C8051F067-GQ Silicon Laboratories Inc, C8051F067-GQ Datasheet - Page 135
C8051F067-GQ
Manufacturer Part Number
C8051F067-GQ
Description
IC 8051 MCU 32K FLASH 64TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F06xr
Specifications of C8051F067-GQ
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 2x16b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Processor Series
C8051F0x
Core
8051
Data Bus Width
8 bit
Data Ram Size
4.25 KB
Interface Type
I2C, SMBus, SPI, UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
24
Number Of Timers
5
Operating Supply Voltage
2.7 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F060DK
Minimum Operating Temperature
- 40 C
On-chip Adc
16 bit, 1 Channel
On-chip Dac
12 bit, 2 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
336-1222
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While CIP-51 executes in-line code (writing values to Port 5 in this example), ADC2 Window Comparator
Interrupt occurs. The CIP-51 vectors to the ADC2 Window Comparator ISR and pushes the current SFR
Page value (SFR Page 0x0F) into SFRNEXT in the SFR Page Stack. The SFR page needed to access
ADC2’s SFRs is then automatically placed in the SFRPAGE register (SFR Page 0x02). SFRPAGE is con-
sidered the “top” of the SFR Page Stack. Software can now access the ADC2 SFRs. Software may switch
to any SFR Page by writing a new value to the SFRPAGE register at any time during the ADC2 ISR to
access SFRs that are not on SFR Page 0x02. See Figure 13.5 below.
Figure 13.5. SFR Page Stack After ADC2 Window Comparator Interrupt Occurs
SFRPAGE
SFRNEXT
pushed to
SFRPAGE on ADC2
pushed on stack in
SFR Page 0x02
(ADC2)
(Port 5)
Automatically
0x02
0x0F
interrupt
Rev. 1.2
C8051F060/1/2/3/4/5/6/7
SFRPAGE
SFRNEXT
SFRLAST
135
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