AT89C5131-TISIL Atmel, AT89C5131-TISIL Datasheet - Page 45

• Manufacturer Part Number: AT89C5131-TISIL
• Description: IC 8051 MCU FLASH 32K USB 28SOIC
• Manufacturer: Atmel
• Series: AT89C513xr

Specifications of AT89C5131-TISIL

• Core Processor: C52X2
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: I²C, SPI, UART/USART, USB
• Peripherals: LED, POR, PWM, WDT
• Number Of I /o: 18
• 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: 28-SOIC (7.5mm Width)
• 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: -

Hardware Security Byte
4136B–USB–09/03
Table 44. Hardware Security Byte
Default value after erasing chip: FFh
Notes:
Bit Number
X2B
5-4
2-0
7
7
6
3
1. Only the 4 MSB bits can be access by software.
2. The 4 LSB bits can only be access by parallel mode.
Mnemonic
OSCON1-0
BLJB
LB2:0
BLJB
6
X2B
Bit
-
OSCON1
Description
X2 Bit
Set this bit to start in standard mode
Clear this bit to start in X2 mode.
Bootloader Jump Bit
Set this bit to start the user’s application on next reset at address 0000h.
Cleared this bit to start the bootloader at address F400h (default).
Oscillator Control Bits
These two bits are used to control the oscillator in order to reduce
consumption.
OSCON1 OSCON0 Description
Reserved
The value read from this bit is indeterminate.
Lock Bits
1
1
0
0
5
1
0
1
0
OSCON0
4
oscillator is configured to run from 0 to 32 MHz
oscillator is configured to run from 0 to 16 MHz
oscillator is configured to run from 0 to 8 MHz
this configuration shouldn’t be set
3
-
LB2
2
AT89C5131
LB1
1
LB0
0
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