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PDF AT90SCR100 Data sheet ( Hoja de datos )
| Número de pieza | AT90SCR100 | |
| Descripción | 8-bit Microcontroller | |
| Fabricantes | ATMEL Corporation | |
| Logotipo |  |
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General Features
• High Performance, Low Power AVR® 8-Bit Microcontroller
• Advanced RISC Architecture
– 131 Powerful Instructions - Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Up to 16MIPS Throughput at 16Mhz
– On-chip 2-cycle Multiplier
• Non-volatile Program and Data Memories
– 64K Bytes of In-System Self-Programmable Flash
• Endurance: 10,000 Write/Erase Cycles
– 4K Bytes EEPROM
• Contains 128 Bytes of One Time Programmable Memory
• Endurance: 100,000 Write/Erase Cycles
– 4K Bytes Internal SRAM
– Optional Boot Code Section
• In-System Programming by On-chip Bootloader program
• JTAG (IEEE std. 1149.1 compliant) Interface
– Boundary-scan Capabilities According to the JTAG Standard
– Extensive On-chip Debug Support
– Programming of Flash, EEPROM, Fuses, and Locks Bits through JTAG Interface
– Locking JTAG for Software Security (using OTP programmation)
• ISO7816 UART Interface Fully compliant with EMV, GIE-CB and WHQL Standards
– Programmable ISO clock from 1 Mhz to 4.8, 6, 8 or 12Mhz
– Card insertion/removal detection with automatic deactivation sequence
– Programmable Baud Rate Generator from 372 to 3 clock cycles
– Synchronous/Asynchronous Protocols T=0 and T=1 with Direct of Inverse
Convention
– Automatic character repetition on parity errors
– 32 Bit Waiting Time Counter
– 16 Bit Guard Time Counter/Block Guard Time Counter
– Internal Step Up/Down Converter with Programmable Voltage Output if DC/DC
embedded:
• Class A: 5V +/-8% at 60mA, Vcc>2.85 (50mA if Vcc >2.7)
• Class B: 3V +/-8% at 60mA, Vcc>2.85 (50mA if Vcc >2.7)
• Class C: 1.8V +/-8% at 35mA
– ISO7816-12 USB Host controller for card interface
• Supports up to 60mA USB Smart Cards
• Supports limited cable length to Smart Card Connector (~50cm)
– 4 kV ESD (MIL/STD 833 Class 3) protection on whole Smart Card Interface
• USB 2.0 Full-speed Device Module
– Complies fully with:
• Universal Serial Bus Specification Rev 2.0
– Supports data transfer rates up to 12 Mbit/s
– Endpoint 0 for Control Transfers : up to 64-bytes
– 8 Programmable Endpoints with IN or OUT Directions and with Bulk, Interrupt or
Isochronous Transfers
• 3 Programmable Endpoints with double buffering of 64x2 bytes
– Suspend/Resume Interrupts, and Remote Wake-up Support
– Power-on Reset and USB Bus Reset
8-bit
Microcontroller
for Smart Card
Readers
AT90SCR100
Summary
Preliminary
6568AX–SMS–23Oct08
SUMMARY PRELIMINARY
1 page  
AT90SCR100
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3. Pin List Configuration
• 2 package configurations to answer different needs
– 32pins: LowPinCount package: for small package size, useful for small embedded systems
(AT90SCR100L and AT90SCR100LS)
– 64pins: FullPinCount: For full performance advanced reader (AT90SCR100H)
!
Caution
On Full Pin Count (FPC) package, the only supported package type is QFN, and
we connect all the Vss signals to the e-pad. It is important to have it fully soldered
on groundplane of final PCB.
• USBReg refers to 3.3V USB specific regulator
• PCINTx refer to Pin Change Interrupts. See “External Interrupt Registers” in full
Note Datasheet.
!
Caution
Take care of the multiplexed functionnalities of each port. All functionnalities may
be active at the same time. The only way to disable a feature is to deactive it inside
the corresponding peripheral blokck.
Table 3-1. Pin List Configuration
ID
Vcc
Vss
AVss
xx x
x x e(1)
x x e(1)
RST x x x
Xtal1 x x x
Xtal2 x x x
DVcc x x x
Vcc2 x x x
Vcc3 - - x
Vcc4 - - x
Vcc5 - - x
Vdcdc x x x
Vss2 x x e(1)
Vss3 x x e(1)
-
Vcc
-
D+
D-
UCap
xx
xx
xx
x
x
x
USB
Reg
RTC1 - -
RTC2 - -
x
x
Vcc
6568AX–SMS–23Oct08
Vcc
Vss
AVss
RST
XTAL1
XTAL2
DVcc
Vcc2
Vcc3
Vcc4
Vcc5
Vdcdc
Vss2
Vss3
D+
D-
UCap
TOSC1
TOSC2
Configuration, Role
Voltage Supply
Ground
PLL Ground
Reset signal: Drive low to reinitialize the chip
Clock Input: Support up to 8 Mhz cristals
Digital Vcc:Used for internal regulator decoupling
Voltage Supply: To be tied to same Vcc supply voltage
Voltage Supply: To be tied to same Vcc supply voltage
Voltage Supply: To be tied to same Vcc supply voltage
Voltage Supply: To be tied to same Vcc supply voltage
Voltage Supply for DC/DC Converter.
Second Vss: To be tied to Vss
Third Vss: To be tied to Vss
USB Interface
USB Decoupling: Used for specific USB regulator decoupling
TOSCx: 32.768 Khz cristal input for Real Time Clock. (Please
note that these pins are not GPIO accessible).
SUMMARY PRELIMINARY
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet AT90SCR100.PDF ] | |
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