C8051F502-IMR Silicon Laboratories Inc, C8051F502-IMR Datasheet - Page 260
C8051F502-IMR
Manufacturer Part Number
C8051F502-IMR
Description
MCU 8-Bit C8051F50x 8051 CISC 64KB Flash 2.5V/3.3V/5V 32-Pin QFN EP T/R
Manufacturer
Silicon Laboratories Inc
Datasheet
1.C8051F502-IM.pdf
(312 pages)
Specifications of C8051F502-IMR
Package
32QFN EP
Device Core
8051
Family Name
C8051F50x
Maximum Speed
50 MHz
Ram Size
4.25 KB
Program Memory Size
64 KB
Operating Supply Voltage
2.5|3.3|5 V
Data Bus Width
8 Bit
Program Memory Type
Flash
Number Of Programmable I/os
25
Interface Type
I2C/SPI/UART
On-chip Adc
32-chx12-bit
Operating Temperature
-40 to 125 °C
Number Of Timers
4
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- Current page: 260 of 312
- Download datasheet (5Mb)
C8051F50x/F51x
SFR Definition 25.2. SPI0CN: SPI0 Control
SFR Address = 0xF8; Bit-Addressable; SFR Page = 0x00
260
Name
Reset
3:2
Bit
Type
7
6
5
4
1
0
Bit
NSSMD[1:0]
RXOVRN
TXBMT
WCOL
SPIEN
MODF
Name
SPIF
SPIF
R/W
7
0
SPI0 Interrupt Flag.
This bit is set to logic 1 by hardware at the end of a data transfer. If interrupts are
enabled, setting this bit causes the CPU to vector to the SPI0 interrupt service rou-
tine. This bit is not automatically cleared by hardware. It must be cleared by soft-
ware.
Write Collision Flag.
This bit is set to logic 1 by hardware (and generates a SPI0 interrupt) to indicate a
write to the SPI0 data register was attempted while a data transfer was in progress.
It must be cleared by software.
Mode Fault Flag.
This bit is set to logic 1 by hardware (and generates a SPI0 interrupt) when a mas-
ter mode collision is detected (NSS is low, MSTEN = 1, and NSSMD[1:0] = 01).
This bit is not automatically cleared by hardware. It must be cleared by software.
Receive Overrun Flag (valid in slave mode only).
This bit is set to logic 1 by hardware (and generates a SPI0 interrupt) when the
receive buffer still holds unread data from a previous transfer and the last bit of the
current transfer is shifted into the SPI0 shift register. This bit is not automatically
cleared by hardware. It must be cleared by software.
Slave Select Mode.
Selects between the following NSS operation modes:
(See Section 25.2 and Section 25.3).
00: 3-Wire Slave or 3-Wire Master Mode. NSS signal is not routed to a port pin.
01: 4-Wire Slave or Multi-Master Mode (Default). NSS is an input to the device.
1x: 4-Wire Single-Master Mode. NSS signal is mapped as an output from the
device and will assume the value of NSSMD0.
Transmit Buffer Empty.
This bit will be set to logic 0 when new data has been written to the transmit buffer.
When data in the transmit buffer is transferred to the SPI shift register, this bit will
be set to logic 1, indicating that it is safe to write a new byte to the transmit buffer.
SPI0 Enable.
0: SPI disabled.
1: SPI enabled.
WCOL
R/W
6
0
MODF
R/W
5
0
RXOVRN
R/W
Rev. 1.2
4
0
Function
3
NSSMD[1:0]
0
R/W
2
1
TXBMT
R
1
1
SPIEN
R/W
0
0
Related parts for C8051F502-IMR
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
SMD/C°/SINGLE-ENDED OUTPUT SILICON OSCILLATOR
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
Manufacturer:
Silicon Laboratories Inc
Datasheet:
Part Number:
Description:
N/A N/A/SI4010 AES KEYFOB DEMO WITH LCD RX
Manufacturer:
Silicon Laboratories Inc
Datasheet:
Part Number:
Description:
N/A N/A/SI4010 SIMPLIFIED KEY FOB DEMO WITH LED RX
Manufacturer:
Silicon Laboratories Inc
Datasheet:
Part Number:
Description:
N/A/-40 TO 85 OC/EZLINK MODULE; F930/4432 HIGH BAND (REV E/B1)
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
EZLink Module; F930/4432 Low Band (rev e/B1)
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
I°/4460 10 DBM RADIO TEST CARD 434 MHZ
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
I°/4461 14 DBM RADIO TEST CARD 868 MHZ
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
I°/4463 20 DBM RFSWITCH RADIO TEST CARD 460 MHZ
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
I°/4463 20 DBM RADIO TEST CARD 868 MHZ
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
I°/4463 27 DBM RADIO TEST CARD 868 MHZ
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
I°/4463 SKYWORKS 30 DBM RADIO TEST CARD 915 MHZ
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
N/A N/A/-40 TO 85 OC/4463 RFMD 30 DBM RADIO TEST CARD 915 MHZ
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
I°/4463 20 DBM RADIO TEST CARD 169 MHZ
Manufacturer:
Silicon Laboratories Inc