STM32L162QD STMicroelectronics, STM32L162QD Datasheet - Page 21

• Manufacturer Part Number: STM32L162QD
• Description: Ultra-low-power ARM Cortex-M3 MCU with 384 Kbytes Flash, 32 MHz CPU, LCD, USB, 3xOp-amp, AES
• Manufacturer: STMicroelectronics

Specifications of STM32L162QD

• Operating Power Supply Range: 1.65 V to 3.6 V (without BOR) or 1.8 V to 3.6 V
• 7 Modes: Sleep, Low-power run (11 μA at 32 kHz), Low-power sleep (4.4 μA), Stop with RTC, Stop (650 nA), Standby with RTC, Standby (300 nA)
• Ultralow Leakage Per I/o: 50 nA max
• Fast Wakeup Time From Stop: 8 μs
• Core: ARM 32-bit Cortex™-M3 CPU
• Dma: 12-channel DMA controller
• 11 Timers: one 32-bit and six 16-bit general-purpose timers, two 16-bit basic timers, two watchdog timers (independent and window)

STM32L162VD, STM32L162ZD, STM32L162QD, STM32L162RD
3.10
3.11
LCD (liquid crystal display)
The LCD drives up to 8 common terminals and 44 segment terminals to drive up to 320
pixels.
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ADC (analog-to-digital converter)
A 12-bit analog-to-digital converters is embedded into STM32L162xD devices with up to 40
external channels, performing conversions in single-shot or scan mode. In scan mode,
automatic conversion is performed on a selected group of analog inputs with up to 29
external channel in a group.
The ADC can be served by the DMA controller.
An analog watchdog feature allows very precise monitoring of the converted voltage of one,
some or all scanned channels. An interrupt is generated when the converted voltage is
outside the programmed thresholds.
The events generated by the general-purpose timers (TIMx) can be internally connected to
the ADC start triggers, to allow the application to synchronize A/D conversions and timers.
An injection mode allows high priority conversions to be done by interrupting a scan mode
which runs in as a background task.
The ADC includes a specific low power mode. The converter is able to operate at maximum
speed even if the CPU is operating at a very low frequency and has an auto-shutdown
function. The ADC’s runtime and analog front-end current consumption are thus minimized
whatever the MCU operating mode.
Temperature sensor
The temperature sensor has to generate a voltage that varies linearly with temperature. The
conversion range is between 1.8 V < V
connected to the ADC_IN16 input channel.
Voltage reference
An internal precise voltage reference can be measured through the ADC. It enables
accurate monitoring of the V
ADC).
Internal step-up converter to guarantee functionality and contrast control irrespective of
V
the voltage to the LCD
Supports static, 1/2, 1/3, 1/4 and 1/8 duty
Supports static, 1/2, 1/3 and 1/4 bias
Phase inversion to reduce power consumption and EMI
Up to 8 pixels can be programmed to blink
Unneeded segments and common pins can be used as general I/O pins
LCD RAM can be updated at any time owing to a double-buffer
The LCD controller can operate in Stop mode
DD
. This converter can be deactivated, in which case the V
DD
Doc ID 022268 Rev 2
value (when no external voltage, V
DDA
< 3.6 V. The temperature sensor is internally
LCD
REF+
pin is used to provide
Functional overview
, is available for
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