C8051F047 Silicon Laboratories Inc, C8051F047 Datasheet - Page 287
C8051F047
Manufacturer Part Number
C8051F047
Description
IC 8051 MCU 32K FLASH 64TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F04xr
Specifications of C8051F047
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
CAN, 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
32KB (32K 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 13x10b
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
336-1159
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Table 22.6. Timer Settings for Standard Baud Rates Using an External 3.6864 MHz
Table 22.5. Timer Settings for Standard Baud Rates Using an External
Baud Rate
Baud Rate
230400
115200
230400
115200
230400
230400
115200
115200
Target
57600
28800
14400
57600
28800
14400
Target
57600
28800
14400
57600
28800
14400
(bps)
9600
2400
1200
9600
(bps)
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%
11.0592 MHz Oscillator
Oscillator
Oscillator
Divide
Factor
Factor
Divide
Frequency: 11.0592 MHz
4608
9216
1152
1152
Frequency: 3.6864 MHz
1536
3072
192
384
768
192
384
768
128
256
384
128
256
384
48
96
48
96
16
32
64
16
32
64
Oscillator
Rev. 1.5
SYSCLK / 12
SYSCLK / 12
SYSCLK / 12
SYSCLK / 48
SYSCLK / 12
Timer Clock
SYSCLK / 12
Timer Clock
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
EXTCLK / 8
SYSCLK
SYSCLK
SYSCLK
SYSCLK
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
11
11
11
11
11
11
XX
XX
XX
XX
00
00
10
00
11
11
11
11
11
11
*
Section 23.1
*
T1M
T1M
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
*
*
.
Value (hex)
Timer 1
Reload
Timer 1
Reload
0xC0
0xC0
0xFE
0xFC
0xF8
0xF0
0xE0
0xFF
0xF8
0xF0
0xE8
Value
0x80
0x40
0x80
0xFD
(hex)
0xE8
0xD0
0xA0
0xE0
0xD0
0xA0
0xFA
0xE8
0xD0
0xB8
0x40
0x40
0xF4
287
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