STM32W108CZ STMicroelectronics, STM32W108CZ Datasheet - Page 58
STM32W108CZ
Manufacturer Part Number
STM32W108CZ
Description
High-performance, IEEE 802.15.4 wireless system-on-chip with embedded Flash memory
Manufacturer
STMicroelectronics
Datasheet
1.STM32W108CC.pdf
(232 pages)
Specifications of STM32W108CZ
Receive Current (w/ Cpu)
27 mA
Transmit Current (w/ Cpu, +3 Dbm Tx)
31 mA
Low Deep Sleep Current, With Retained Ram And Gpio
400 nA/800 nA with/without sleep timer
Standard Arm Debug Capabilities
Flash patch & breakpoint; data watchpoint & trace; instrumentation trace macrocell
Single Voltage Operation
2.1-3.6 V with internal 1.8 V and 1.25 V regulators
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General-purpose input/outputs
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General-purpose input/outputs
The STM32W108 has 24 multi-purpose GPIO pins that may be individually configured as:
●
●
●
●
●
●
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The basic structure of a single GPIO is illustrated in
Figure 9.
A Schmitt trigger converts the GPIO pin voltage to a digital input value. The digital input
signal is then always routed to the GPIO_PxIN register; to the alternate inputs of associated
peripheral devices; to wake detection logic if wake detection is enabled; and, for certain
pins, to interrupt generation logic. Configuring a pin in analog mode disconnects the digital
input from the pin and applies a high logic level to the input of the Schmitt trigger.
Only one device at a time can control a GPIO output. The output is controlled in normal
output mode by the GPIO_PxOUT register and in alternate output mode by a peripheral
device. When in input mode or analog mode, digital output is disabled.
General purpose output
General purpose open-drain output
Alternate output controlled by a peripheral device
Alternate open-drain output controlled by a peripheral device
Analog
General purpose input
General purpose input with pull-up or pull-down resistor
GPIO_PxSET
GPIO_PxCLR
GPIO_PxOUT
GPIO block diagram
Alternate output
Alternate input
Wake detection
GPIO_PxIN
STM32W108HB STM32W108CC STM32W108CB STM32W108CZ
GPIO_PxWAKE
Doc ID 16252 Rev 13
Output control
(push pull ,
open drain , or
disabled )
VDD_PADS
Schmitt trigger
GND
N-MOS
P-MOS
GPIO_PxCFGH/L
Figure
VDD_PADS
9.
GND
functions
Analog
VDD_PADS
GND
Protection
Protection
diode
diode
PIN
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