STM32W108HBU64TR STMicroelectronics, STM32W108HBU64TR Datasheet - Page 17

• Manufacturer Part Number: STM32W108HBU64TR
• Description: 16/32-BITS MICROS
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32W108HBU64TR

• Applications: RF4CE, Remote Control
• Core Processor: ARM® Cortex-M3™
• Program Memory Type: FLASH (128 kB)
• Controller Series: STM32W
• Ram Size: 8K x 8
• Interface: I²C, SPI, UART/USART
• Number Of I /o: 18
• Voltage - Supply: 1.18 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 40-VFQFN Exposed Pad
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

STM32W108CB, STM32W108HB
Table 2.
Package
Pin no.
48-Pin
10
11
12
13
14
15
16
17
18
9
Package
Pin no.
40-Pin
Pin descriptions (continued)
10
11
12
13
14
8
9
BIAS_R
VDD_PADSA
PC5
TX_ACTIVE
nRESET
PC6
OSC32B
nTX_ACTIVE
PC7
OSC32A
OSC32_EXT
VREG_OUT
VDD_PADS
VDD_CORE
PA7
TIM1_CH4
REG_EN
Signal
Direction
current
Power
Power
Power
Power
High
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
I
I
I
I
Doc ID 16252 Rev 8
Bias setting resistor
Analog pad supply (1.8V)
Digital I/O
Logic-level control for external Rx/Tx switch. The
STM32W108 baseband controls TX_ACTIVE and drives it
high (VDD_PADS) when in Tx mode.
Select alternate output function with GPIO_PCCFGH[7:4]
Active low chip reset (internal pull-up)
Digital I/O
32.768 kHz crystal oscillator
Select analog function with GPIO_PCCFGH[11:8]
Inverted TX_ACTIVE signal (see PC5)
Select alternate output function with GPIO_PCCFGH[11:8]
Digital I/O
32.768 kHz crystal oscillator.
Select analog function with GPIO_PCCFGH[15:12]
Digital 32 kHz clock input source
Regulator output (1.8 V while awake, 0 V during deep sleep)
Pads supply (2.1-3.6 V)
1.25 V digital core supply decoupling
Digital I/O. Disable REG_EN with GPIO_DBGCFG[4]
Timer 1 Channel 4 output
Enable timer output with TIM1_CCER
Select alternate output function with GPIO_PACFGH[15:12]
Disable REG_EN with GPIO_DBGCFG[4]
Timer 1 Channel 4 input. (Cannot be remapped.)
External regulator open drain output. (Enabled after reset.)
Description
Pinout and pin description
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