SC28L201 datasheet(86/110 Pages) NXP

86 / 110 page

9397 750 13138

Product data sheet

Rev. 01 — 31 October 2005

86 of 110

Philips Semiconductors

SC28L201

3.3 V, 5 V UART, 3.125 Mbit/s, with 256-byte FIFO

The registers of the SC28L201 are loosely partitioned into two groups: those used in

controlling data channels, and those used in handling the actual data ﬂow and status.

Below is shown the general conﬁguration of all the registers addressed. The Table 78

“Register map summary” shows the conﬁguration of the address.

Any programming using the SC28L201 as it is intended would always use the address

space from 0x10 through 0x7F.

[1]

This register conﬁgures the whole chip.

Table 77:

A[6:0]

Read

Write

001 0000 (0x10)

Receiver FIFO Fill Level (RxFL A)

Set Output Port Register (SOPR A)

001 0001 (0x11)

Transmitter FIFO Empty level (TxEL A)

Reset Output Port Register (ROPR A)

001 0010 (0x12)

Enhanced Operation Status (EOS) [1]

Command Register Extension (CRx A)

001 0011 (0x13)

Input Port Change Register Upper (IPCRU A)

I/O Port Conﬁguration Register 0 (I/OPCR 0)

001 0100 (0x14)

Input Port Change Register Lower (IPCRL A)

I/O Port Conﬁguration Register 1 (I/OPCR 1)

001 0101 (0x15)

Input Port Register (IPR A)

001 0110 (0x16)

Counter Timer Value Register Upper (CTVU 0)

Counter Timer Preset Register Upper (CTPU 0)

001 0111 (0x17)

Counter Timer Value Register Lower (CTVL 0)

Counter Timer Preset Register Lower (CTPL 0)

…

001 1000 (0x18)

Set Output Port Register (SOPR B)

001 1001 (0x19)

Reset Output Port Register (ROPR B)

001 1010 (0x1A)

Command Register Extension (CRx B)

001 1011 (0x1B)

Input Port Change Register Upper (IPCRU B)

I/O Port Conﬁguration Register 2 (I/OPCR 2)

001 1100 (0x1C)

Input Port Change Register Lower (IPCRL B)

I/O Port Conﬁguration Register 3 (I/OPCR 3)

001 1101 (0x1D)

Input Port Register (IPR B)

001 1110 (0x1E)

Counter Timer Value Register Upper (CTVU 1)

Counter Timer Preset Register Upper (CTPU 1)

001 1111 (0x1F)

Counter Timer Value Register Lower (CTVL 1)

Counter Timer Preset Register Lower (CTPL 1)

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