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PDF AT89C5131 Datasheet ( Hoja de datos )

Número de pieza AT89C5131
Descripción 8-bit Flash Microcontroller
Fabricantes ATMEL Corporation 
Logotipo ATMEL Corporation Logotipo

Total 30 Páginas
		
AT89C5131 Hoja de datos, Descripción, Manual
Features
80C52X2 Core (6 Clocks per Instruction)
– Maximum Core Frequency 48 MHz in X1 Mode, 24MHz 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
32-Kbyte On-chip Flash In-System Programming through USB or UART
4-Kbyte EEPROM for Boot (3-Kbyte) and Data (1-Kbyte)
On-chip Expanded RAM (ERAM): 1024 Bytes
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
– Power-on Reset and USB Bus Reset
– 48 MHz DPLL for Full-speed Bus Operation
– USB 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): 50 ms to
6s at 4 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 32 MHz On-chip Oscillator with Analog PLL for 48 MHz Synthesis
Low Power Voltage Range
– 3.0V to 3.6V
– 30 mA Max Operating Current (at 40 MHz)
– 100 µA Max Power-down Current
Industrial Temperature Range
Packages: PLCC52, VQFP64, MLF48, SO28
8-bit Flash
Microcontroller
with Full Speed
USB Device
AT89C5131
Rev. 4136C–USB–04/05

1 page

AT89C5131 pdf
Figure 2. AT89C5131 64-pin VQFP Pinout
AT89C5131
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
NC 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
4136C–USB–04/05
5

5 Page

AT89C5131 arduino
AT89C5131
Table 12. Power Signal Description (Continued)
Signal
Name Type Description
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.
Alternate
Function
-
4136C–USB–04/05
11

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