Register Map Organization

Functional

0x1F

CSR1

CSR2

Code Map

0x20

0x2F

PN000[7:0]

PN000[15:8]

I/O Expansion

0x30

0x47

Port A bit_0 output

PN011[31:0]

* SATURN CS# pin must be asserted low during register access.

UST[7:0]

UST[15:8]

UST[23:16]

UID[7:0]

UID[15:8]

UID[21:16]

CPU_CLK

Transmit FIFO

Receive FIFO

CRC field I/O

Receive SNR

Encryption Reg

Sticky_bit Reg

Search & Lock Reg

0x00

0x10

PN001[31:0]

PN000[23:16]

PN000[31:24]

PN010[31:0]

Port A byte output

Port B byte output

Port C byte input

Port D byte I/O

Port D I/O dir.

Gen Purpose Cnt L

Gen Purpose Cnt H

0x40

Port A bit_1 output

Port A bit_7 output

Port B bit output

0x38

0x24

0x28

0x2C

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