C8051F340-GQR Silicon Laboratories Inc, C8051F340-GQR Datasheet - Page 49

• Manufacturer Part Number: C8051F340-GQR
• Description: MCU 8-Bit C8051F34x 8051 CISC 64KB Flash 3.3V/5V 48-Pin TQFP T/R
• Manufacturer: Silicon Laboratories Inc

Specifications of C8051F340-GQR

• Package: 48TQFP
• Device Core: 8051
• Family Name: C8051F34x
• Maximum Speed: 48 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 40
• Interface Type: I2C/SMBus/SPI/UART/USB
• On-chip Adc: 17-chx10-bit
• Number Of Timers: 4
• Ram Size: 4.25 KB
• Program Memory Size: 64 KB
• Program Memory Type: Flash
• Operating Temperature: -40 to 85 °C

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. AMX0N: AMUX0 Negative Channel Select
Bit6
10101 - 11101
R
-
AMX0N4-0
00000
00001
00010
00100
00101
01000
01001
01010
10000
10001
10010
10100
00011
00110
01011
01100
01101
10011
00111
01110
01111
11110
11111
Bit5
R
-
C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
AMX0N4 AMX0N3 AMX0N2 AMX0N1 AMX0N0 00000000
GND (Single-Ended Mode)
R/W
Bit4
ADC0 Negative Input
(32-pin Package)
RESERVED
Rev. 1.3
VREF
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
P2.0
P2.1
P2.2
P2.3
P2.4
P2.5
P2.6
P2.7
P3.0
P0.0
P0.1
P0.4
P0.5
R/W
Bit3
R/W
Bit2
GND (Single-Ended Mode)
ADC0 Negative Input
(48-pin Package)
R/W
Bit1
RESERVED
RESERVED
VREF
P2.0
P2.1
P2.2
P2.3
P2.5
P2.6
P3.0
P3.1
P3.4
P3.5
P3.7
P4.0
P4.3
P4.4
P4.5
P4.6
P0.3
P0.4
P1.1
P1.2
R/W
Bit0
SFR Address:
Reset Value
0xBA
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