W7500x Reference Manual Version1.1.0
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These bits are written by S/W to select clock source
0 : RTCCLK_hs
1 : 32K_OSC_CLK (Low speed external oscillator clock)
WDOGCLK High Speed source select register (WDOGCLK_HS_SSR)
Address offset : 0x140
Reset value : 0x0000_0001
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WDHS
R/W
[1:0] WDHS – WDOGCLK_hs clock source select register.
These bits are written by S/W to select clock source
00 : disable clock
01 : PLL output clock (MCLK)
10 : Internal 8MHz RC oscillator clock (RCLK)
11 : External oscillator clock (OCLK, 8MHz ~ 24MHz)
WDOGCLK High Speed prescale value select register
(WDOGCLK_HS_PVSR)
Address offset : 0x144
Reset value : 0x0000_0000
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WDPRE
R/W
[2:0] WDPRE – select prescale value of WDOGCLK_hs clock
These bits are written by S/W to select
000 : 1/1 (bypass)
001 : 1/2
010 : 1/4