C8051F537-ITR Silicon Labs, C8051F537-ITR Datasheet - Page 26
![no-image](/images/no-image-200.jpg)
C8051F537-ITR
Manufacturer Part Number
C8051F537-ITR
Description
8-bit Microcontrollers - MCU 2KB 12ADC 125C 20Pin MCU
Manufacturer
Silicon Labs
Datasheet
1.C8051F536-ITR.pdf
(220 pages)
Specifications of C8051F537-ITR
Product Category
8-bit Microcontrollers - MCU
Rohs
yes
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
2 KB
Data Ram Size
256 B
On-chip Adc
Yes
Package / Case
TSSOP-20
Mounting Style
SMD/SMT
A/d Bit Size
12 bit
A/d Channels Available
16
Interface Type
SPI, UART
Maximum Operating Temperature
+ 125 C
Minimum Operating Temperature
- 40 C
Number Of Programmable I/os
16
Number Of Timers
3
On-chip Dac
No
Processor Series
C8051
Program Memory Type
Flash
Factory Pack Quantity
2500
Supply Voltage - Max
2.7 V, 5.25 V
Supply Voltage - Min
2 V, 2.7 V
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C8051F52x/F53x
2.2. Electrical Characteristics
Table 2.2. Global DC Electrical Characteristics
–40 to +125 °C, 25 MHz System Clock unless otherwise specified. Typical values are given at 25 °C
26
Supply Input Voltage (V
Digital Supply Voltage (V
Core Supply RAM Data Retention
Voltage
SYSCLK (System Clock)
Specified Operating Temperature Range
Digital Supply Current—CPU Active (Normal Mode, fetching instructions from Flash)
I
I
Notes:
DD
DD
3,4
1. For more information on V
2. SYSCLK must be at least 32 kHz to enable debugging.
3. Based on device characterization data; Not production tested.
4. Does not include internal oscillator or internal regulator supply current.
5. I
6. Idle I
Frequency Sensitivity
sensitivity number for that range. When using these numbers to estimate I
the current at 25 MHz minus the difference in current indicated by the frequency sensitivity number. For
example: V
sensitivity number for that range. When using these numbers to estimate I
the current at 25 MHz minus the difference in current indicated by the frequency sensitivity number. For
example: V
DD
can be estimated for frequencies <= 12 MHz by multiplying the frequency of interest by the frequency
DD
can be estimated for frequencies <= 1 MHz by multiplying the frequency of interest by the frequency
Parameter
DD
DD
= 2.6 V; F= 20 MHz, I
= 2.6 V; F= 5 MHz, Idle I
REGIN
DD
2
3,5
)
)
1
REGIN
characteristics, see Table 2.6 on page 30.
DD
= 7.3 mA – (25 MHz – 20 MHz) x 0.184 mA/MHz = 6.38 mA.
DD
Output Current < 1 mA
C8051F52x/53x
C8051F52xA/53xA
C8051F52x-C/53x-C
C8051F52x/53x
C8051F52xA/53xA
C8051F52x-C/53x-C
V
V
T = 25 °C:
V
V
V
V
Clock = 32 kHz
Clock = 200 kHz
Clock = 1 MHz
Clock = 25 MHz
Clock = 32 kHz
Clock = 200 kHz
Clock = 1 MHz
Clock = 25 MHz
DD
DD
DD
DD
DD
DD
= 3 mA – (25 MHz– 5 MHz) x 118 µA/MHz = 0.64 mA.
= 2.1 V:
= 2.6 V:
= 2.1 V, F < 12 MHz
= 2.1 V, F > 12 MHz
= 2.6 V, F < 12 MHz
= 2.6 V, F > 12 MHz
Rev. 1.4
Conditions
DD
DD
1.8
2.0
Min
–40
2.7
2.0
1.8
2.0
—
—
—
—
—
—
—
—
—
—
—
—
—
0
> 12 MHz, the estimate should be
> 1 MHz, the estimate should be
1
1
0.276
0.140
0.424
0.184
0.28
Typ
105
1.5
5.1
0.5
7.3
13
60
22
—
—
—
—
—
—
—
—
+125
Max
5.25
5.25
5.25
2.75
2.7
2.7
25
13
—
—
—
—
—
—
—
—
—
—
—
9
V
mA/MHz
mA/MHz
mA/MHz
mA/MHz
Units
MHz
mA
mA
mA
mA
µA
µA
µA
µA
°C
V
V
V
V
V
V
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