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Jonathan Neuschäfer edited this page Dec 15, 2022 · 5 revisions
MMIO description
0xbf540000 UART 0
0xbf550000 UART 0

Registers

offset type name description
0x0008 u16 UNK8
0x0010 u16 TXLVL transmit FIFO level (max. 64)
0x0014 u16 RXLVL receive FIFO level (max. 64)
0x0018 u16 BAUDDIV clock divisor, integer part
0x001c u16 BAUDFRAC clock divisor, fractional part (in steps of 1/16)
0x0024 u16 UNK24
0x0100 u16 TX transmit data register
0x0200 u16 RX receive data register

0x0010: TXLVL

This register contains the TX FIFO level. It goes up to 64.

0x0014: RXLVL

This register contains the RX FIFO level. It goes up to 64.

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