AT89C5131-S3SIL Atmel, AT89C5131-S3SIL Datasheet - Page 9
AT89C5131-S3SIL
Manufacturer Part Number
AT89C5131-S3SIL
Description
IC 8051 MCU FLASH 32K USB 52PLCC
Manufacturer
Atmel
Series
AT89C513xr
Datasheet
1.AT89C5131-S3SIL.pdf
(176 pages)
Specifications of AT89C5131-S3SIL
Core Processor
C52X2
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
LED, POR, PWM, WDT
Number Of I /o
34
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
1.25K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
52-PLCC
For Use With
AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-05 - KIT STARTER FOR AT89C5131
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
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4136B–USB–09/03
Table 8. Ports Signal Description
Table 9. Clock Signal Description
Table 10. USB Signal Description
Signal
Signal
Name
Name
Signal
XTAL1
XTAL2
P0[7:0]
P1[7:0]
P2[7:0]
P3[7:0]
P4[1:0]
Name
VREF
PLLF
D+
D-
Type
Type
Type
I/O
I/O
O
O
I/O
I/O
I/O
I/O
I/O
I
I
Description
Input to the on-chip inverting oscillator amplifier
To use the internal oscillator, a crystal/resonator circuit is connected to this
pin. If an external oscillator is used, its output is connected to this pin.
Output of the on-chip inverting oscillator amplifier
To use the internal oscillator, a crystal/resonator circuit is 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.
Description
USB Data + signal
USB Data - signal
USB Reference Voltage
Connect this pin to D+ using a 1.5 k
Description
Port 0
P0 is an 8-bit open-drain bidirectional I/O port. Port 0
pins that have 1s written to them float and can be used
as high impedance inputs. To avoid any parasitic current
consumption, Floating P0 inputs must be pulled to V
V
Port 1
P1 is an 8-bit bidirectional I/O port with internal pull-ups,
except for P1.6 and P1.7 that are true open drain
outputs.
Port 2
P2 is an 8-bit bidirectional I/O port with internal pull-ups.
Port 3
P3 is an 8-bit bidirectional I/O port with internal pull-ups.
Port 4
P4 is an 2-bit bidirectional I/O port.
SS
.
resistor to use the Detach function.
DD
or
AT89C5131
Alternate Function
CEX[4:0]
LED[3:0]
KIN[7:0]
AD[7:0]
A[15:8]
T2EX
INT0
INT1
SDA
RxD
SCL
TxD
ECI
WR
RD
T2
T0
T1
Alternate
Function
Alternate
Function
-
-
-
-
-
-
9
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