C8051F320-GQ Silicon Laboratories Inc, C8051F320-GQ Datasheet - Page 47

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

Specifications of C8051F320-GQ

• Program Memory Type: FLASH
• Program Memory Size: 16KB (16K x 8)
• Package / Case: 32-LQFP
• 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
• 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: 25 MHz
• Number Of Programmable I/os: 25
• Number Of Timers: 4
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Development Tools By Supplier: C8051F320DK
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 13-ch x 10-bit or 17-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 770-1006 - ISP 4PORT FOR SILABS C8051F MCU336-1448 - ADAPTER PROGRAM TOOLSTICK F320336-1260 - DEV KIT FOR C8051F320/F321
• Eeprom Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 336-1259

Bits7–5: UNUSED. Read = 000b; Write = don’t care.
Bits4–0: AMX0N4–0: AMUX0 Negative Input Selection.
Bit7
R
-
Note that when GND is selected as the Negative Input, ADC0 operates in Single-ended
mode. For all other Negative Input selections, ADC0 operates in Differential mode.
SFR Definition 5.2.
*Note:
10001–11101
AMX0N4–0
Bit6
R
-
01100*
01101*
01110*
01111*
00000
00001
00010
00011
00100
00101
00110
01000
01001
01010
01011
10000
00111
11110
11111
C8051F321 devices.
Only applies to C8051F320; selection RESERVED on
Bit5
R
-
GND (ADC in Single-Ended Mode)
AMX0N4 AMX0N3 AMX0N2 AMX0N1 AMX0N0 00000000
AMX0N: AMUX0 Negative Channel Select
R/W
Bit4
ADC0 Negative Input
RESERVED
Rev. 1.4
VREF
P2.4*
P2.5*
P2.6*
P2.7*
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0
P2.1
P2.2
P2.3
P3.0
R/W
Bit3
R/W
Bit2
R/W
Bit1
C8051F320/1
R/W
Bit0
SFR Address:
Reset Value
0xBA
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