AT89C5131A-PUTUM Atmel, AT89C5131A-PUTUM Datasheet - Page 73
AT89C5131A-PUTUM
Manufacturer Part Number
AT89C5131A-PUTUM
Description
IC 8051 MCU FLASH 32K USB 32QFN
Manufacturer
Atmel
Series
AT89C513xr
Datasheet
1.AT89C5130A-PUTUM.pdf
(188 pages)
Specifications of AT89C5131A-PUTUM
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
Core
8051
Processor Series
AT89x
Data Bus Width
8 bit
Maximum Clock Frequency
48 MHz
Data Ram Size
1.25 KB
Number Of Programmable I/os
34
Number Of Timers
16 bit
Operating Supply Voltage
2.7 V to 5.5 V
Mounting Style
SMD/SMT
Height
0.95 mm
Interface Type
2-Wire, EUART, SPI, USB
Length
7 mm
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Supply Voltage (max)
5.5 V
Supply Voltage (min)
2.7 V
Width
7 mm
For Use With
AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCUAT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-05 - KIT STARTER FOR AT89C5131
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT89C5131A-PUTUM
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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15.3.1
15.3.2
Figure 15-5. Internal Baud Rate
4337K–USB–04/08
(T2CON)
TCLK
X
X
X
0
1
0
1
0
1
Baud Rate Selection Table for UART
Internal Baud Rate Generator (BRG)
Peripheral Clock
BRR
When the internal Baud Rate Generator is used, the Baud Rates are determined by the BRG
overflow depending on the BRL reload value, the value of SPD bit (Speed Mode) in BDRCON
register and the value of the SMOD1 bit in PCON register.
Table 15-1.
(T2CON)
RCLK
• The baud rate for UART is token by formula:
FE/SM0
0
0
1
1
0
1
X
X
X
7
SCON Register – SCON Serial Control Register (98h)
SM1
/6
6
(BRL) = 256
Baud_Rate =
(BDRCON)
TBCK
0
0
0
0
1
1
0
0
1
SPD
0
1
SM2
5
auto reload counter
-
2 x 6
2 x 6
(1-SPD)
(1-SPD)
REN
BRG
BRL
(BDRCON)
2
2
4
SMOD1
RBCK
SMOD1
0
0
0
0
0
0
1
1
1
overflow
x 16 x Baud_Rate
x 16 x [256 - (BRL)]
x F
x
F
CLK PERIPH
CLK PERIPH
TB8
3
AT89C5130A/31A-M
/2
Clock Source
INT_BRG
INT_BRG
INT_BRG
UART Tx
Timer 1
Timer 2
Timer 1
Timer 2
Timer 1
Timer 2
RB8
2
SMOD1
0
1
INT_BRG
TI
1
Clock Source
UART Rx
INT_BRG
INT_BRG
INT_BRG
Timer 1
Timer 1
Timer 2
Timer 2
Timer 1
Timer 2
RI
0
73
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