-bit Microcontroller with MULTI-PROTOCOL SMART CARD INTERFACE

Features
80C51 Core
– 12 or 6 Clocks per Instruction (X1 and X2 Modes)
– 256 Bytes Scratchpad RAM
– Dual Data Pointer
– Two 16-bit Timer/Counters: T0 and T1
T83C5121 with 16 Kbytes Mask ROM
T85C5121 with 16 Kbytes Code RAM
T89C5121 with 16 Kbytes Code RAM and 16 Kbytes EEPROM
On-chip Expanded RAM (XRAM): 256 Bytes
Versatile Host Serial Interface
– Full-duplex Enhanced UART (EUART) with Dedicated Baud Rate Generator (BRG):
Most Standard Speeds up to 230K bits/s at 7.36 MHz
– Output Enable Input
– Multiple Logic Level Shifters Options (1.8V to V
CC
)
– Automatic Level Shifter Option
Multi-protocol Smart Card Interface
– Certified with Dedicated Firmware According to ISO 7816, EMV96, GIE-CB, GSM
11.12V and WHQL Standards
– Asynchronous Protocols T = 0 and T = 1 with Direct and Inverse Modes
– Baud Rate Generator Supporting All ISO7816 Speeds up to D = 32/F = 372
– Parity Error Detection and Indication
– Automatic Character Repetition on Parity Errors
– Programmable Timeout Detection
– Card Clock Stop High or Low for Card Power-down Mode
– Support Synchronous Card with C4 and C8 Programmable Outputs
– Card Detection and Automatic De-activation Sequence
– Step-up/down Converter with Programmable Voltage Output: 5V, 3V (± 8% at
60 mA) and 1.8V (±8% at 20 mA)
– Direct Connection to Smart Card Terminals:
Short Circuit Current Limitation
Logic Level Shifters
4 kV ESD Protection (MIL/STD 833 Class 3)
Alternate Card Support with CLK, I/O and RST According to GSM 11.12V Standard
2x I/O Ports: 6 I/O Port1 and 8 I/O Port3
2x LED Outputs with Programmable Current Sources: 2, 4, or 10 mA
Hardware Watchdog
Reset Output Includes
– Hardware Watchdog Reset
– Power-on Reset (POR)
– Power-fail Detector (PFD)
4-level Priority Interrupt System with 7 Sources
7.36 to 16 MHz On-chip Oscillator with Clock Prescaler
Absolute CPU Maximal Frequency: 16 MHz in X1 mode, 8MHz in X2 mode
Idle and Power-down Modes
Voltage Operation: 2.85V to 5.4V
Low Power Consumption
– 8 mA Operating Current (at 5.4V and 3.68 MHz)
– 150 mA Maximum Current with Smart Card Power-on (at 16 MHz X1 Mode)
– 20
µA
Maximum Power-down Current at 3.0V (without Smart Card)
– 30
µA
Maximum Power-down Current at 3.6V (without Smart Card)
– 100
µA
Maximum Power-down Current at 5.4V (without Smart Card)
Temperature Range
– Commercial: 0 to +70°C Operating Temperature
– Industrial: -40 to +85°C Operating Temperature
Packages
– SSOP24
– PLCC52
8-bit
Microcontroller
with Multi-
protocol Smart
Card Interface
T83C5121
T85C5121
T89C5121
Rev. 4164C–SCR–07/03
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