AT89C5131A-PUTIM Atmel, AT89C5131A-PUTIM Datasheet - Page 72

• 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: -

15.3
72
Baud Rate Selection for UART for Mode 1 and 3
AT89C5130A/31A-M
SADEN - Slave Address Mask Register (B9h)
Reset Value = 0000 0000b
Not bit addressable
SADDR - Slave Address Register (A9h)
Reset Value = 0000 0000b
Not bit addressable
The Baud Rate Generator for transmit and receive clocks can be selected separately via the
T2CON and BDRCON registers.
Figure 15-4. Baud Rate Selection
7
7
TIMER1
TIMER2
TIMER1
TIMER2
INT_BRG
INT_BRG
6
6
RCLK
TCLK
5
5
0
1
0
1
TIMER_BRG_RX
TIMER_BRG_TX
4
4
3
3
RBCK
TBCK
0
1
0
1
2
2
/ 16
/ 16
Rx Clock
1
1
Tx Clock
4337K–USB–04/08
0
0