C8051F321 Silicon Laboratories Inc, C8051F321 Datasheet - Page 65

• Manufacturer Part Number: C8051F321
• Description: IC 8051 MCU 16K FLASH 28MLP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F32xr

Specifications of C8051F321

• 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: 21
• 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 13x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Bits7-6:
Bit5:
Bit4:
Bits1-0:
R/W
Bit7
-
UNUSED. Read = 00b, Write = don’t care.
CP1RIE: Comparator1 Rising-Edge Interrupt Enable.
0: Comparator1 rising-edge interrupt disabled.
1: Comparator1 rising-edge interrupt enabled.
CP1FIE: Comparator1 Falling-Edge Interrupt Enable.
0: Comparator1 falling-edge interrupt disabled.
1: Comparator1 falling-edge interrupt enabled.
CP1MD1-CP1MD0: Comparator1 Mode Select.
These bits select the response time for Comparator1.
Mode
R/W
0
1
2
3
Bit6
Figure 7.9. CPT1MD: Comparator1 Mode Selection Register
-
CP1MD1
CP1RIE
R/W
Bit5
0
0
1
1
CP1MD0 CP1 Response Time (TYP)
CP1FIE
R/W
Bit4
0
1
0
1
R/W
Bit3
-
Rev. 1.1
1050 ns
100 ns
175 ns
320 ns
R/W
Bit2
-
CP1MD1
R/W
Bit1
C8051F320/1
CP1MD0
R/W
Bit0
SFR Address:
00000010
Reset Value
0x9C
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