C8051F310-TB Silicon Laboratories Inc, C8051F310-TB Datasheet - Page 37

• Manufacturer Part Number: C8051F310-TB
• Description: BOARD PROTOTYPING W/C8051F310
• Manufacturer: Silicon Laboratories Inc
• Type: MCUr

Specifications of C8051F310-TB

• Contents: Board
• Processor To Be Evaluated: C8051F31x
• Interface Type: USB
• Silicon Manufacturer: Silicon Labs
• Core Architecture: 8051
• Silicon Core Number: C8051F310
• Silicon Family Name: C8051F31x
• Kit Contents: Board
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: C8051F310
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

–40°C to +85°C, 25 MHz System Clock unless otherwise specified.
Digital Supply Current—CPU Inactive (Idle Mode, not fetching instructions from Flash)
I
I
Note 4)
I
Note 6)
Digital Supply Current 
(Stop Mode, shutdown)
Notes:
1. Given in Table 9.1 on page 110.
2. SYSCLK must be at least 32 kHz to enable debugging.
3. Based on device characterization data, not production tested.
4. Active and Inactive I
5. I
6. Idle I
DD
DD
DD
(Note 3)
Supply Sensitivity (Note 3,
Frequency Sensitivity (Note 3,
using the I
7.8 mA typical at 3.0 V and f = 25 MHz. From this, I
3.3 V and f = 25 MHz.
quency sensitivity number for that range. When using these numbers to estimate I
the estimate should be the current at 25 MHz minus the difference in current indicated by the fre-
quency sensitivity number. For example: 
V
frequency sensitivity number for that range. When using these numbers to estimate Idle I
MHz, the estimate should be the current at 25 MHz minus the difference in current indicated by the
frequency sensitivity number. For example: 
V
DD
DD
DD
can be estimated for frequencies < 15 MHz by multiplying the frequency of interest by the fre-
= 3.0 V; F = 20 MHz, I
= 3.0 V; F = 5 MHz, Idle I
DD
Parameter
can be estimated for frequencies < 1 MHz by multiplying the frequency of interest by the
DD
Table 3.1. Global DC Electrical Characteristics (Continued)
Supply Sensitivity. For example, if the V
DD
at voltages and frequencies other than those specified can be calculated
DD
DD
= 7.8 mA – (25 MHz – 20 MHz) x 0.21 mA/MHz = 6.75 mA.
V
V
V
V
= 4.8 mA – (25 MHz – 5 MHz) x 0.15 mA/MHz = 1.8 mA.
DD
DD
DD
DD
V
V
= 3.0 V, F < 1 MHz, T = 25
= 3.0 V, F > 1 MHz, T = 25
= 3.6 V, F < 1 MHz, T = 25
= 3.6 V, F > 1 MHz, T = 25
V
V
Oscillator not running,
DD
DD
V
DD
DD
DD
= 3.0 V, F = 25 MHz
= 3.6 V, F = 25 MHz
= 3.0 V, F = 80 kHz
= 3.0 V, F = 1 MHz
Monitor Disabled
Conditions
F = 25 MHz
F = 1 MHz
Rev. 1.7
C8051F310/1/2/3/4/5/6/7
DD
DD
= 7.8 mA + 0.67 x (3.3 V – 3.0 V) = 8 mA at
is 3.3 V instead of 3.0 V at 25 MHz: I
°
°
°
°
C
C
C
C
Min
—
—
—
—
—
—
—
—
—
—
—
< 0.1
0.20
0.21
0.15
0.28
Typ
0.19
3.8
4.8
16
44
56
DD
for > 15 MHz,
Max
4.3
5.3
—
—
—
—
—
—
—
—
—
DD
for > 1
mA/MHz
mA/MHz
mA/MHz
mA/MHz
DD
Units
%/V
%/V
mA
mA
mA
µA
µA
=
37