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WM8232 Datasheet(PDF) 36 Page - Cirrus Logic |
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WM8232 Datasheet(HTML) 36 Page - Cirrus Logic |
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36 / 141 page ![]() WM8232 36 Rev 4.6 Test Conditions AVDD = LDOVDD = DBVDD = 3.3V, AGND = LDOGND = DBGND= 0V, TA = 25C, MCLK= 35MHz unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNITS TGSYNC Setup time (only for slave mode) tSCKSY tPER / 4 tPER / 2 3 * tPER / 4 ns Pixel counter start timing (only for slave mode) tCOUNTD 2 clock TGSYNC high period (only for slave mode) tSYH 1 clock TGSYNC low period (only for slave mode) tSYL 1 clock Data trigger timing delay tTRIGD LVDS 10-bit 5pair mode 22 clock LVDS 10-bit 3pair mode CMOS 10-bit output mode 20 clock Other output mode 21 clock TG pulse output timing delay tPCKD 2 clock Note: 1clock = tPER (MCLK cycle period) REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION R160 (A0h) 7:4 OFFSET[3:0] 0000 offset count (only for slave mode) 2 POLSYNC 0 polarity of Sync signal 0 = positive edge, 1 = negative edge 1 TGMD 0 TG operation mode 0 = slave, 1 = master 0 TG_EN 0 TG enable 0 = disable, 1 = enable R161 (A1h) 7:0 LLENGTH[7:0] 0000_0000 the number of pixels in 1line (only for master mode) R162 (A2h) 6:0 LLENGTH[6:0] 000_0000 the number of pixels in 1line (only for master mode) TG PULSE AND TRIGGER DATA C_CK1 C_CK2 VSMP TGCK pixcnt High@TP1 TP1 TP2 TP1 TP2 TP4 Low@TP2 High@TP4 TP4 TP6 TP5 Low@TP5 TP3 High@TP3 TP3 TP3 Low@TP3 High@TP4 TP4 TP6 Low@TP6 TP5 FLUGPIX DataTrig (FLUGPIX is selected ) Datatrig_out (FLUGPIX is selected ) DataTrig (P_CK1 is Selectd ) DataTrig (P_CK1 is Selectd ) P_CK1 (Selected from P0-P7) tTRIGD tTRIGD tTRIGD TP3 P_CK2 (Selected from P0-P7) P_CK3 (Selected from P0-P7) Figure 24 TG Pulse Toggle Setting and Data Trigger Timing |
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