Datasheet

48 Maxim Integrated

Quad Serial UART with 128-Word FIFOs

MAX14830

XOFF1 Register

The XOFF1 and XOFF2 register contents define the XOFF characters for automatic XON/XOFF flow control and/or the

special characters used in special character detection. See details in the FlowCtrl register description.

Bits 7–0: Bit[n]

These bits define the XOFF1 character if single character XOFF auto software flow control is enabled in FlowCntrl[7:4].

If double character flow control is selected in FlowCntrl[7:4], these bits constitute the LSB of the XOFF character. If

special character detection is enabled in MODE2[4] and auto software flow control is not enabled, these bits define a

special character.

If special character detection and software flow control area both enabled, XOFF1 defines the XOFF flow control

character.

XOFF2 Register

The XOFF1 and XOFF2 register contents define the XOFF characters for automatic XON/XOFF flow control and/or spe-

cial characters used for special character detection. See details in the FlowCtrl register description.

Bits 7–0: Bit[n]

These bits define the XOFF2 character if auto software flow control is enabled in FlowCntrl[7:4]. If double character flow

control is selected in FlowCntrl[7:4], these bits constitute the MSB of the XOFF character. If special character detection

is enabled in MODE2[4] and auto flow control is not enabled, these bits define a special character. If both special char-

acter detection and auto flow control are enabled (MODE2[4] and FlowCntrl[3]), these bits define a special character.

ADDRESS: 0x16

MODE: R/W

BIT 7 6 5 4 3 2 1 0

NAME

Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0

RESET