C8051F340-GQR Silicon Laboratories Inc, C8051F340-GQR Datasheet - Page 30

• 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

C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
30
Table 4.1. Pin Definitions for the C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D (Continued)
Name
P3.3
P3.4
P3.5
P3.6
P3.7
P4.0
P4.1
P4.2
P4.3
P4.4
P4.5
P4.6
P4.7
48-pin 32-pin
Pin Numbers
27
26
25
24
23
22
21
20
19
18
17
16
15
—
—
—
—
—
—
—
—
—
—
—
—
—
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
D I/O or
Type
A In
A In
A In
A In
A In
A In
A In
A In
A In
A In
A In
A In
A In
Description
Port 3.3.
Port 3.4.
Port 3.5.
Port 3.6.
Port 3.7.
Port 4.0. See
4.
Port 4.1.
Port 4.2.
Port 4.3.
Port 4.4.
Port 4.5.
Port 4.6.
Port 4.7.
Rev. 1.3
Section 15
for a complete description of Port