ST7265XEVALMS STMicroelectronics, ST7265XEVALMS Datasheet - Page 35

• Manufacturer Part Number: ST7265XEVALMS
• Manufacturer: STMicroelectronics

Specifications of ST7265XEVALMS

• Lead Free Status / Rohs Status: Supplier Unconfirmed

POWER SUPPLY MANAGEMENT (Cont’d)
Figure 24. Power Supply Management: Dual Power Supply
SUPPLY
VOLTAGES
PLG INTERRUPT
REQUEST
RESET
S/W
STATUS
USBEN
V
voltage
PLL
ON/OFF
48 MHz
SIGNAL
CLOCK
SOURCE
DD
STAND-ALONE
SUPPLY
pin
3. PLL start-up time (automatically controlled by hardware following a software reset)
4. PLL running with frequency in the range of 48 to 24 MHz (see
1. Interrupt processing
2. Finish current processing
V
RESET
IT+(LVD)
CRYSTAL (12MHz)
NO CLOCK
PLL OFF
STAND-ALONE
PROCESSING
HI-Z
STAND-ALONE
USBV
IT+
1
S/W Reset
2
UNDE
FINED
USBV
RESET
3
DD
USB MODE
PLL ON
STABLE 48 MHz
USB MODE
PROCESS.
ON
section 13.3.3 on page
USBV
PLL
IT-
1 2
V
S/W Reset
4
PLLmin48
RST
128)
STAND-ALONE
STAND-ALONE MODE
PLL OFF
PROCESSING
CRYSTAL (12MHz)
NO CLOCK
HI-Z
ST7265x
RESET
V
IT-(LVD)
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