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Features
* Clock Controller
- 80C51 core with 6 clocks per instruction - 8 MHz On-Chip Oscillator - PLL for generating 96 MHz clock to supply CPU core, USB and Smart Card Interfaces - Programmable CPU clock from 500 kHz / X1 to 48 MHz / X1 Reset Controller - Power On Reset (POR) feature avoiding an external reset capacitor - Power Fail Detector (PFD) - Watch-Dog Timer Power Management - Two power saving modes: Idle and Power Down - Four Power Down Wake-up Sources: Smart Card Detection, Keyboard Interrupt, USB Resume, External Interrupt - Input Voltage Range: 4.5V - 5.5V - Core's Power Consumption (Without Smart Card and USB): *30 mA Maximum Operating Current @ 48 MHz / X1 *200 A Maximum Power-down Current @ 5.5V Interrupt Controller - up to 7 interrupt sources - up to 4 Level Priority Memory Controller - Internal Program memory: up to 16 Kbytes of ROM - 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 - 48 MHz DPLL - On-Chip 3.3V USB voltage regulator and transceivers - Software detach feature - 7 endpoints programmable with In or out directions and ISO, Bulk or Interrupt Transfers : *Endpoint 0: 32 Bytes Bidirectionnal FIFO for Control transfers *Endpoints 1,2,3: 8 bytes FIFO *Endpoints 4,5: 64 Bytes FIFO *Endpoint 6: 2*64 bytes FIFO with Pin-Pong feature ISO 7816 UART Interface Fully Compliant with EMV2000, GIE-CB and WHQL Standards - Programmable ISO clock from 1 MHz to 4.8 MHz - Card insertion/removal detection with automatic deactivation sequence - Programmable Baud Rate Generator from 372 to 11.625 clock pulses - Synchronous/Asynchronous Protocols T=0 and T=1 with Direct or Inverse Convention - Automatic character repetition on parity errors - 32 Bit Waiting Time Counter - 16 Bit Guard Time Counter - Internal Step Up/Down Converter with Programmable Voltage Output: *1.8V-30mA, 3V-50mA and 5V-60mA - Current overload protection - 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 - Up to four LED outputs with 3 level programmable current source: 2, 4 and 10 mA - Two General Purpose I/O programmable as external interrupts Packages - VQFP32, QFN32, Die
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C51 Microcontroller with USB and Smart Card Reader Interfaces AT83C5127 Summary
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* * * *
For detailed functional description, please refer to the AT8xC5122/23 datasheet.
7519A-SCR-04/05
1
Product description
AT83C5127 product is high-performance CMOS derivatives of the 80C51 8-bit microcontrollers designed for USB smart card reader applications. The AT83C5127 is a low pin count of the AT8xC5122 and is proposed in ROM version. The ROM device is only factory programmable.
Block Diagram
VSS VCC
INT[0-1]
CRST1 CCLK1
3.3 V Regulator
X TAL1 X TAL2
8 MHz Oscillator
256 x 8 RAM 80C518-BIT CORE
256 x 8 RAM
512 x 8 X RAM
UART Interface
16-BIT TIMERS
Interrupt Controller
Alternate Card
DC/DC Converter ISO 7816 Interface
CVSS
T[0-1]
L I CVCC
CIO1
RxD TxD
CP S RE CRS T CCLK CIO CC4 CC8
PLLF
PLL
INTERNALADDRESSANDDATABUS
RS T
WATCH-DOG PR O P FD RESET
16K x 8 RO M
ParallelI/OPorts 3-BIT P RT O 8-BIT P RT O 1-BIT P RT O LED's
US B Interface
3.3V Regulator
D+ D-
VREF
2
AT83C5127
7519A-SCR-04/05
P1[2,6-7]
LED[0-3]
P3[0-7]
AVCC AVSS DVCC
P5.0
AT83C5127
Package Description
Figure 1. VQFP32 Package Pinout
CIO P1.7/CCLK1
DAVCC PLLF
VREF
32 31 30 29 28 27 26 25
DVCC P1.2/CPRES CC8 CRST CC4 CCLK P5.0 VSS
AVSS
D+
1 2 3 4 5 6 7 8
CVCC
VQFP32
24 23 22 21 20 19 18 17
P3.1/TxD P1.6 P3.0/RxD P3.5/T1/CRST1 P3.2/INT0/LED0/CIO1 P3.3/INT1 P3.4/T0/LED1 P3.6/LED2
9 10 11 12 13 14 15 16
LI CVSS VREF P3.7/LED3 XTAL1 XTAL2 RST DAVCC PLLF AVSS VCC D+
Figure 2. MLF32 Package Pinout
CIO P1.7/CCLK1
32 31 30 29 28 27 26 25
DVCC P1.2/CPRES CC8 CRST CC4 CCLK P5.0 VSS
1 2 3 4 5 6 7 8
CVCC
MLF32
24 23 22 21 20 19 18 17
P3.1/TxD P1.6 P3.0/RxD P3.5/T1/CRST1 P3.2/INT0/LED0/CIO1 P3.3/INT1 P3.4/T0/LED1 P3.6/LED2
9 10 11 12 13 14 15 16
P3.7/LED3 XTAL1 XTAL2 RST LI CVSS VCC
3
7519A-SCR-04/05
Pin Description
Table 1. Pin Description
LQFP32 QFN32 Internal Power Supply CVCC ESD 6KV I/O I/O Reset Level 0 Alt CIO Reset Config Port51 Conf 1 Conf 2 Conf 3 Led
Port CIO
32
32
CVCC inactive at reset. ESD tested with a 10F on CVCC CVCC inactive at reset ESD tested with a 10F on CVCC Weak & medium pull-up can be disconnected CVCC inactive at reset ESD tested with a 10F on CVCC CVCC inactive at reset ESD tested with a 10F on CVCC CVCC inactive at reset ESD tested with a 10F on CVCC
CC4
3
3
CVCC
6KV
I/O
0
CC8
Port51
P1.2
2
2
VCC
2KV
I/O
1
CPRES
Port51
CC4
5
5
CVCC
6KV
I/O
0
CC4
Port51
CCLK
6
6
CVCC
6KV
O
0
CCLK
Push-pull
CRST
4
4
CVCC
6KV
O
0
CRST
Push-pull
P1.6 P1.7 P3.0 P3.1 P3.2 P3.3 P3.4 P3.5 P3.6 P3.7 P5.0
23 31 22 24 20 19 18 21 17 13 7
23 31 22 24 20 19 18 21 17 13 7
VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC VCC
2KV 2KV 2KV 2KV 2KV 2KV 2KV 2KV 2KV 2KV 2KV
I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O I/O
1 1 1 1 1 1 1 1 1 1 1 Reset Input CCLK1 RxD TxD INT0 INT1 T0 T1
Port51 Port51 Port51 Port51 Port51 Port51 Port51 Port51 Port51 Port51 Port51 Push-pull LED2 LED3 Push-pull Push-pull LED1 Push-pull Push-pull LED0
The Port pins are driven to their reset conditions when a voltage lower than VIL is applied, whether or not the oscillator is running. RST 16 16 VCC I/0 This pin has an internal 10K pull-up resistor which allows the device to be reset by connecting a capacitor between this pin and VSS. Asserting RST when the chip is in Idle mode or Power-Down mode returns the chip to normal operation. The output is active for at least 12 oscillator periods when an internal reset occurs.
4
AT83C5127
7519A-SCR-04/05
AT83C5127
Table 1. Pin Description (Continued)
LQFP32 QFN32 Internal Power Supply ESD I/O Reset Level Alt Reset Config Conf 1 Conf 2 Conf 3 Led
Port
USB Positive Data Upstream Port D+ 29 29 DVCC I/O This pin requires an external serial resistor of 33 and a 1.5 K pullup to VREF for full speed configuration. USB Negative Data Upstream Port This pin requires an external serial resistor of 33 USB Voltage Reference: 3.0 < VREF < 3.6 V VREF can be connected to D+ through a 1.5 K resistor. The VREF voltage is controlled by software. Input to the on-chip inverting oscillator amplifier To use the internal oscillator, a crystal or an external oscillator must be connected to this pin. Output of the on-chip inverting oscillator amplifier To use the internal oscillator, a crystal circuit must be connected to this pin. If an external oscillator is used, leave XTAL2 unconnected. PLL Low Pass Filter input Receives the RC network of the PLL low pass filter. Analog Supply Voltage AVCC 27 27 PWR AVCC is used to supply the internal 3.3V analog regulator which supplies the internal USB driver Supply Voltage VCC 12 12 PWR VCC is used to supply the internal 3.3V digital regulator which supplies the PLL, CPU core and internal I/O's DC/DC Input LI supplies the current for the charge pump of the DC/DC converter. LI 10 10 PWR - LI tied directly to VCC : the DC/DC converter must be configured in regulator mode. - LI tied to VCC through an external 10H coil : the DC/DC converter can be configured either in regulator or in pump mode. Card Supply Voltage CVCC 9 9 PWR CVCC is the ouput of internal DC/DC converter which supplies the Smart Card Interface. It must be connected to an external decoupling capacitor of 10 F with the lowest ESR as this parameter influences on the CVCC noise Digital Supply Voltage DVCC 1 1 PWR DVCC is the output of the internal analog 3.3V regulator which supplies the USB driver. This pin must be connected to an external 680nF decoupling capacitor if the USB interface is used. DC/DC Ground CVSS is used to sink high shunt currents from the external coil Digital Ground VSS is used to supply the PLL, buffer ring and the digital core Analog Ground AVSS is used to supply the USB driver.
D-
28
28
DVCC
I/O
VREF
30
30
AVCC
O
XTAL1
14
14
VCC
I
XTAL2
15
15
VCC
O
PLLF
26
26
AVCC
O
CVSS
11
11
GND
VSS AVSS
8 25
8 25
GND GND
5
7519A-SCR-04/05
AT83C5127
Ordering Information
Part Number AT83C5127XXX-RATIM AT83C5127xxx-RARIM AT83C5127xxx-PUTIM AT83C5127xxx-PURIM Memory Size (bytes) 16K ROM 16K ROM 16K ROM 16K ROM Supply Voltage (V) 4.5 - 5.5 4.5 - 5.5 4.5 - 5.5 4.5 - 5.5 Temperature Max Frequency Range (MHz) Industrial Industrial Industrial Industrial 48 MHz / X1 48 MHz / X1 48 MHz / X1 48 MHz / X1 Lead free/ RoHS Package LQFP32 LQFP32 QFN32 QFN32 Packing Tray Tape & Reel Tray Tape & Reel Part Number AT83C5127xxx-RATUM AT83C5127xxx-RARUM AT83C5127xxx-PUTUM AT83C5127xxx-PURUM
7
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Packaging Information
LQFP32 Package
8
AT83C5127
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AT83C5127
QFN32 Package
9
7519A-SCR-04/05
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7519A-SCR-04/05

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