AT89C5131A-PUTIM Atmel, AT89C5131A-PUTIM Datasheet - Page 75
AT89C5131A-PUTIM
Manufacturer Part Number
AT89C5131A-PUTIM
Description
IC 8051 MCU FLASH 32K USB 32QFN
Manufacturer
Atmel
Series
AT89C513xr
Datasheet
1.AT89C5130A-PUTUM.pdf
(188 pages)
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
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15.4
4337K–USB–04/08
UART Registers
Example of computed value when X2 = 1, SMOD1 = 1, SPD = 1
Example of computed value when X2 = 0, SMOD1 = 0, SPD = 0
The baud rate generator can be used for mode 1 or 3 (refer to Figure 15-4.), but also for mode 0
for UART, thanks to the bit SRC located in BDRCON register (Table 15-4.)
SADEN - Slave Address Mask Register for UART (B9h)
Reset Value = 0000 0000b
SADDR - Slave Address Register for UART (A9h)
Reset Value = 0000 0000b
SBUF - Serial Buffer Register for UART (99h)
Reset Value = XXXX XXXXb
Baud Rates
Baud Rates
7
–
7
–
7
–
115200
57600
38400
28800
19200
9600
4800
4800
2400
1200
600
6
–
6
–
6
–
BRL
BRL
247
238
229
220
203
149
247
238
220
185
43
5
–
5
–
5
–
F
F
OSC
OSC
= 16.384 MHz
= 16.384 MHz
4
–
4
–
4
–
Error (%)
Error (%)
1.23
1.23
1.23
1.23
0.63
0.31
1.23
1.23
1.23
1.23
0.16
3
–
3
–
3
–
AT89C5130A/31A-M
BRL
BRL
2
–
2
–
2
–
243
230
217
204
178
100
243
230
202
152
-
F
F
OSC
OSC
= 24 MHz
= 24 MHz
1
–
1
–
1
–
Error (%)
Error (%)
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
3.55
0.16
-
0
–
0
–
0
–
75
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