C8051F340-GQR Silicon Laboratories Inc, C8051F340-GQR Datasheet - Page 26

• 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
Other electrical characteristics tables are found in the data sheet section corresponding to the associated
peripherals. For more information on electrical characteristics for a specific peripheral, refer to the page
indicated in Table 3.2.
26
–40 to +85 °C, 25 MHz System Clock unless otherwise specified.
I
Digital Supply Current (Stop
Mode, shutdown)
Digital Supply Current for USB
Module (USB Active Mode)
Digital Supply Current for USB
Module (USB Suspend Mode)
Notes:
DD
1. USB Requires 3.0 V Minimum Supply Voltage.
2. SYSCLK must be at least 32 kHz to enable debugging.
3. Based on device characterization of data; Not production tested.
4. Active and Inactive I
5. I
6. Idle I
Frequency Sensitivity
Supply Sensitivity. For example, if the V
and SYSCLK = 24 MHz. From this, I
= 24 MHz.
sensitivity number for that range. When using these numbers to estimate I
be the current at 24 MHz (or 48 MHz) minus the difference in current indicated by the frequency sensitivity
number. For example: V
18.74 mA.
sensitivity number for that range. When using these numbers to estimate Idle I
should be the current at 24 MHz (or 48 MHz) minus the difference in current indicated by the frequency
sensitivity number. For example: V
0.32 mA/MHz = 2.17 mA.
DD
can be estimated for frequencies < 30 MHz by multiplying the frequency of interest by the frequency
Parameter
DD
can be estimated for frequencies < 1 MHz by multiplying the frequency of interest by the frequency
Table 3.1. Global DC Electrical Characteristics (Continued)
DD
3,6
at voltages and frequencies other than those specified can be calculated using the I
DD
= 3.3 V; SYSCLK = 35 MHz, I
V
T = 25 ºC
V
T = 25 ºC
V
T = 25 ºC
V
T = 25 ºC
Oscillator not running, 
V
V
V
Oscillator not running
V
DD
DD
DD
DD
DD
DD
DD
DD
= 3.3 V, SYSCLK < 1 MHz, 
= 3.3 V, SYSCLK > 1 MHz, 
= 3.6 V, SYSCLK < 1 MHz, 
= 3.6 V, SYSCLK > 1 MHz, 
monitor disabled
= 3.3 V, USB Clock = 48 MHz
= 3.6 V, USB Clock = 48 MHz
monitor disabled
DD
DD
= 3.3 V; SYSCLK = 5 MHz, Idle I
= 13.9 mA + 0.46 x (3.0 V – 3.3 V) = 13.76 mA at 3.0 V and SYSCLK
DD
Conditions
is 3.0 V instead of 3.3 V at 24 MHz: I
Rev. 1.3
DD
= 13.9 mA – (24 MHz – 35 MHz) x 0.44 mA/MHz =
DD
Min
DD
= 8.25 mA – (24 MHz – 5 MHz) x
for > 30 MHz, the estimate should
DD
DD
< 0.1
< 0.1
0.44
0.32
0.49
0.36
8.69
9.59
Typ
for > 1 MHz, the estimate
= 13.9 mA typical at 3.3 V
Max
mA/MHz
mA/MHz
mA/MHz
mA/MHz
Units
mA
mA
µA
µA
DD