Data Sheet
INDT/R165B
INDT/R330B
2.4 Error Handling and Reset (INDR330 only)
The receiver provides an error detection signal (ERROR-pin) indicating incorrect video timing recovery. The below circuitry
ensures the retry of the timing recovery process when an error occurs.
74LVX08
RESET_EXT_N
RESET_N
RESET#
R
1DQ
INDR330B
C Qn
74LVX74
ERR ERROR
Figure 2.3: Auto-Reset Circuitry
RESET_N <= RESET_EXT_N AND Qn;
p_dff: PROCESS (RESET_N, ERR)
BEGIN
IF (RESET_N = ’0’) THEN
Qn <= ’1’;
ELSIF (ERR’EVENT AND ERR = ’1’) THEN
Qn <= ’0’;
END IF;
END PROCESS p_dff;
Figure 2.4: VHDL Code For Auto-Reset Circuitry
Date: 2005-02-18 Revision: 1.1
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