C8051F567-IQ Silicon Laboratories Inc, C8051F567-IQ Datasheet - Page 71
C8051F567-IQ
Manufacturer Part Number
C8051F567-IQ
Description
IC 8051 MCU 16K FLASH 32-QFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F56xr
Specifications of C8051F567-IQ
Program Memory Type
FLASH
Program Memory Size
16KB (16K x 8)
Package / Case
32-QFP
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
2.25K 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
2304 B
Maximum Clock Frequency
50 MHz
Number Of Programmable I/os
25
Operating Supply Voltage
1.8 V to 5.25 V
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F560DK
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1691 - KIT DEVELOPMENT FOR C8051F560
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1708
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F567-IQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F567-IQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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Comparator outputs can be polled in software, used as an interrupt source, and/or routed to a Port pin.
When routed to a Port pin, Comparator outputs are available asynchronous or synchronous to the system
clock; the asynchronous output is available even in STOP mode (with no system clock active). When dis-
abled, the Comparator output (if assigned to a Port I/O pin via the Crossbar) defaults to the logic low state,
and the power supply to the comparator is turned off. See Section “19.3. Priority Crossbar Decoder” on
page 170 for details on configuring Comparator outputs via the digital Crossbar. Comparator inputs can be
externally driven from –0.25 V to (V
trical specifications are given in Table 5.12.
The Comparator response time may be configured in software via the CPTnMD registers (see SFR Defini-
tion 8.2). Selecting a longer response time reduces the Comparator supply current. See Table 5.12 for
complete timing and supply current requirements.
Comparator hysteresis is software-programmable via its Comparator Control register CPTnCN.
The amount of negative hysteresis voltage is determined by the settings of the CPnHYN bits. As shown in
Figure 8.2, various levels of negative hysteresis can be programmed, or negative hysteresis can be dis-
abled. In a similar way, the amount of positive hysteresis is determined by the setting the CPnHYP bits.
Comparator interrupts can be generated on both rising-edge and falling-edge output transitions. (For Inter-
rupt enable and priority control, see “13. Interrupts” .) The CPnFIF flag is set to 1 upon a Comparator fall-
ing-edge, and the CPnRIF flag is set to 1 upon the Comparator rising-edge. Once set, these bits remain
set until cleared by software. The output state of the Comparator can be obtained at any time by reading
the CPnOUT bit. The Comparator is enabled by setting the CPnEN bit to 1, and is disabled by clearing this
bit to 0.
(Programmed with CPnHYP Bits)
Positive Hysteresis Voltage
INPUTS
OUTPUT
VIN+
VIN-
CIRCUIT CONFIGURATION
Positive Hysteresis
CPn-
VIN+
CPn+
VIN-
V
Disabled
OL
Figure 8.2. Comparator Hysteresis Plot
V
OH
+
_
CPn
DD
) + 0.25 V without damage or upset. The complete Comparator elec-
Positive Hysteresis
Maximum
OUT
Rev. 1.1
Negative Hysteresis
Disabled
C8051F55x/56x/57x
Negative Hysteresis
(Programmed by CPnHYN Bits)
Maximum
Negative Hysteresis Voltage
71
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