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PDF AT89C5131A-L Datasheet ( Hoja de datos )

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

Total 30 Páginas
		
AT89C5131A-L 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
– 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
Industrial Temperature Range
Low Voltage Range Supply: 2.7V to 3.6V (3.0V to 3.6V required for USB)
Packages: SO28, PLCC52, VQFP64
8-bit Flash
Microcontroller
with Full Speed
USB Device
AT89C5131A-L
Rev. 4338F–USB–08/07

1 page

AT89C5131A-L pdf
Figure 2. AT89C5131A-L 64-pin VQFP Pinout
AT89C5131A-L
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
NC
P2.3/A11
P2.4/A12
P2.5/A13
XTAL2
XTAL1
P2.6/A14
P2.7/A15
VDD
AVDD
NC
AVSS
NC
P3.0/RxD
NC
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
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
4338F–USB–08/07
Figure 3. AT89C5131A-L 28-pin SO Pinout
P1.5/CEX2/KIN5/MISO 1
P1.6/CEX3/KIN6/SCK 2
P1.7/CEX4/KIN7/MOSI 3
P4.0/SCL 4
P4.1/SDA 5
XTAL2 6
XTAL1 7
VDD 8
AVSS 9
P3.0/RxD 10
PLLF 11
D- 12
D+ 13
VREF 14
SO28
28 P1.4/CEX1/KIN4
27 P1.3/CEX0/KIN3
26 P1.2/ECI/KIN2
25 P1.1/T2EX/KIN1/SS
24 P1.0/T2/KIN0
23 RST
22 VSS
21 P3.7/RD/LED3
20 P3.6/WR/LED2
19 P3.5/T1/LED1
18 P3.4/T0
17 P3.3/INT1/LED0
16 P3.2/INT0
15 P3.1/TxD
5

5 Page

AT89C5131A-L arduino
AT89C5131A-L
Typical Application
Recommended External components
All the external components described in the figure below must be implemented as
close as possible from the microcontroller package.
The following figure represents the typical wiring schematic.
Figure 4. Typical Application
VDD
100nF
VSS
4.7µF
VSS
100nF
VSS
USB
VBUS
D+
D-
GND
VSS
1.5K
27R
27R
2.2nF
100R
10nF
VSS
VSS
VRef
AT89C5131A-L
D+
XTAL1
D- 22pF
Q
22pF
XTAL2
VSS
PLLF
VSS
4338F–USB–08/07
11

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