GC5316 datasheet(51/75 Pages) TI

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GC5316

SLWS154A − JANUARY 2004 − REVISED MARCH 2004

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5.1.4 Global Control Variables

These registers contain global controls for the GC5316. These registers are not paged and are accessed directly

using addresses 32−63 (20−3f hex)

VARIABLE NAME

TYPE

ADDRESS

LSB

POSITION

BIT

WIDTH

DEFAULT

DESCRIPTION

page

The Page register selects which page addresses 00−1F

(0−31) will access.

slf_tst_ena

(TESTING PURPOSES) Turns on the checksum LFSR

for receive and transmit.

rduz_sens_ena

When enabled, adds noise to the LSB’s to the ADC

inputs.

tst_sel_chan

(TESTING PURPOSES) In each slice, these bits control

which tst_out is sent to the transmit block. (which

duc/ddc in the slice)

tst_on

(TESTING PURPOSES) When asserted the testbus is

active, txout_c (17:0), and txout_d (17:0) form the 36-bit

test word output.

The following tristates are active low, 0 turns the output

on, 1 tristates it.

tristate_10

Reserved outputs for test, must be set to 1 (tristate)

tristate_9

This bit turns on the slice5 tx_sync, rx_sync, and rx

serial data outputs.

tristate_8

This bit turns on the slice4 tx_sync, rx_sync, and rx

serial data outputs.

tristate_7

This bit turns on the slice3 tx_sync, rx_sync, and rx

serial data outputs.

tristate_6

This bit turns on the slice2 tx_sync, rx_sync, and rx

serial data outputs.

tristate_5

This bit turns on the slice1 tx_sync, rx_sync, and rx

serial data outputs.

tristate_4

This bit turns on the slice0 tx_sync, rx_sync, rx serial

data, tx_sync_out, and rx_sync_out outputs.

tristate_3

This turns on the txout_d outputs.

tristate_2

This turns on the txout_c CLK_TST, IFLAG_TST, and

SYNC_TST outputs.

tristate_1

This turns on the txout_b outputs.

tristate_0

This turns on the txout_a, TX_IFLAG, and TXCLK_OUT

outputs.

tx_oneshot

When set a one shot pulse is sent to the transmit blocks

for syncing. This only works if the blocks are

programmed to see the oneshot. To use the oneshot

again, it must be programmed back to a ‘0’ and then

back to a ‘1’.

rx_oneshot

When set a one shot pulse is sent to the receive blocks

for syncing. This only works if the blocks are

programmed to see the oneshot. To use the oneshot

again, it must be programmed back to a ‘0’ and then

back to a ‘1’.

imask_comp_pmeter

Interrupt mask bits for the transmit composite power

meter

imask_tx_pmeter

Interrupt mask bits for the composite power meter

imask_rx_pmeter_msb

Interrupt mask bits for the receive composite power

meter− 4 MSBs

GC5316 Datasheet(PDF) 51 Page - Texas Instruments

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