C8051F503-IQ Silicon Laboratories Inc, C8051F503-IQ Datasheet - Page 250
C8051F503-IQ
Manufacturer Part Number
C8051F503-IQ
Description
IC 8051 MCU 64K FLASH 32-QFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F50xr
Datasheets
1.C8051F507-IM.pdf
(312 pages)
2.C8051F503-IM.pdf
(1 pages)
3.C8051F503-IM.pdf
(312 pages)
Specifications of C8051F503-IQ
Program Memory Type
FLASH
Program Memory Size
64KB (64K x 8)
Package / Case
32-QFP
Mfg Application Notes
LIN Bootloader AppNote
Core Processor
8051
Core Size
8-Bit
Speed
50MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, Temp Sensor, WDT
Number Of I /o
25
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.25 V
Data Converters
A/D 25x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Processor Series
C8051F5x
Core
8051
Data Bus Width
8 bit
Data Ram Size
4.25 KB
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
25
Number Of Timers
4
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F500DK
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 32 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1527 - KIT DEV FOR C8051F50X
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1516
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F503-IQ
Manufacturer:
WOLFSON
Quantity:
4 300
Company:
Part Number:
C8051F503-IQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F503-IQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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C8051F50x/F51x
SFR Definition 24.3. SBUF0: Serial (UART0) Port Data Buffer
SFR Address = 0x99; SFR Page = 0x00
SFR Definition 24.4. SBCON0: UART0 Baud Rate Generator Control
SFR Address = 0xAB; SFR Page = 0x0F
250
Name
Reset
Name Reserved
Reset
7:0 SBUF0[7:0] Serial Data Buffer Bits 7–0 (MSB–LSB).
5:2
1:0 SB0PS[1:0] Baud Rate Prescaler Select.
Bit
Bit
Type
Type
7
6
Bit
Bit
Reserved
Reserved
SB0RUN
Name
Name
R/W
7
0
7
0
This SFR accesses two registers; a transmit shift register and a receive latch register.
When data is written to SBUF0, it goes to the transmit shift register and is held for
serial transmission. Writing a byte to SBUF0 initiates the transmission. A read of
SBUF0 returns the contents of the receive latch.
Baud Rate Generator Enable.
0: Baud Rate Generator disabled. UART0 will not function.
1: Baud Rate Generator enabled.
Read = 0000b; Must Write = 0000b;
00: Prescaler = 12.
01: Prescaler = 4.
10: Prescaler = 48.
11: Prescaler = 1.
Read = 0b; Must Write 0b;
SB0RUN
R/W
6
0
6
0
Reserved
R/W
5
0
5
0
Reserved
R/W
Rev. 1.2
4
0
4
0
SBUF0[7:0]
R/W
Function
Function
Reserved
R/W
3
0
3
0
Reserved
R/W
2
0
2
0
1
0
1
0
SB0PS[1:0]
R/W
0
0
0
0
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