C8051F503-IQ Silicon Laboratories Inc, C8051F503-IQ Datasheet - Page 291
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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Note: The CEXn input signal must remain high or low for at least 2 system clock cycles to be recognized by the
27.3.2. Software Timer (Compare) Mode
In Software Timer mode, the PCA counter/timer value is compared to the module's 16-bit capture/compare
register (PCA0CPHn and PCA0CPLn). When a match occurs, the Capture/Compare Flag (CCFn) in
PCA0CN is set to logic 1. An interrupt request is generated if the CCFn interrupt for that module is
enabled. The CCFn bit is not automatically cleared by hardware when the CPU vectors to the interrupt ser-
vice routine, and must be cleared by software. Setting the ECOMn and MATn bits in the PCA0CPMn regis-
ter enables Software Timer mode.
Important Note About Capture/Compare Registers : When writing a 16-bit value to the PCA0 Cap-
ture/Compare registers, the low byte should always be written first. Writing to PCA0CPLn clears the
ECOMn bit to 0; writing to PCA0CPHn sets ECOMn to 1.
Port I/O
hardware.
Crossbar
CEXn
Figure 27.4. PCA Capture Mode Diagram
W
M
P
1
6
n
x
PCA0CPMn
E
C
O
M
n
x
C
A
P
P
n
Rev. 1.2
C
A
P
N
n
0
1
M
A
T
n
0 0 0 x
O
G
T
n
W
P
M
n
E
C
C
F
n
0
1
C
F
C
R
PCA0CN
C
C
F
5
C
C
F
4
C
C
F
3
PCA
Timebase
C
C
F
2
C8051F50x/F51x
C
C
F
1
C
C
F
0
PCA Interrupt
Capture
PCA0CPLn
PCA0L
PCA0CPHn
PCA0H
291
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