AT89C5131A-PUTIM Atmel, AT89C5131A-PUTIM Datasheet - Page 108

• Manufacturer Part Number: AT89C5131A-PUTIM
• Description: IC 8051 MCU FLASH 32K USB 32QFN
• Manufacturer: Atmel
• Series: AT89C513xr

Specifications of AT89C5131A-PUTIM

• 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): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• 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: -

108
CR2
1
1
1
1
AT89C5130A/31A-M
CR1
0
0
1
1
CR0
0
1
0
1
F
OSCA
0.5 <. < 62.5
= 12 MHz
100
200
-
Bit Frequency ( kHz)
F
OSCA
0.67 <. < 83
133.3
266.6
= 16 MHz
-
Timer 1 in mode 2 can be used as TWI baudrate
generator with the following formula:
96.(256-”Timer1 reload value”)
F
OSCA
Unused
divided by
120
60
4337K–USB–04/08