C8051F047R Silicon Labs, C8051F047R Datasheet - Page 285
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C8051F047R
Manufacturer Part Number
C8051F047R
Description
8-bit Microcontrollers - MCU 25 MIPS 32KB 10ADC
Manufacturer
Silicon Labs
Datasheet
1.C8051F044R.pdf
(328 pages)
Specifications of C8051F047R
Product Category
8-bit Microcontrollers - MCU
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
32 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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Table 22.4. Timer Settings for Standard Baud Rates Using an External 18.432 MHz
Table 22.3. Timer Settings for Standard Baud Rates Using an External
Baud Rate
Baud Rate
230400
115200
230400
115200
230400
115200
230400
115200
Target
Target
57600
28800
14400
57600
28800
14400
57600
28800
14400
57600
28800
14400
(bps)
(bps)
9600
2400
1200
9600
9600
2400
1200
9600
X = Don’t care
*Note: SCA1-SCA0 and T1M bit definitions can be found in
Baud Rate
Baud Rate
% Error
% Error
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
0.00%
22.1184 MHz Oscillator
Oscillator
Oscillator
Divide
Factor
Divide
Factor
18432
15360
Frequency: 22.1184 MHz
1536
2304
9216
1536
2304
1280
1920
7680
1280
1920
Frequency: 18.432 MHz
192
384
768
192
384
768
160
320
640
160
320
640
96
96
80
80
Oscillator
Rev. 1.5
SYSCLK / 12
SYSCLK / 12
SYSCLK / 12
SYSCLK / 48
SYSCLK / 48
SYSCLK / 12
SYSCLK / 48
SYSCLK / 48
Timer Clock
Timer Clock
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
SYSCLK / 4
SYSCLK / 4
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
Source
Source
C8051F040/1/2/3/4/5/6/7
SCA1-SCA0
SCA1-SCA0
(pre-scale
(pre-scale
select)
select)
XX
XX
XX
XX
XX
XX
00
00
00
10
10
01
01
00
10
10
11
11
11
11
11
11
11
11
11
11
11
11
*
*
Section 23.1
T1M
T1M
1
1
1
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
*
*
.
Value (hex)
Timer 1
Timer 1
Reload
Reload
Value
0xC0
0xD0
0xEC
0xD0
0xA0
0xE0
0xA0
0xA0
0xFA
0xF4
0xE8
0xA0
(hex)
0xD8
0xB0
0xB0
0xB0
0xB0
0xFB
0xD8
0xB0
0x40
0x40
0x70
0x60
0x60
0x60
0xF6
0x88
285
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