Pioneer VSX-84TXSi Service Manual page 300

1
F2602E-01 (DIGITAL MOTHER ASSY : IC281)
• XM/DT IC
A
Pin Arrangement (Top view)
LSDP_TXRX 1
B
SC_TX_OUT 3
SC_RX_IN 5
COMMAND_SEL 7
RESET# 11
SLAVE_SEL
C
Block Diagram
D
TX+ / TX-
RX+ / RX-
TX_DIGL_OUT
RX_DIG_IN
TX_EN~
E
OSC_IN
OSC_OUT
SLAVE_SEL
F
254
1
2
VSS 2
VDD 4
VSS 6
VDD 8
IRQ# 9
VSS 10
12
2
2
COMM
COMM
ENGINE
I/F
OSC
TEST
RAM
2
3
36
HSDP_EN
35
VSS
34 HSDP_CLK
33 VDD
32
HSDP_DATA
31
VSS
30
TEST
29 VSS
28 OSC_IN
27
VDD
26
OSC_OUT
25 VSS
I2S_OCLK (Mstr only)
Inter-IC
I2S_LRCLK (M=o; S=i)
Sound
I2S_SCLK (M=o; S=i)
(I2S)
I2S_DATA (M=o; S=i)
High Spd
HSDP_EN (M=o; S=i)
HSDP_CLK (M=o; S=i)
Data Port
HSDP_DATA (M=o; S=i)
(HSDP)
Low Spd
LSDP_TXRX (M=o; S=i)
Data Port
(LSDP)
SAII_EN (M=i; S=o)
SAII_CLK (M=o; S=i)
SAII
SAII_DATA (M=o; S=i)
SC_RX_IN
Sys Ctrlr SC_TX_OUT
RESET~
(CBM)
ERR_IRQ~
Bus I/F
COMMAND_SEL
XMDTIC
VSX-74TXVi
3
4
4