AT89C5131A-S3SUL Atmel, AT89C5131A-S3SUL Datasheet - Page 89

• Manufacturer Part Number: AT89C5131A-S3SUL
• Description: MCU 8051 32K FLASH USB 52-PLCC
• Manufacturer: Atmel
• Series: AT89C513xr

Specifications of AT89C5131A-S3SUL

• 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
• Processor Series: AT89x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 1.25 KB
• Interface Type: 2-Wire, EUART, SPI, USB
• Maximum Clock Frequency: 48 MHz
• Number Of Programmable I/os: 34
• Number Of Timers: 3 bit
• Operating Supply Voltage: 3 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: AT89STK-05
• Minimum Operating Temperature: - 40 C
• For Use With: AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-05 - KIT STARTER FOR AT89C5131
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Details

Programmable LED
4338F–USB–08/07
AT89C5131A-L have up to 4 programmable LED current sources, configured by the
register LEDCON.
Table 71. LEDCON Register
LEDCON (S:F1h) LED Control Register
Reset Value = 00h
Bit
Number
7:6
5:4
3:2
1:0
7
LED3
Bit
Mnemonic
LED3
LED2
LED1
LED0
6
Description
PortLED3Configuration
0
0
1
1
Port/LED2Configuration
0
0
1
1
Port/LED1Configuration
0
0
1
1
Port/LED0Configuration
0
0
1
1
0Standard C51 Port
1 2 mA current source when P3.7 is low
0 4 mA current source when P3.7 is low
1 10 mA current source when P3.7 is low
0 Standard C51 Port
1 2 mA current source when P3.6 is low
0 4 mA current source when P3.6 is low
1 10 mA current source when P3.6 is low
0 Standard C51 Port
1 2 mA current source when P3.5 is low
0 4 mA current source when P3.5 is low
1 10 mA current source when P3.5 is low
0 Standard C51 Port
1 2 mA current source when P3.3 is low
0 4 mA current source when P3.3 is low
1 10 mA current source when P3.3 is low
5
LED2
4
3
LED1
2
1
LED0
0
89