C8051F320 Silicon Laboratories Inc, C8051F320 Datasheet - Page 200

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C8051F320

Manufacturer Part Number
C8051F320
Description
IC 8051 MCU 16K FLASH 32LQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F32xr
Datasheet

Specifications of C8051F320

Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
25
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 17x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-

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C8051F320/1
200
Table 17.1. Timer Settings for Standard Baud Rates Using The Internal Oscillator
Table 17.2. Timer Settings for Standard Baud Rates Using an External Oscillator
Frequency: 24.5 MHz
Target
Baud Rate
(bps)
Frequency: 25.0 MHz
Target
Baud Rate
(bps)
230400
115200
230400
115200
57600
28800
14400
57600
28800
14400
57600
28800
14400
9600
2400
1200
9600
2400
1200
9600
Baud Rate
% Error
Baud Rate
% 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%
SCA1-SCA0 and T1M bit definitions can be found in
SCA1-SCA0 and T1M bit definitions can be found in
Divide
Factor
Divide
Factor
Oscillator
Oscillator
10176
20448
10464
20832
1704
2544
1736
2608
1744
2608
106
212
426
848
108
218
434
872
432
864
Rev. 1.1
Timer Clock
Source
SYSCLK / 12
SYSCLK / 12
SYSCLK / 48
SYSCLK / 48
Timer Clock
Source
SYSCLK / 48
SYSCLK / 48
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
SYSCLK / 4
SYSCLK / 4
SYSCLK / 4
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
SYSCLK
X = Don’t care
X = Don’t care
SCA1-SCA0
(pre-scale select)
SCA1-SCA0
(pre-scale select)
XX
XX
XX
XX
XX
XX
01
00
00
10
10
01
01
10
10
11
11
11
11
11
Section
Section
T1M
T1M
1
1
1
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
19.1.
19.1.
Timer 1
Reload
Value (hex)
Timer 1
Reload
Value (hex)
0xCA
0xCA
0xCB
0x2B
0xB9
0x2B
0x5D
0x5D
0xE5
0x96
0x96
0x96
0x96
0x93
0x27
0x93
0x27
0x93
0x27
0x93

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