参数资料
型号: STR751FR0H6
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 32-BIT, FLASH, 48 MHz, RISC MICROCONTROLLER, PBGA64
封装: 8 X 8 MM. 1.70 MM HEIGHT, ROHS COMPLIANT, LFBGA-64
文件页数: 44/84页
文件大小: 1656K
代理商: STR751FR0H6
STR750Fxx STR751Fxx STR752Fxx STR755Fxx
Electrical parameters
PLL characteristics
Subject to general operating conditions for VDD_IO, and TA.
Internal RC oscillators (FREEOSC & LPOSC)
Subject to general operating conditions for VDD_IO, and TA.
Table 24.
PLL characteristics
Symbol
Parameter
Test Conditions
Value
Unit
Min
Typ
Max(1)
1.
Data based on product characterisation, not tested in production.
fPLL_IN
PLL input clock
4.0
MHz
PLL input clock duty cycle
40
60
%
fPLL_OUT
PLL multiplier output clock
fPLL_INx 24
165
MHz
fVCO
VCO frequency range
When PLL
operates (locked)
336
960
MHz
tLOCK
PLL lock time
300
μs
Δt
JITTER1
(2)(3)
2.
Refer to jitter terminology in : PLL characteristics on page 47 for details on how jitter is specified.
3.
The jitter specification holds true only up to 50mV (peak-to-peak) noise on VDDA_PLL and V18 supplies.
Jitter will increase if the noise is more than 50mV. In addition, it assumes that the input clock has no jitter.
Single period jitter (+/-3
Σ peak
to peak)
fPLL_IN = 4 MHz
(4)
VDD_IO is stable
4.
The PLL parameters (MX1, MX0, PRESC1, PRESC2) must respect the constraints described in: PLL
+/-250
ps
Δt
JITTER2
(2)(3) Long term jitter (+/-3Σ peak to
peak)
fPLL_IN = 4 MHz
VDD_IO is stable
+/-2.5
ns
Δt
JITTER3
(2)(3) Cycle to cycle jitter (+/-3Σ peak
to peak)
fPLL_IN = 4 MHz
VDD_IO is stable
+/-500
ps
Table 25.
Internal RC oscillators (FREEOSC & LPOSC)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
fCK_FREEOSC FREEOSC Oscillator Frequency
3
5
8
MHz
fCK_LPOSC
LPOSC Oscillator Frequency
150
300
500
kHz
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