SC28L194 datasheet(32/52 Pages) PHILIPS

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Philips Semiconductors

Preliminary specification

SC28L194

Quad UART for 3.3V and 5V supply voltage

1998 Sep 21

Table 45.

NOTE: The register maps for channels A and B (UARTs A and B) contain some control registers that configure the entire chip. These are

denoted by a

♣ symbol

A(7:0)

UART A

A(7:0)

Read

Write

0000 0000 (x00)

Mode Register 0 MR0a

0000 0001 (x01)

Mode Register 1 MR1a

0000 0010 (x02)

I/O Port Configuration Reg a I/OPCRa

0000 0011 (x03)

BCRBRKa

0000 0100 (x04)

BCRCOSa

0000 0101 (x05)

Reserved

0000 0110 (x06)

BCRXa

0000 0111 (x07)

BCRAa

0000 1000 (x08)

Xon Character Reg a (XonCRa)

0000 1001 (x09)

Xoff Character Reg a (XoffCRa)

0000 1010 (x0A)

Address Recognition Character a (ARCRa)

0000 1011 (x0B)

Reserved

0000 1100 (x0C)

Receiver Clock Select Register a (RxCSRa)

0000 1101 (x0D)

♣ Test Register

Test Register

0000 1110 (x0E)

Xmit Clock Select Register a TxCSRa)

0000 1111 (x0F)

♣ Global Chip Configuration Reg(GCCR)

Global Chip Configuration Reg GCCR)

A(7:0)

UART B

A(7:0)

Read

Write

0001 0000 (x10)

Mode Register 0 MR0b

0001 0001 (x11)

Mode Register 1 MR1b

0001 0010 (x12)

I/O Port Configuration Reg b I/OPCRb

0001 0011 (x13)

BCRBRKb

0001 0100 (x14)

BCRCOSb

0001 0101 (x15)

Reserved

0001 0110 (x16)

BCRXb

0001 0111 (x17)

BCRAb

0001 1000 (x18)

Xon Character Reg b (XonCRb)

0001 1001 (x19)

Xoff Character Reg b (XoffCRb)

0001 1010 (x1A)

Address Recognition Character b (ARCRb)

0001 1011 (x1B)

♣ Interrupt Control Register (ICR)

Interrupt Control Register (ICR)

0001 1100 (x1C)

Receiver Clock Select Register b (RxCSRb)

0001 1101 (x1D)

♣ Watch-dog Timer Run Control (WDTRCR)

Watch-dog Timer Run Control (WDTRCR)

0001 1110 (x1E)

Xmit Clock Select Register b (TxCSRb)

0001 1111 (x1F)

♣ Interrupt Vector Register (IVR)

Interrupt Vector Register (IVR)

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