AT89C5131-S3SIL Atmel, AT89C5131-S3SIL Datasheet - Page 88

• Manufacturer Part Number: AT89C5131-S3SIL
• Description: IC 8051 MCU FLASH 32K USB 52PLCC
• Manufacturer: Atmel
• Series: AT89C513xr

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: -

Programmable LED
88
AT89C5131
AT89C5131 have up to 4 programmable LED current sources, configured by the regis-
ter LEDCON.
Table 72. 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
Port/LED3 Configuration
0
0
1
1
Port/LED2 Configuration
0
0
1
1
Port/LED1 Configuration
0
0
1
1
Port/LED0 Configuration
0
0
1
1
5
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
LED2
Standard C51 Port
2 mA current source when P3.7 is O
4 mA current source when P3.7 is O
10 mA current source when P3.7 is O
Standard C51 Port
2 mA current source when P3.6 is O
4 mA current source when P3.6 is O
10 mA current source when P3.6 is O
Standard C51 Port
2 mA current source when P3.5 is O
4 mA current source when P3.5 is O
10 mA current source when P3.5 is O
Standard C51 Port
2 mA current source when P3.3 is O
4 mA current source when P3.3 is O
10 mA current source when P3.3 is O
4
3
LED1
2
1
4136B–USB–09/03
LED0
0