W7500x Reference Manual Version1.1.0
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R/W
[7:0] ILPDVSR – 8-bit low-power divisor value
These bits are cleared to 0 at reset
ILPDVSR = (𝐹
𝑈𝐴𝑅𝑇𝐶𝐿𝐾
/𝐹
𝐼𝑟𝐿𝑃𝐵𝑎𝑢𝑑16
)
Where,
𝐹
𝐼𝑟𝐿𝑃𝐵𝑎𝑢𝑑16
is nominally 1.8432MHz
The divisor is 1.42MHz <
𝐹
𝐼𝑟𝐿𝑃𝐵𝑎𝑢𝑑16
< 2.12MHz, results in a low-power pulse duration of 1.41
– 2.11us.
UART1IBRD (UART1 Integer Baud Rate Register)
Address offset: 0x0024
Reset value: 0x00
The UART1IBRD Register is the integer part of the baud rate divisor value.
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BAUD DIVINT
w
[15:0] BAUD DIVINT – The integer baud rate divisor.
These bits are cleared to 0 on reset
UART1FBRD (UART1 Fractional Baud Rate Register)
Address offset: 0x0028
Reset value: 0x00
The UART1FBRD register is the fractional part of the baud rate divisor value.
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BAUD DIVFRAC
w
[5:0] BAUD DIVFRAC – The fractional baud rate divisor.
These bits are cleared to 0 on reset