C8051F34B-GQ Silicon Laboratories Inc, C8051F34B-GQ Datasheet - Page 66

• Manufacturer Part Number: C8051F34B-GQ
• Description: IC 8051 MCU 32K FLASH 32LQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F34xr

Specifications of C8051F34B-GQ

• Program Memory Type: FLASH
• Program Memory Size: 32KB (32K x 8)
• Package / Case: 32-LQFP
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 48MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 25
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 17x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: C8051F3x
• Core: 8051
• Data Bus Width: 8 bit
• Data Ram Size: 2.25 KB
• Interface Type: I2C/SMBus/SPI/UART/USB
• Maximum Clock Frequency: 48 MHz
• Number Of Programmable I/os: 25
• Number Of Timers: 4
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: KSK-SL-F34X, KSK-SL-TOOLSTICK, PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F340DK
• Minimum Operating Temperature: - 40 C
• Package: 32LQFP
• Device Core: 8051
• Family Name: C8051F34x
• Maximum Speed: 48 MHz
• Operating Supply Voltage: 3.3|5 V
• On-chip Adc: 17-chx10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 336-1748 - ADAPTER TOOLSTICK FOR C8051F34X
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1534

C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
66
Bit7:
Bits6–4: CMX1N2–CMX1N0: Comparator1 Negative Input MUX Select.
Bit3:
Bits2–0: CMX1P1–CMX1P0: Comparator1 Positive Input MUX Select.
Note that the port pins used by the comparator depend on the package type (32-pin or 48-pin).
R/W
Bit7
-
UNUSED. Read = 0b, Write = don’t care.
These bits select which Port pin is used as the Comparator1 negative input.
UNUSED. Read = 0b, Write = don’t care.
These bits select which Port pin is used as the Comparator1 positive input.
CMX1N2 CMX1N1 CMX1N0
CMX1P2 CMX1P1 CMX1P0
CMX1N2 CMX1N1 CMX1N0
SFR Definition 7.5. CPT1MX: Comparator1 MUX Selection
0
0
0
0
1
0
0
0
0
1
R/W
Bit6
0
0
1
1
0
0
0
1
1
0
R/W
Bit5
0
1
0
1
0
0
1
0
1
0
R/W
Bit4
(32-pin Package)
(32-pin Package)
Negative Input
Positive Input
Rev. 1.3
R/W
Bit3
-
P1.3
P1.7
P2.3
P2.7
P0.5
P1.2
P1.6
P2.2
P2.6
P0.4
CMX1P2 CMX1P1 CMX1P0 00000000
R/W
Bit2
(48-pin Package)
(48-pin Package)
Negative Input
Positive Input
R/W
Bit1
P2.3
P3.1
P4.0
P4.6
P1.2
P2.2
P3.0
P3.7
P4.5
P1.1
R/W
Bit0
SFR Address:
Reset Value
0x9E