STR751FR2 STMicroelectronics, STR751FR2 Datasheet - Page 26

• Manufacturer Part Number: STR751FR2
• Description: ARM7TDMI-S™ 32-BIT MCU with Flash, SMI, 3 std 16-bit timers, PWM timer, fast 10-bit ADC, I2C, UART, SSP, USB and CAN
• Manufacturer: STMicroelectronics

Specifications of STR751FR2

• Smart Low Power Modes: SLOW, WFI, STOP and STANDBY with backup registers
• Conversion Time: min. 3.75 μs

Electrical parameters
6.1.6
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Power supply schemes
When mentioned, some electrical parameters can refer to a dedicated power scheme
among the four possibilities. The four different power schemes are described below.
Power supply scheme 1: Single external 3.3 V power source
Figure 8.
+/-0.3V
33nF
3.3V
1µF
10µF
VREG_DIS
1µF
GP I/Os
V
V
V
V
V
V
ADC
V
DD_ADC
SS_ADC
SS_PLL
V
V
DD_PLL
18_BKP
SS_BKP
Power supply scheme 1
V
18REG
V
DD_IO
SS_IO
SS18
SS18
V
IN
18
3.3V
3.3V
V
IO
=3.3V
V
LOW POWER
REGULATOR
REGULATOR
18
ADC
VOLTAGE
VOLTAGE
OUT
PLL
IN
MAIN
V
V
MVREG
LPVREG
STR750Fxx STR751Fxx STR752Fxx STR755Fxx
I/O LOGIC
= 1.8V
~1.4V
IN STANDBY MODE THIS BLOCK IS KEPT POWERED ON
POWER
SWITCH
NORMAL
MODE
V
BACKUP
V
CORE
BACKUP REGISTERS)
WAKEUP LOGIC,
OSC32K, RTC
KERNEL LOGIC
CIRCUITRY
MEMORIES)
BACKUP
DIGITAL &
(CPU &