Yamaha RX-Z11 Service Manual page 99

IC743: MB87L8760 (NPGA1, DSP P.C.B.)
Gate array LSI
Function Name
No. Port Name
1 VDD
2 VSS
3 PIO[0] DSP_N_INT
4 PIO[1] PHY_N_INT
5 PIO[2] DIR_N_INT
6 PIO[3] SPD_ISEL0
7 PIO[4] SPD_ISEL1
8 PWM[0] N_FMUTE2
9 VSS
10 VDD
11 SCL0 NPGA_SCL0
12 SDA0 NPGA_SDA0
13 PIO[16] FL1_N_CS
14 PIO[17] FL2_N_CS
15 PIO[18] DIR_N_CS
16 PIO[19] DSP1_N_CS
17 PIO[20] DSP2_N_CS
18 VDD
19 VSS
20 PIO[21] DSP3_N_CS
21 PIO[22] DSP4_N_CS
22 PIO[23] SPI_RDY1
23 PWM[1]
24 PIO[5] SPD_ISEL2
25 SCL1 NPGA_SCL1
26 SDA1 NPGA_SDA1
27 SCL2 EPR_SCL
28 SDA2 EPR_SDA
29 VDD
30 VSS
31 PIO[6] SPD_RSEL0
32 SCK0 DSP14_SCK
33 SO0 DSP14_MOSI
34 SI0 DSP14_MISO
35 PIO[7] SPD_RSEL1
36 PIO[8] SPD_RSEL2
37 VDD
38 VSS
39 PIO[24] SPI_RDY2
40 SCK1 DSP23_SCK
41 SO1 DSP23_MOSI
42 SI1 DSP23_MISO
43 SCK2 AEX_SCK
44 SO2 AEX_MOSI
45 VSS
I/O
(P.C.B.)
MCU
MCU
IRQ Interrupt from initial stage of TI (DA70Y)
IRQ Interrupt from ether NET PHY (Reserve)
IRQ Interrupt input from DIR
O SPDIF input selector control 0
O SPDIF input selector control 1
O Emergency full mute control for 5.1ch (Reserve)
MCU
MCU
SO I2C for iPod certification chip access (Reserve)
SIO I2C for iPod certification chip access (Reserve)
O FL chip select 2
O FL chip select 1
O DIR chip select
O DSP DA70Y chip select #0
O DSP DA70Y chip select #1
MCU
MCU
O DSP DA70Y chip select #2
O DSP DA70Y chip select #3
I DSP serial ready #0
– O
O SPDIF input selector control 2
SO I2C reserve
SIO I2C reserve
SO I2C for EEPROM access
SIO I2C for EEPROM access
MCU
MCU
O SPDIF RECOUT selector control 0
SO Serial clock output for DIR control
SO Serial clock output for DSP #1 #4 boot/control / DSP boot mode setting (when
reset: H=SPI0)
SO Serial data output for DIR control
SO Serial data output for DSP #1 #4 boot/control / DSP boot mode setting (when
reset: H=SPI0)
SI Serial clock output for DIR control
SI Serial data input for DSP #1 #4 boot/control / DSP boot mode setting (when
reset: L=SPI0)
O SPDIF RECOUT selector control 1
O SPDIF RECOUT selector control 2
MCU
MCU
I DSP serial ready #1
SO Serial clock output for DA70Y #2 #3 boot/control / DSP boot mode setting
(when reset: H=SPI0)
SO Serial data output for DA70Y #2 #3 boot/control / DSP boot mode setting
(when reset: H=SPI0)
SI Serial data input for DA70Y #2 #3 boot/control / DSP boot mode setting (when
reset: L=SPI0)
SO Serial clock for FL driver control
SO Serial clock for OSD control
SO Serial clock for audio expansion port (LC709004A) control
SO Serial clock for video expansion port (LC709004A) control
SO Serial data for FL driver control
SO Serial data for OSD control
SO Serial data for audio expansion port (LC709004A) control
SO Serial data for video expansion port (LC709004A) control
MCU
RX-Z11/DSP-Z11
Detail of Function
99