STM32W108B-SK STMicroelectronics, STM32W108B-SK Datasheet - Page 41
STM32W108B-SK
Manufacturer Part Number
STM32W108B-SK
Description
STARTER KIT FOR STM32W108
Manufacturer
STMicroelectronics
Series
STM32r
Type
MCUr
Datasheets
1.STM32W108B-KEXT.pdf
(3 pages)
2.STM32W108B-KEXT.pdf
(209 pages)
3.STM32W108B-KEXT.pdf
(27 pages)
4.STM32W108B-KEXT.pdf
(6 pages)
5.STM32W108B-SK.pdf
(21 pages)
6.STM32W108B-KEXT.pdf
(14 pages)
7.STM32W108B-KEXT.pdf
(36 pages)
Specifications of STM32W108B-SK
Featured Product
STM32 Cortex-M3 Companion Products
Contents
Board
Silicon Manufacturer
ST Micro
Core Architecture
ARM
Core Sub-architecture
Cortex - M3
Silicon Core Number
STM32
Silicon Family Name
STM32W108xx
Kit Contents
Board
Features
IEEE
Mfg Application Notes
STM32W108 Adjacent Channel Rejection Measurements
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
*
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- STM32W108B-KEXT PDF datasheet
- STM32W108B-KEXT PDF datasheet #2
- STM32W108B-KEXT PDF datasheet #3
- STM32W108B-KEXT PDF datasheet #4
- STM32W108B-SK PDF datasheet #5
- STM32W108B-KEXT PDF datasheet #6
- STM32W108B-KEXT PDF datasheet #7
- Current page: 41 of 209
- Download datasheet (3Mb)
STM32W108CB, STM32W108HB
6.3.6
31
15
31
15
30
14
30
14
In addition to these modes, further automatic control is invoked by hardware when flash
programming is enabled. To ensure accuracy of the flash controller's timers, the FCLK
frequency is forced to 12 MHz during flash programming and erase operations.
Table 4.
Clock switching registers
XTAL or OSCHF main clock select register (OSC24M_CTRL)
Address offset: 0x4000 401C
Reset value: 0x0000 0000
CPU clock source select register (CPU_CLK_SEL)
Address offset: 0x4000 4020
Reset value: 0x0000 0000
Bit 1 OSC24M_EN: When set to ‘1’, 24 MHz crystal oscillator is main clock.
Bit 0 OSC24M_SEL: When set to ‘0’, OSCHF is selected. When set to ‘1’, XTAL is selected.
OSC24M_SEL CPU_CLK_SEL
1 (OSC24M)
1 (OSC24M)
29
13
29
13
0 (OSCHF)
0 (OSCHF)
28
12
28
12
System clock modes
27
11
27
11
0 (Normal CPU)
0 (Normal CPU)
1 (Fast CPU)
1 (Fast CPU)
26
10
26
10
25
25
9
9
Reserved
Doc ID 16252 Rev 8
Rserved
24
24
8
8
12 MHz
12 MHz
24 MHz
24 MHz
SCLK
Reserved
Reserved
23
7
23
7
22
6
22
6
12 MHz
12 MHz
6 MHz
6 MHz
PCLK
21
5
21
5
20
4
20
4
Erase Inactive
Program/
12 MHz
12 MHz
24 MHz
6 MHz
Flash
19
3
19
3
System modules
18
2
18
f
2
CLK
Erase Active
OSC24
Program/
M_EN
17
12 MHz
12 MHz
12 MHz
12 MHz
1
rws
17
Flash
1
LK_SEL
CPU_C
41/209
OSC24
M_SEL
rws
16
rws
0
16
0
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