AT83EC5123 ATMEL Corporation, AT83EC5123 Datasheet - Page 185

• Manufacturer Part Number: AT83EC5123
• Description: (AT8xx512x) Smart Card Reader ICs
• Manufacturer: ATMEL Corporation

4202B–SCR–07/03
Serial Port Interface (SPI) ................................................................... 99
Timers/Counters ............................................................................... 109
Keyboard Interface ........................................................................... 117
Interrupt System ............................................................................... 121
Reset and Power Monitor ................................................................. 135
Watchdog Timer ................................................................................ 139
Power Management .......................................................................... 142
Data Memory Management .............................................................. 148
Automatic Address Recognition.......................................................................... 89
Asynchronous Modes (Modes 1, 2 and 3) .......................................................... 93
Modes 2 and 3 .................................................................................................... 94
Registers............................................................................................................. 97
Features.............................................................................................................. 99
Signal Description............................................................................................... 99
Functional Description ...................................................................................... 101
Timer/Counter Operations ................................................................................ 109
Timer 0.............................................................................................................. 109
Timer 1.............................................................................................................. 112
Registers........................................................................................................... 114
Introduction ....................................................................................................... 117
Description........................................................................................................ 117
Registers........................................................................................................... 118
INT1 Interrupt Vector ........................................................................................ 123
Registers........................................................................................................... 123
Interrupt Sources and Vector Addresses.......................................................... 134
Reset ................................................................................................................ 135
Power Monitor................................................................................................... 137
Watchdog Timer During Power-down Mode and Idle ....................................... 141
Idle Mode .......................................................................................................... 142
Power-down Mode............................................................................................ 142
Reduced EMI Mode .......................................................................................... 143
USB Interface ................................................................................................... 144
Smart Card Interface ........................................................................................ 145
Keyboard Interface ........................................................................................... 145
Registers........................................................................................................... 146
Expanded RAM (XRAM)................................................................................... 148
Dual Data Pointer Register (DDPTR) ............................................................... 150
ASSEMBLY LANGUAGE ................................................................................. 151
AT8xC5122/23
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