参数资料
型号: ST72F652R4T1
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP64
封装: 14 X 14 MM, TQFP-64
文件页数: 33/160页
文件大小: 974K
代理商: ST72F652R4T1
ST7265
128/160
OPERATING CONDITIONS (Cont’d)
13.3.2 Operating Conditions with Low Voltage Detector (LVD)
Subject to general operating conditions for VDD,fOSC,and TA.
Figure 72. Low LVD Threshold Versus V
DD and f
OSC
Notes:
1. LVD typical data are based on TA=25°C. They are given only as design guidelines and are not tested.
2. Not tested, guaranteed by construction.
3. The VDD rise time condition is needed to insure a correct device power-on and LVD reset. Not tested in production.
13.3.3 Power Supply Manager Characteristics
Subject to general operating conditions for VDD,fOSC,and TA.
13.3.4 Storage Device Supply Characteristics
Subject to general operating conditions for VDD,fOSC,and TA.
Note: In Stand-alone mode VDDF must be connected to VDD
Symbol
Parameter
Condition s
Min
Typ 1)
Max
Unit
VIT+
Reset release threshold
(VDD rise)
2.4
2.5
2.6
V
VIT-
Reset generation threshold
(VDD fall)
2.2
2.3
2.4
Vhys
LVD voltage threshold hysteresis
VIT+-VIT-
100
200
mV
fCUTOFF
LVD filter cut-off frequency 2)
Not detected by the LVD
10
MHz.
VtPOR
VDD rise time
3)
0.1
10
ms
Symbol
Parameter
Condition s
Min
Typ 1)
Max
Unit
USBVIT+
Reset release threshold
(VDD rise)
3.75
3.85
3.95
V
USBVIT-
Reset generation threshold
(VDD fall)
3.55
3.65
3.75
USBVhys
USB voltage threshold hysteresis
USBVIT+-USBVIT-
100
200
mV
VPLLmin48
Minimum voltage required for stable
48MHz PLL operation (PLL locked)
3.7
V
VPLLmin40
Minimum voltage required for
40MHz PLL operation (PLL un-
locked)
3.4
V
VPLLmin24
Minimum voltage required for
24MHz PLL operation (PLL un-
locked)
3.0
V
Symbol
Parameter
Condition s
Min
Typ 1)
Max
Unit
VDDF
Voltage output for external storage
device
USB Mode: VSET[1:0]=00
2.4
2.5
2.6
V
01
2.7
2.8
2.9
10
3.0
3.1
3.2
11
3.3
3.4
3.5
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