Yamaha RX-V1067 Service Manual page 86

RX-V1067/HTR-8063/RX-A1000
IC504: YTD-446CZ (VIDEO P.C.B.)
VNP2 (Video and network processor)
* No replacement part available. / サービス部品供給なし
Memory I/F
Memory
Controller0
Memory
Controller1
USB
SD Host
SD Host I/F 0
SD Host I/F 1
Pin Function
Port Name
No. Name
VNP2_N_
M25 nRESET
RST
T25 XI_S –
T24 XO_S –
AE24 XI_A –
AD24 XO_A –
T22 TEST0 TEST0
R23 TEST1 –
T23 TEST2 –
L23 nSCS3 N_SCS3
L24 nSCS2 N_SCS2
K23 nSCS1 N_SCS1
L24 nSCS0 N_SCS0
J23 nSLBE N_SLBE
J24 nSUBE N_SUBE
K25 nSWR N_SWE
J25 nSRD N_SRD
** SA[22:0] SRA[22:0]
** SD[15:0] SRD[15:0]
SDRAM_
B1 SCLK0
CLK0
SDRAM_
C1 SCKE0
CKE0
SDRAM_
D1 SCLK1
CLK1
SDRAM_
E1 SCKE1
CKE1
F1 nCS1 –
86
ARM926EJ-S
ARM9EJ-S
I-cache
16KB
I-TCM
JTAG
16KB
Encryption
Engine
Network Engine
802.3 802.3
MAC0 MAC1
Processing
Condition when
Condition
used
when not used
Terminal
Processing
Condi- Proce-
DIR
tion ssing
10kPD – – I
5MHz quartz
– – I
crystal unit
5MHz quartz
– – O
crystal unit
24.576MHz
crystal – – I
oscillator
OPEN – – O
10kPU – – I
GND at J – – I
GND at J – – I
– – O
– – O
– – O
– – O
– – O
– – O
– – O
– – O
– – O
10kPU – – B
– – O
– – O
– – O
– – O
– – O
Interrupt
Controller
MMU
Dual Timer0
D-cache
Dual Timer1
16KB
Watchdog
Timer
D-TCM
16KB
DMA
Audio Engine
Programmable
DSP
Audio I/F
Related Power Supply
OFF
Logic I/O Logic
L act System reset terminal
Clock System clock crystal oscillation terminal
Clock System clock crystal oscillation terminal
Clock Audio clock crystal oscillation terminal
Clock
H act System reset terminal
H act
H act
BUS Chip select 3
BUS Chip select 2
BUS Chip select 1 FLASH_N_CS
BUS Chip select 0
BUS Lower byte enable
BUS Upper byte enable
BUS Write enable
BUS Read enable
BUS External I/O address bus
BUS External I/O data bus
Clock SDRAM clock enable
H act SDRAM clock enable
Clock SDRAM clock enable
H act SDRAM clock enable
BUS SDRAM chip select 1
GPIO
SPI
UART0
UART1
UART2
I2C
Power Manager
Clock Gen.
PLL
Reset Control
Detail of Function