C8051F045R Silicon Labs, C8051F045R Datasheet - Page 273
C8051F045R
Manufacturer Part Number
C8051F045R
Description
8-bit Microcontrollers - MCU 25 MIPS 64KB 10ADC
Manufacturer
Silicon Labs
Datasheet
1.C8051F044R.pdf
(328 pages)
Specifications of C8051F045R
Product Category
8-bit Microcontrollers - MCU
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
64 KB
Data Ram Size
4.25 KB
On-chip Adc
Yes
Operating Supply Voltage
2.7 V to 3.6 V
Package / Case
TQFP-64
Mounting Style
SMD/SMT
A/d Bit Size
10 bit
A/d Channels Available
13
Data Rom Size
64 KB
Interface Type
CAN, SMBus, SPI, UART
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
32
Number Of Timers
16 bit
Processor Series
C8051
Program Memory Type
Flash
Factory Pack Quantity
500
Supply Voltage - Max
3.6 V
Supply Voltage - Min
2.7 V
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Notes:
Oscillator frequency
1. Assumes SMOD0=1 and T1M=1.
2. Numbers in parenthesis show the actual baud rate.
22.1184
11.0592
22.1184
11.0592
22.1184
11.0592
18.432
3.6864
1.8432
18.432
3.6864
1.8432
18.432
3.6864
1.8432
(MHz)
24.0
24.0
24.0
Table 21.2. Oscillator Frequencies for Standard Baud Rates
Divide Factor
2496
2304
1920
1152
208
192
160
832
768
640
348
128
384
192
96
32
16
64
Timer 1 Reload
Value
0xCC
0xFE
0xD0
0xD8
0xFC
0xF3
0xF4
0xF6
0xFA
0xFF
0xE8
0xF8
0xB8
0xE8
0xF4
0x64
0x70
0x88
Rev. 1.5
1
C8051F040/1/2/3/4/5/6/7
Timer 2, 3, or 4
Reload Value
0xFFCC
0xFFFC
0xFFFA
0xFFFE
0xFFFF
0xFFD0
0xFFD8
0xFFE8
0xFFF8
0xFFB8
0xFFE8
0xFFF4
0xFFF3
0xFFF4
0xFFF6
0xFF64
0xFF70
0xFF88
Resulting Baud Rate (Hz)
115200 (115384)
28800 (28846)
9600 (9615)
115200
115200
115200
115200
115200
28800
28800
28800
28800
28800
9600
9600
9600
9600
9600
273
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