C8051F314R Silicon Labs, C8051F314R Datasheet - Page 170
C8051F314R
Manufacturer Part Number
C8051F314R
Description
8-bit Microcontrollers - MCU 8KB 10ADC
Manufacturer
Silicon Labs
Datasheet
1.C8051F313R.pdf
(228 pages)
Specifications of C8051F314R
Product Category
8-bit Microcontrollers - MCU
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
8 KB
Data Ram Size
1.25 KB
On-chip Adc
Yes
Operating Supply Voltage
2.7 V to 3.6 V
Package / Case
LQFP-32
Mounting Style
SMD/SMT
A/d Bit Size
10 bit
A/d Channels Available
17
Data Rom Size
128 B
Interface Type
I2C, SMBus, SPI, UART
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
29
Number Of Timers
5
On-chip Dac
No
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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Baud Rate
Baud Rate
230400
115200
230400
115200
Target
Target
57600
28800
14400
57600
28800
14400
57600
28800
14400
(bps)
(bps)
9600
2400
1200
9600
2400
1200
9600
Table 15.1. Timer Settings for Standard Baud Rates
Table 15.2. Timer Settings for Standard Baud Rates
*Note: SCA1–SCA0 and T1M bit definitions can be found in
*Note: SCA1–SCA0 and T1M bit definitions can be found in
Baud Rate
Baud Rate
% Error
% Error
–0.32%
–0.32%
–0.32%
–0.32%
–0.32%
–0.47%
–0.01%
–0.01%
–0.01%
–0.47%
–0.47%
0.15%
0.15%
0.15%
0.45%
0.45%
0.15%
0.45%
0.45%
0.15%
Using an External 25 MHz Oscillator
Using the Internal Oscillator
tor Divide
tor Divide
Oscilla-
Oscilla-
Factor
Factor
10176
20448
10464
20832
1704
2544
1736
2608
1744
2608
106
212
426
848
108
218
434
872
432
864
Frequency: 24.5 MHz
Frequency: 25.0 MHz
Rev. 1.7
SYSCLK / 12
SYSCLK / 12
SYSCLK / 48
SYSCLK / 48
SYSCLK / 48
SYSCLK / 48
Timer Clock
Timer Clock
SYSCLK / 4
SYSCLK / 4
SYSCLK / 4
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
Source
Source
X = Don’t care
X = Don’t care
SCA1-SCA0
SCA1-SCA0
(pre-scale
(pre-scale
select)*
select)*
XX
XX
XX
01
00
00
10
10
XX
XX
XX
01
01
10
10
11
11
11
11
11
Section 17.1
Section 17.1
T1M*
T1M*
1
1
1
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
Reload Value
Reload Value
.
.
Timer 1
Timer 1
(hex)
0xCB
0xCA
0xCA
0x2B
0xB9
0x2B
(hex)
0x5D
0xE5
0x5D
0x96
0x96
0x96
0x96
0x93
0x27
0x93
0x27
0x93
0x27
0x93
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