AT89C51IC2 Atmel Corporation, AT89C51IC2 Datasheet - Page 53

• Manufacturer Part Number: AT89C51IC2
• Manufacturer: Atmel Corporation

Specifications of AT89C51IC2

• Flash (kbytes): 32 Kbytes
• Max. Operating Frequency: 60 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Sram (kbytes): 1.25
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 5.5
• Timers: 4
• Isp: UART
• Watchdog: Yes

4301D–8051–02/08
Table 38. Example of computed value when X2=1, SMOD1=1, SPD=1
Table 39. 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 20.), but also for
mode 0 for UART, thanks to the bit SRC located in BDRCON register (Table 46.)
Baud Rates
Baud Rates
115200
57600
38400
28800
19200
9600
4800
4800
2400
1200
600
BRL
BRL
247
238
229
220
203
149
247
238
220
185
43
F
F
OSCA
OSCA
= 16.384 MHz
= 16.384 MHz
Error (%)
Error (%)
1.23
1.23
1.23
1.23
0.63
0.31
1.23
1.23
1.23
1.23
0.16
BRL
BRL
243
230
217
204
178
100
243
230
202
152
-
F
F
OSCA
OSCA
= 24MHz
= 24MHz
Error (%)
Error (%)
0.16
0.16
0.16
0.16
0.16
0.16
0.16
0.16
3.55
0.16
-
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