STR752FR1H7 STMICROELECTRONICS [STMicroelectronics], STR752FR1H7 Datasheet - Page 27

• Manufacturer Part Number: STR752FR1H7
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

STR750Fxx STR751Fxx STR752Fxx STR755Fxx
Power supply scheme 2: Dual external 1.8V and 3.3V supply
Figure 9.
+/-0.3V
V
3.3V
DD_IO
1.8V
VREG_DIS
V
V
V
V
V
V
V
GP I/Os
ADC
SS_BKP
V
DD_ADC
18_BKP
DD_PLL
SS_ADC
SS_PLL
V
DD_IO
V
Power supply scheme 2
18REG
SS_IO
SS18
V
IN
18
3.3V
3.3V
V
IO
=3.3V
LOW POWER
REGULATOR
REGULATOR
VOLTAGE
ADC
VOLTAGE
OUT
PLL
IN
MAIN
OFF
OFF
NOTE : THE EXTERNAL 3.3 V POWER SUPPLY MUST ALWAYS BE KEPT ON
V
V
MVREG
LPVREG
I/O LOGIC
POWER
SWITCH
V
BACKUP
V
CORE
Electrical parameters
BACKUP REGISTERS)
WAKEUP LOGIC,
(OSC32K, RTC
CIRCUITRY
MEMORIES)
BACKUP
DIGITAL &
(CORE &
KERNEL
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