C8051F320 Silicon Laboratories Inc, C8051F320 Datasheet - Page 64

• Manufacturer Part Number: C8051F320
• Description: IC 8051 MCU 16K FLASH 32LQFP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F32xr

Specifications of C8051F320

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SMBus (2-Wire/I²C), SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 25
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• 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
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

C8051F320/1
64
Bits7-6:
Bits5-4:
Bits3-2:
Bits1-0:
†
Note: P2.6 and P2.7 available only on C8051F320 devices; selection reserved on C8051F321 devices.
R/W
Bit7
-
UNUSED. Read = 00b, Write = don’t care.
CMX1N1-CMX1N0: Comparator1 Negative Input MUX Select.
These bits select which Port pin is used as the Comparator1 negative input.
UNUSED. Read = 00b, Write = don’t care.
CMX1P1-CMX1P0: Comparator1 Positive Input MUX Select.
These bits select which Port pin is used as the Comparator1 positive input.
CMX1N1 CMX1N0
CMX1P1 CMX1P0
0
0
1
1
0
0
1
1
R/W
Bit6
Figure 7.8. CPT1MX: Comparator1 MUX Selection Register
-
CMX1N1 CMX1N0
0
1
0
1
0
1
0
1
R/W
Bit5
Negative Input
Positive Input
R/W
Bit4
P2.7
P2.6
P1.3
P1.7
P2.3
P1.2
P1.6
P2.2
†
†
Rev. 1.1
R/W
Bit3
-
R/W
Bit2
-
CMX1P1
R/W
Bit1
CMX1P0
R/W
Bit0
SFR Address:
00000000
Reset Value
0x9E