參數(shù)資料
型號(hào): ST7PLITE05F0U6TR
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, QCC20
封裝: QFN-20
文件頁(yè)數(shù): 111/125頁(yè)
文件大?。?/td> 1956K
代理商: ST7PLITE05F0U6TR
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ST7LITE0x, ST7LITESx
86/125
13.3.4 Internal RC Oscillator and PLL
The ST7 internal clock can be supplied by an internal RC oscillator and PLL (selectable by option byte).
The RC oscillator and PLL characteristics are temperature-dependent and are grouped in two tables.
13.3.4.1 Devices with “6” order code suffix (tested for TA = -40 to +85°C) @ VDD = 4.5 to 5.5V
Notes:
1. If the RC oscillator clock is selected, to improve clock stability and frequency accuracy, it is recommended to place a
decoupling capacitor, typically 100nF, between the VDD and VSS pins as close as possible to the ST7 device.
3. Data based on characterization results, not tested in production
4. Averaged over a 4ms period. After the LOCKED bit is set, a period of tSTAB is required to reach ACCPLL accuracy
5. After the LOCKED bit is set ACCPLL is max. 10% until tSTAB has elapsed. See Figure 12 on page 26.
6. Guaranteed by design.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDD(RC)
Internal RC Oscillator operating voltage
2.4
5.5
V
VDD(x4PLL)
x4 PLL operating voltage
2.4
3.3
VDD(x8PLL)
x8 PLL operating voltage
3.3
5.5
tSTARTUP
PLL Startup time
60
PLL input clock (fPLL)
cycles
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fRC
1)
Internal RC oscillator fre-
quency
RCCR = FF (reset value), TA=25°C, VDD=5V
760
kHz
RCCR = RCCR02 ),TA=25°C, VDD=5V
1000
ACCRC
Accuracy of Internal RC
oscillator with
RCCR=RCCR02)
TA=25°C,VDD=4.5 to 5.5V
-1
+1%
TA=-40 to +85°C, VDD=5V
-5
+2
%
TA=0 to +85°C, VDD=4.5 to 5.5V
-23)
+23)
%
IDD(RC)
RC oscillator current con-
sumption
TA=25°C,VDD=5V
9703)
A
tsu(RC)
RC oscillator setup time
TA=25°C,VDD=5V
102)
s
fPLL
x8 PLL input clock
13)
MHz
tLOCK
PLL Lock time5)
2ms
tSTAB
PLL Stabilization time5)
4ms
ACCPLL
x8 PLL Accuracy
fRC = 1MHz@TA=25°C, VDD=4.5 to 5.5V
0.14)
%
fRC = 1MHz@TA=-40 to +85°C, VDD=5V
0.14)
%
tw(JIT)
PLL jitter period
fRC = 1MHz
86)
kHz
JITPLL
PLL jitter (
f
CPU/fCPU)1
6)
%
IDD(PLL)
PLL current consumption TA=25°C
6003)
A
1
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