C8051F366-GQ Silicon Laboratories Inc, C8051F366-GQ Datasheet - Page 91
![IC 8051 MCU 32K FLASH 32-LQFP](/photos/28/60/286097/c8051f366-gq_sml.jpg)
C8051F366-GQ
Manufacturer Part Number
C8051F366-GQ
Description
IC 8051 MCU 32K FLASH 32-LQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F36xr
Specifications of C8051F366-GQ
Program Memory Type
FLASH
Program Memory Size
32KB (32K x 8)
Package / Case
32-LQFP
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
29
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 21x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F3x
Core
8051
Data Bus Width
8 bit
Data Ram Size
1 KB
Interface Type
I2C/SMBus/SPI/UART
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
29
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
KSK-SL-TOOLSTICK, PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F360DK
Minimum Operating Temperature
- 40 C
On-chip Adc
21-ch x 10-bit
On-chip Dac
1-ch x 10-bit
Package
32LQFP
Device Core
8051
Family Name
C8051F36x
Maximum Speed
50 MHz
Operating Supply Voltage
3 V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
770-1006 - ISP 4PORT FOR SILABS C8051F MCU336-1410 - KIT DEV FOR C8051F360 FAMILY
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1648
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F366-GQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F366-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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While in the ADC0 ISR, a PCA interrupt occurs. Recall the PCA interrupt is configured as a high priority
interrupt, while the ADC0 interrupt is configured as a low priority interrupt. Thus, the CIP-51 will now vector
to the high priority PCA ISR. Upon doing so, the CIP-51 will automatically place SFR page 0x00 into the
SFRPAGE register. The value that was in the SFRPAGE register before the PCA interrupt (SFR Page 0x00
for ADC0) is pushed down the stack into SFRNEXT. Likewise, the value that was in the SFRNEXT register
before the PCA interrupt (in this case SFR Page 0x0F for OSCICN) is pushed down to the SFRLAST reg-
ister, the “bottom” of the stack. Note that a value stored in SFRLAST (via a previous software write to the
SFRLAST register) will be overwritten. See Figure 9.6 below.
Figure 9.6. SFR Page Stack Upon PCA Interrupt Occurring During an ADC0 ISR
Figure 9.5. SFR Page Stack After ADC0 Window Comparator Interrupt Occurs
SFRPAGE
SFRNEXT
pushed to
SFRPAGE
SFRNEXT
pushed to
SFRNEXT
SFRLAST
pushed to
SFRPAGE on ADC0
(OSCICN)
pushed on stack in
(OSCICN)
SFR Page 0x00
SFRPAGE on PCA
(ADC0)
pushed on stack in
Automatically
SFR Page 0x00
(ADC0)
0x00
0x0F
Automatically
(PCA)
interrupt
0x00
0x00
0x0F
interrupt
C8051F360/1/2/3/4/5/6/7/8/9
Rev. 1.0
SFRPAGE
SFRNEXT
SFRLAST
SFRPAGE
SFRNEXT
SFRLAST
91
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