C8051F023R Silicon Laboratories Inc, C8051F023R Datasheet - Page 222

• Manufacturer Part Number: C8051F023R
• Description: IC 8051 MCU 64K FLASH 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F02xr

Specifications of C8051F023R

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 32
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 4.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x8b, 8x10b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: 336-1035-2

C8051F020/1/2/3
222
* Assumes SMOD1=1 and T1M=1.
** Numbers in parenthesis show the actual baud rate.
Oscillator frequency (MHz)
22.1184
22.1184
16.5888
16.5888
14.7456
14.7456
12.9024
12.9024
11.0592
11.0592
24.576
24.576
23.592
23.592
18.432
18.432
7.3728
7.3728
5.5296
5.5296
3.6864
3.6864
1.8432
1.8432
9.216
9.216
25.0
25.0
24.0
24.0
Table 21.2. Oscillator Frequencies for Standard Baud Rates
Divide Factor
434
868
320
848
208
833
205
819
192
768
160
640
144
576
128
512
112
448
348
320
256
192
128
96
80
64
48
32
16
64
Rev. 1.4
Timer 1 Load Value*
0xCA
0xCD
0xDC
0xEC
0xCB
0XF3
0xCC
0xEC
0xFD
0xD0
0xD8
0xFA
0xFB
0xFC
0xFE
0xFC
0xE5
0xF3
0xF4
0xF6
0xF7
0xF8
0xE0
0xF9
0xE4
0xE8
0xF0
0xF4
0xF8
0xFF
Resulting Baud Rate (Hz)**
115200 (115384)
115200 (113423)
57600 (57870)
28800 (28921)
28800 (28846)
28800 (28911)
115200
115200
115200
115200
115200
115200
115200
115200
115200
115200
115200
28800
76800
28800
28800
28800
28800
28800
28800
28800
28800
28800
28800
28800