參數(shù)資料
型號： ST7265
英文描述： ST7 - LOW-POWER. FULL-SPEED USB 8-BIT MCU WITH 32K FLASH. 5K RAM. FLASH CARD I/F. TIMER. PWM. ADC. I2C
中文描述： ST7的-低功耗。全速USB 8位32K快閃微控制器。 5K內(nèi)存。閃存卡的I /樓計(jì)時(shí)器。脈寬調(diào)制。 ADC的。的I2C
文件頁數(shù)： 37/166頁
文件大小： 2089K
代理商： ST7265
ST7265x
131/166
OPERATING CONDITIONS (Cont’d)
13.3.2 Operating Conditions with Low Voltage Detector (LVD)
Subject to general operating conditions for VDD, fOSC, and TA.
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. Not guaranteed on LVD devices (without E
suffix).
1. Not tested, guaranteed by construction.
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
Conditions
Min
Typ 1)
Max
Unit
VIT+
Reset release threshold
(VDD rise)
2.9
3.5
3.8
V
VIT-
Reset generation threshold
(VDD fall)
2.6
3.1
3.5
Vhys
LVD voltage threshold hysteresis
VIT+-VIT-
150
300
mV
fCUTOFF
LVD filter cut-off frequency 2)
Not detected by the LVD
10
MHz.
VtPOR
VDD rise time
3)
0.3
10
ms
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
USBVIT+
Reset release threshold
(VDD rise)
3.50
3.80
4.00
V
USBVIT-
Reset generation threshold
(VDD fall)
3.30
3.65
3.80
USBVhys
USB voltage threshold hysteresis
USBVIT+-USBVIT-
100
200
300
mV
VPLLmin48
Minimum voltage required for stable
48MHz PLL operation (PLL locked)
3.7 1)
V
VPLLmin40
Minimum voltage required for
40MHz PLL operation (PLL un-
locked)
3.4 1)
V
VPLLmin24
Minimum voltage required for
24MHz PLL operation (PLL un-
locked)
3.0 1)
V
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VDDF
Voltage output for external storage
device (Iload max = 50mA)
USB Mode: VSET[1:0]=11
2.5
2.8
3.2
V
10
2.9
3.3
3.6
01
3.0
3.4
3.8
00
3.1
3.5
3.9
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