AT89C5131A-S3SIM Atmel, AT89C5131A-S3SIM Datasheet - Page 92

• Manufacturer Part Number: AT89C5131A-S3SIM
• Description: IC 8051 MCU FLASH 32K USB 52PLCC
• Manufacturer: Atmel
• Series: AT89C513xr

Specifications of AT89C5131A-S3SIM

• 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): 2.7 V ~ 5.5 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: -

18. Programmable LED
92
AT89C5130A/31A-M
AT89C5130A/31A-M have up to 4 programmable LED current sources, configured by the regis-
ter LEDCON.
Table 18-1.
LEDCON (S:F1h) LED Control Register
Reset Value = 00h
Bit Number
7:6
5:4
3:2
1:0
7
LED3
Bit
Mnemonic
LEDCON Register
LED3
LED2
LED1
LED0
6
Description
Port
0
0
1
1
Port
0
0
1
1
Port/
0
0
1
1
Port/
0
0
1
1
5
LED3
0
1
0
1
/LED2
0
1
0
1
LED1
0
1
0
1
LED0
0
1
0
1
LED2
Configuration
Standard C51 Port
2 mA current source when P3.7 is low
4 mA current source when P3.7 is low
10 mA current source when P3.7 is low
Configuration
Standard C51 Port
2 mA current source when P3.6 is low
4 mA current source when P3.6 is low
10 mA current source when P3.6 is low
Configuration
Standard C51 Port
2 mA current source when P3.5 is low
4 mA current source when P3.5 is low
10 mA current source when P3.5 is low
Configuration
Standard C51 Port
2 mA current source when P3.3 is low
4 mA current source when P3.3 is low
10 mA current source when P3.3 is low
4
3
LED1
2
1
LED0
4337K–USB–04/08
0