C8051F581-IMR Silicon Labs, C8051F581-IMR Datasheet - Page 48

• Manufacturer Part Number: C8051F581-IMR
• Description: 8-bit Microcontrollers - MCU 50MIPS 128kB 8kB SPI
• Manufacturer: Silicon Labs

Specifications of C8051F581-IMR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

C8051F58x/F59x
Table 5.4. Reset Electrical Characteristics
–40 to +125 °C unless otherwise specified.
Table 5.5. Flash Electrical Characteristics
V
48
RST Output Low Voltage
RST Input High Voltage
RST Input Low Voltage
RST Input Pullup Current
V
V
Missing Clock Detector Timeout
Reset Time Delay
Minimum RST Low Time to 
Generate a System Reset
V
V
Flash Size
Endurance
Flash Retention
Erase Cycle Time
Write Cycle Time
V
DD
DD
DD
DD
DD
DD
1. On the 128K Flash devices, 1024 bytes at addresses 0xFC00 to 0xFFFF (Bank 3) are reserved.
2. See Table 5.4 for the
= 1.8 to 2.75 V, –40 to +125 °C unless otherwise specified.
POR Threshold (V
POR Threshold (V
Monitor Turn-on Time
Monitor Supply Current
Parameter
Parameter
RST-LOW
RST-HIGH
C8051F580/1/2/3/8/9
C8051F584/5/6/7-F590/1
85 °C
25 MHz System Clock
25 MHz System Clock
Write / Erase operations
V
RST-HIGH
)
)
Conditions
VIO = 5.0 V; IOL = 70 µA
RST = 0.0 V
Time from last system clock
rising edge to reset initiation
V
V
Delay between release of
any reset source and code 
execution at location 0x0000
specification.
DD
DD
= 2.1 V
= 2.5 V
Conditions
Rev. 1.2
V
RST-HIGH
20 k
Min
10
79
28
2
0.7 x V
131072
1.65
2.25
98304
Min
200
200
—
—
—
—
—
6
150 k
Typ
30
84
—
—
IO
*
1.75
2.30
Typ
390
280
130
45
60
—
—
—
—
1
Max
125
45
—
—
—
0.3 x V
Max
1.80
2.45
115
600
600
160
100
40
—
—
2
Erase/Write
IO
Units
Bytes
years
ms
µs
V
Units
mV
µA
µA
µs
µs
µs
µs
V
V