Yamaha DVD-S510, Руководство по обслуживанию, Страница: 36 / 78

DVD-S510/DV-S5350
35
SAA7335
DSP for CD and DVD-ROM system
Pin description
SYMBOL PIN TYPE DESCRIPTION
VSSA1 1 supply analog ground 1
Iref 2 I analog current reference input for ADC
REFLo 3 I analog low reference input for ADC
REFHi 4 I analog high reference input for ADC
VREF 5 I analog negative input
HFIN 6 I analog positive input
VSSA2 7 supply analog ground 2
AGCOUT 8 O analog test pin output
VDDA2 9 supply analog supply voltage 2
VDDD1 10 supply digital supply voltage 1
VSSD1 11 supply digital ground 1
OTD 12 I off track detect input
MOTO1 13 O 3-state motor control output
n.c. 14 – not connected, reserved
MOTO2/T3 15 I/O motor control output/tachometer 3 input
n.c. 16 – not connected, reserved
T1 17 I tachometer 1 input
T2 18 I tachometer 2 input
VDDD2 19 supply digital supply voltage 2
VSSD2 20 supply digital ground 2
TEST1 21 I test input 1
TEST2 22 I test input 2
POR 23 I power-on reset input
MUXSWICH 24 I use clock multiplier input
n.c. 25 – not connected, reserved
CL1 26 O divided clock output
BCAIN 27 I BCA input
SDA 28 I/O sub-CPU I 2 C-bus serial data input/output
SCL 29 I sub-CPU I 2 C-bus serial clock input
INT 30 O sub-CPU interrupt output (open-drain)
VDDD3 31 supply digital supply voltage 3
VSSD3 32 supply digital ground 3
da7 33 I/O sub-CPU data bus bit 7 input/output (parallel)
da6 34 I/O sub-CPU data bus bit 6 input/output (parallel)
da5 35 I/O sub-CPU data bus bit 5 input/output (parallel)
n.c. 36 – not connected, reserved
da4 37 I/O sub-CPU data bus bit 4 input/output (parallel)
n.c. 38 – not connected, reserved
da3 39 I/O sub-CPU data bus bit 3 input/output (parallel)
da2 40 I/O sub-CPU data bus bit 2 input/output (parallel)
da1 41 I/O sub-CPU data bus bit 1 input/output (parallel)
n.c. 42 – not connected, reserved
da0 43 I/O sub-CPU data bus bit 0 input/output (parallel)
VDDD4 44 supply digital supply voltage 4
VSSD4 45 supply digital ground 4
WRi 46 I sub-CPU write enable input (active LOW)
RDi 47 I sub-CPU read enable input (active LOW)
ALE 48 I sub-CPU address latch enable input
CSi 49 I sub-CPU chip select input (active HIGH)
STOPCLOCK 50 O stop clock output