c8051f410 Silicon Laboratories, c8051f410 Datasheet - Page 37

• Manufacturer Part Number: c8051f410
• Description: 2.0 V, 32/16 Kb Flash, Smartclock, 12-bit Adc
• Manufacturer: Silicon Laboratories

Table 3.1. Global DC Electrical Characteristics (Continued)
–40 to +85 °C, 50 MHz System Clock unless otherwise specified. Typical values are given at 25 °C
Digital Supply Current—CPU Active (Normal Mode, fetching instructions from Flash)
Core Supply Current (I
Supply Sensitivity (I
Frequency Sensitivity (I
Notes:
1. For more information on V
2. The Backup Supply Voltage (V
3. SYSCLK is the internal device clock. For operational speeds in excess of 25 MHz, SYSCLK must
4. SYSCLK must be at least 32 kHz to enable debugging.
5. Based on device characterization data, not production tested.
6. Active and Inactive IDD at voltages and frequencies other than those specified can be calculated
7. I
8. Idle IDD can be estimated for frequencies < 1 MHz by simply multiplying the frequency of interest by
be derived from the internal clock multiplier.
using the IDD Supply Sensitivity. For example, if the V
I
frequency sensitivity number for that range. When using these numbers to estimate I
15 MHz, the estimate should be the current at 25 MHz minus the difference in current indicated by
the frequency sensitivity number. For example: V
the frequency sensitivity number for that range. When using these numbers to estimate Idle for >
1 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
2.0 V) = 5.73 mA at 2.2 V and f = 25 MHz.
DD
20 MHz) x 0.16 mA/MHz = 4.7 mA.
(25 MHz – 5 MHz) x 0.1 mA/MHz = 0.8 mA.
= 5.5 mA typical at 2.0 V and f = 25 MHz. From this, I
can be estimated for frequencies < 15 MHz by simply multiplying the frequency of interest by the
Parameter
DD
)
DD
5,6
DD
)
5
)
5,7
REGIN
RTC-BACKUP
characteristics, see Table 8.1 on page 82.
V
V
V
V
F = 32 kHz
F = 1 MHz
F = 25 MHz
F = 50 MHz
F = 32 kHz
F = 1 MHz
F = 25 MHz
F = 50 MHz
F = 25 MHz
F = 1 MHz
F < 15 MHz, T = 25 ºC
F > 15 MHz, T = 25 ºC
F < 15 MHz, T = 25 ºC
F > 15 MHz, T = 25 ºC
DD
DD
DD
DD
Rev. 1.0
) is used to power the smaRTClock peripheral only.
= 2.0 V:
= 2.5 V:
= 2.0 V:
= 2.5 V:
Conditions
DD
DD
= 2.0 V; F = 20 MHz, I
= 2.0 V; F = 5 MHz, Idle I
DD
DD
is 2.2 V instead of 2.0 V at 25 MHz:
= 5.5 mA + 1.14 x (2.2 V –
C8051F410/1/2/3
Min
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0.30
0.43
13.5
0.27
0.16
0.39
DD
Typ
114
100
5.5
9.5
8.3
0.2
13
17
= 5.5 mA – (25 MHz –
DD
= 2.8 mA –
Max
0.65
0.5
6.5
9.5
30
12
40
15
—
—
—
—
—
—
DD
for >
mA/MHz
mA/MHz
mA/MHz
mA/MHz
Units
%/V
%/V
mA
mA
mA
mA
mA
mA
µA
µA
37