AT89C51ED2-SLRIM Atmel, AT89C51ED2-SLRIM Datasheet - Page 54
AT89C51ED2-SLRIM
Manufacturer Part Number
AT89C51ED2-SLRIM
Description
IC MCU FLASH 8051 64K 5V 44-PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet
1.ATWEBDVK-02RC.pdf
(137 pages)
Specifications of AT89C51ED2-SLRIM
Core Processor
8051
Core Size
8-Bit
Speed
60MHz
Connectivity
SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
34
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
-
Other names
AT89C51ED2SLRIMTR
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14.5
54
UART Registers
AT89C51RD2/ED2
Table 14-5.
Table 14-6.
The baud rate generator can be used for mode 1 or 3 (refer to Figure 14-4.), but also for mode 0
for UART, thanks to the bit SRC located in BDRCON register (Table 14-13.)
Table 14-7.
SADEN - Slave Address Mask Register for UART (B9h)
Reset Value = 0000 0000b
Table 14-8.
SADDR - Slave Address Register for UART (A9h)
Reset Value = 0000 0000b
Baud Rates
Baud Rates
7
7
115200
57600
38400
28800
19200
9600
4800
4800
2400
1200
600
Example of Computed Value When X2=1, SMOD1=1, SPD=1
Example of Computed Value When X2=0, SMOD1=0, SPD=0
SADEN Register
SADDR Register
6
6
BRL
BRL
247
238
229
220
203
149
247
238
220
185
43
5
5
F
F
OSC
OSC
= 16. 384 MHz
= 16. 384 MHz
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
BRL
BRL
2
2
243
230
217
204
178
100
243
230
202
152
-
F
F
OSC
OSC
= 24MHz
= 24MHz
1
1
4235K–8051–05/08
Error (%)
Error (%)
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
3.55
0.16
-
0
0
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