C8051F537-IT Silicon Laboratories Inc, C8051F537-IT Datasheet - Page 32

• Manufacturer Part Number: C8051F537-IT
• Description: IC 8051 MCU 2K FLASH 20TSSOP
• Manufacturer: Silicon Laboratories Inc
• Series: C8051F53xr

Specifications of C8051F537-IT

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 25MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
• Number Of I /o: 16
• Program Memory Size: 2KB (2K x 8)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.25 V
• Data Converters: A/D 16x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: 336-1401

C8051F52x/F52xA/F53x/F53xA
Table 2.7. Reset Electrical Characteristics
–40 to +125 °C unless otherwise specified.
32
RST Output Low Voltage
RST Input High Voltage
RST Input Low Voltage
RST Input Pullup Impedance
V
V
Missing Clock Detector Timeout
Reset Time Delay
Minimum RST Low Time to Generate a
System Reset
V
V
Note: Refer to Section “20. Device Specific Behavior” on page 209.
DD
DD
DD
DD
Monitor Threshold (V
Monitor Threshold (V
Monitor Turn-on Time
Monitor Supply Current
Parameter
*
RST-LOW
RST-HIGH
)
)
I
2.1 V
V
V
V
V
C8051F52x/53x
C8051F52xA/53xA
C8051F52x/53x
C8051F52xA/53xA
Time from last system
clock rising edge to reset
initiation
Delay between release
of any reset source and
code execution at loca-
tion 0x0000
V
OL
REGIN
REGIN
REGIN
REGIN
DD
= 8.5 mA, V
= 2.1 V
Conditions
= 1.8 V
= 2.7 V
= 3.3 V
= 5 V
Rev. 1.3
DD
=
V
0.7 x
2.25
REGIN
Min
100
1.8
1.7
2.1
10
—
—
—
—
—
—
—
—
—
1.75
Typ
330
160
130
350
1.9
2.2
2.3
—
—
—
80
—
—
83
2
V
0.3 x
Max
REGIN
650
350
0.8
2.0
1.8
2.3
2.4
—
—
—
—
—
—
—
6
Units
k
k
k
k
µA
µs
µs
µs
µs
V
V
V
V
V
V
V