C8051F501-IQ Silicon Laboratories Inc, C8051F501-IQ Datasheet - Page 109
![IC 8051 MCU 64K FLASH 48-QFP](/photos/12/17/121736/c8051f501-iq_sml.jpg)
C8051F501-IQ
Manufacturer Part Number
C8051F501-IQ
Description
IC 8051 MCU 64K FLASH 48-QFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F50xr
Specifications of C8051F501-IQ
Program Memory Type
FLASH
Program Memory Size
64KB (64K x 8)
Package / Case
48-QFP
Mfg Application Notes
LIN Bootloader AppNote
Core Processor
8051
Core Size
8-Bit
Speed
50MHz
Connectivity
EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, Temp Sensor, WDT
Number Of I /o
40
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.25 V
Data Converters
A/D 32x12b
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
40
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
32-ch x 12-bit
Package
48PQFP
Device Core
8051
Family Name
C8051F50x
Maximum Speed
50 MHz
Operating Supply Voltage
2.5|3.3|5 V
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
336-1512
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F501-IQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F501-IQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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SFR Definition 13.3. SFRNEXT: SFR Next
SFR Address = 0x85; SFR Page = All Pages
Bit
7:0
Name
Reset
Type
Bit
SFRNEXT[7:0]
Name
7
0
SFR Page Bits.
This is the value that will go to the SFR Page register upon a return from inter-
rupt.
Write: Sets the SFR Page contained in the second byte of the SFR Stack. This
will cause the SFRPAGE SFR to have this SFR page value upon a return from
interrupt.
Read: Returns the value of the SFR page contained in the second byte of the
SFR stack.
SFR page context is retained upon interrupts/return from interrupts in a 3 byte
SFR Page Stack: SFRPAGE is the first entry, SFRNEXT is the second, and
SFRLAST is the third entry. The SFR stack bytes may be used alter the context
in the SFR Page Stack, and will not cause the stack to “push” or “pop”. Only
interrupts and return from interrupts cause pushes and pops of the SFR Page
Stack.
6
0
5
0
Rev. 1.2
SFRNEXT[7:0]
4
0
R/W
Function
3
0
C8051F50x/F51x
2
0
1
0
0
0
109
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