參數(shù)資料
型號(hào): SI8250-IM
廠(chǎng)商: SILICON LABORATORIES
元件分類(lèi): 微控制器/微處理器
英文描述: DIGITAL POWER CONTROLLER
中文描述: SPECIALTY MICROPROCESSOR CIRCUIT, QCC28
封裝: 5 X 5 MM, ROHS COMPLIANT, QFN-28
文件頁(yè)數(shù): 11/30頁(yè)
文件大?。?/td> 932K
代理商: SI8250-IM
Si8250/1/2
Preliminary Rev. 0.8
11
Table 11. Reset Electrical Characteristics
TA = –40 to +125 °C, VDD = 2.5 V, SYSCLK = 25 MHz, PLLCLK = 200 MHz unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Units
RST Output Low Voltage
I
OL
= 8.5mA, VDD = 2.5V
0.7
V
RST Input High Voltage
0.7 x V
DD
V
RST Input Low Voltage
0.3 x V
DD
V
RST Input Pull-up Current
RST = 0.0
25
TBD
μA
VDD POR Threshold
2.0
2.1
2.2
V
Missing clock detector timeout
Time from last system clock ris-
ing edge to start of reset
250
650
μs
Reset time delay
Delay between release of any
reset source and code execu-
tion at location 0x0000
5.0
μs
Minimum RST Low time to gen-
erate a System Reset
6.5
μs
VDD monitor turn-on time
100
μs
VDD monitor supply current
40
μA
Table 12. Flash Electrical Characteristics
TA = –40 to +125 °C, VDD = 2.25 V – 2.75 V, SYSCLK = 25 MHz, PLLCLK = 200 MHz unless otherwise specified.
Parameter
Conditions
Min
Typ
Max
Units
Flash Size
Si8250
32768
(1)
bytes
Si8251, Si8252
16383
(1)
Endurance
10 K
100 K
Erase/Write
Read Cycle Time
TBD
ns
Erase Cycle Time
50 MHz System Clock
32
48
ms
Write Cycle Time
50 MHz System Clock
76
114
μs
Notes:
1.
The last 512 bytes of memory are reserved.
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