C8051F044-GQR Silicon Laboratories Inc, C8051F044-GQR Datasheet - Page 225
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C8051F044-GQR
Manufacturer Part Number
C8051F044-GQR
Description
IC 8051 MCU 64K FLASH 100TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F04xr
Specifications of C8051F044-GQR
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
CAN, EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
64
Program Memory Size
64KB (64K 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 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F044-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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Bits7-0:
Note:
Bits7-0:
Note:
P7.7
R/W
R/W
Bit7
Bit7
P7.[7:0]: Port7 Output Latch Bits.
Write - Output appears on I/O pins.
0: Logic Low Output.
1: Logic High Output (Open-Drain if corresponding P7MDOUT bit = 0). See SFR Definition
17.23.
Read - Returns states of I/O pins.
0: P7.n pin is logic low.
1: P7.n pin is logic high.
P7.[7:0] can be driven by the External Data Memory Interface (as AD[7:0] in Multiplexed
mode, or as D[7:0] in Non-multiplexed mode). See
Interface and On-Chip XRAM” on page 187
ory Interface.
P7MDOUT.[7:0]: Port7 Output Mode Bits.
0: Port Pin output mode is configured as Open-Drain.
1: Port Pin output mode is configured as Push-Pull.
SDA, SCL, and RX0 (when UART0 is in Mode 0) and RX1 (when UART1 is in Mode 0) are
always configured as Open-Drain when they appear on Port pins.
P7.6
R/W
R/W
Bit6
Bit6
SFR Definition 17.23. P7MDOUT: Port7 Output Mode
P7.5
R/W
R/W
Bit5
Bit5
SFR Definition 17.22. P7: Port7 Data
P7.4
R/W
R/W
Bit4
Bit4
Rev. 1.5
P7.3
R/W
R/W
Bit3
Bit3
C8051F040/1/2/3/4/5/6/7
for more information about the External Mem-
P7.2
R/W
R/W
Bit2
Bit2
Section “16. External Data Memory
P7.1
R/W
R/W
Bit1
Bit1
SFR Address:
SFR Address:
SFR Page:
SFR Page:
P7.0
R/W
R/W
Bit0
Bit0
0xF8
F
0x9F
F
Addressable
Reset Value
00000000
Reset Value
11111111
Bit
225
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