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PDF AT89C5131A-M Datasheet ( Hoja de datos )

Número de pieza AT89C5131A-M
Descripción 8-bit Flash Microcontroller
Fabricantes ATMEL Corporation 
Logotipo ATMEL Corporation Logotipo

Total 30 Páginas
		
AT89C5131A-M Hoja de datos, Descripción, Manual
Features
80C52X2 Core (6 Clocks per Instruction)
– Maximum Core Frequency 48 MHz in X1 Mode, 24 MHz in X2 Mode
– Dual Data Pointer
– Full-duplex Enhanced UART (EUART)
– Three 16-bit Timer/Counters: T0, T1 and T2
– 256 Bytes of Scratchpad RAM
16/32-Kbyte On-chip Flash EEPROM In-System Programming through USB
– Byte and Page (128 bytes) Erase and Write
– 100k Write Cycles
3-KbyteFlash EEPROM for Bootloader
– Byte and Page (128 bytes) Erase and Write
– 100k Write Cycles
1-Kbyte EEPROM Data (
– Byte and Page (128 bytes) Erase and Write
– 100k Write Cycles
On-chip Expanded RAM (ERAM): 1024 Bytes
Integrated Power Monitor (POR/PFD) to Supervise Internal Power Supply
USB 1.1 and 2.0 Full Speed Compliant Module with Interrupt on Transfer Completion
– Endpoint 0 for Control Transfers: 32-byte FIFO
– 6 Programmable Endpoints with In or Out Directions and with Bulk, Interrupt or
Isochronous Transfers
• Endpoint 1, 2, 3: 32-byte FIFO
• Endpoint 4, 5: 2 x 64-byte FIFO with Double Buffering (Ping-pong Mode)
• Endpoint 6: 2 x 512-byte FIFO with Double Buffering (Ping-pong Mode)
– Suspend/Resume Interrupts
– 48 MHz PLL for Full-speed Bus Operation
– Bus Disconnection on Microcontroller Request
5 Channels Programmable Counter Array (PCA) with 16-bit Counter, High-speed
Output, Compare/Capture, PWM and Watchdog Timer Capabilities
Programmable Hardware Watchdog Timer (One-time Enabled with Reset-out): 100 ms
to 3s at 8 MHz
Keyboard Interrupt Interface on Port P1 (8 Bits)
TWI (Two Wire Interface) 400Kbit/s
SPI Interface (Master/Slave Mode)
34 I/O Pins
4 Direct-drive LED Outputs with Programmable Current Sources: 2-6-10 mA Typical
4-level Priority Interrupt System (11 sources)
Idle and Power-down Modes
0 to 24 MHz On-chip Oscillator with Analog PLL for 48 MHz Synthesis
Industrial Temperature Range
Extended Range Power Supply: 2.7V to 5.5V (3.3V to 5.5V required for USB)
Packages: PLCC52, VQFP64, QFN32
8-bit Flash
Microcontroller
with Full Speed
USB Device
AT89C5130A-M
AT89C5131A-M

1 page

AT89C5131A-M pdf
AT89C5130A/31A-M
Figure 3-2. AT89C5130A/31A-M 64-pin VQFP Pinout
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
NC 1
P2.3/A11 2
P2.4/A12 3
P2.5/A13 4
XTAL2
XTAL1
P2.6/A14
5
6
7
P2.7/A15 8
VDD 9
AVDD 10
UCAP 11
AVSS 12
NC 13
P3.0/RxD 14
NC 15
NC 16
VQFP64
48 NC
47 NC
46 P0.1/AD1
45 P0.2/AD2
44 RST
43 P0.3/AD3
42 VSS
41 NC
40 P0.4/AD4
39 P3.7/RD/LED3
38 P0.5/AD5
37 P0.6/AD6
36 P0.7/AD7
35 P3.6/WR/LED2
34 NC
33 NC
17 18 19 20 21 22 23 24 25 26 27 28 29 30 3132
4337K–USB–04/08
5

5 Page

AT89C5131A-M arduino
AT89C5130A/31A-M
Table 3-12. Power Signal Description (Continued)
Signal
Name Type Description
Alternate
Function
AVDD
PWR
Analog Supply Voltage
AVDD is used to supply the on-chip PLL and the USB PAD.
-
VSS
GND
Digital Ground
VSS is used to supply the buffer ring and the digital core.
-
UVSS
GND
USB Digital Ground
UVSS is used to supply the USB pads.
-
UCAP
USB Pad Power Capacitor
PWR UCAP must be connect to an external capacitor for USB pad power supply
(for typical application see Figure 4-1 on page 12)
-
VDD
PWR
Digital Supply Voltage
VDD is used to supply the buffer ring on all versions of the device.
It is also used to power the on-chip voltage regulator of the Standard
versions or the digital core of the Low Power versions.
-
VREF
USB pull-up Controlled Output
O VREF is used to control the USB D+ 1.5 kpull up.
The Vref output is in high impedance when the bit DETACH is set in the
USBCON register.
-
4337K–USB–04/08
11

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