YGV628B Datasheet, PDF (6/26 Pages) YAMAHA CORPORATION – AVDP7 Advanced Video Display Processor 7

YGV628B






■ Pin Table
Pins Name Numbers I/O
Functions
CUP Interface
D15-0
16
I/O CPU Data Bus
A23-1
23
I CPU Address Bus
CS_N
1
I Chip Select
RD_N
1
I READ Pulse Input
WRH_N
1
I WRITE Strobe Input/D15-8
WRL_N
1
I WRITE Strobe Input/D7-0
WAIT_N
1
O CPU Bus WAIT (3-State Output)
READY_N
1
O CPU Bus Ready (3-State Output)
INT_N
1
O Interrupt
DREQ_N
1
O Direct Memory Access
RESET_N
1
I Reset Input
Video Memory Interface
SDQ15-0
16
I/O Video Memory Data Bus
SA13-0
14
O Video Memory Address Bus
SCS_N
1
RAS_N
1
CAS_N
1
WE_N
1
UDQM
1
LDQM
1
SDCKOUT
1
O Video Memory Chip Enable
O Video Memory Low Address Strobe Output
O
Video Memory Column Address Strobe
Output
O Video Memory WRITE Enable
O Video Memory Data Mask Output/ SDQ15-8
O Video Memory Data Mask Output/ SDQ7-0
O Video Memory Clock Output
Monitor Interface
R,G,B
3
O Analog R, G, B, Signals Output
IREF
1
- DAC Reference Electric-current Input
DRI5-0
6
I Digital R Signal Input
DGI5-0
6
I Digital G Signal Input
DBI5-0
HSIN_N
VSIN_N
6
I Digital B Signal Input
1
I Horizontal Synchronized Signal Input
1
I Vertical Synchronized Signal Input
YS_N
1
O YS Signal Output
DRO5-0
6
O Digital R Signal Output
DGO5-0
6
O Digital G Signal Output
DBO5-0
6
VSYNC_N
1
CSYNC_N
1
BLANK_N
1
O Digital B Signal Output
O Vertical Synchronized Signal Output
O
Horizontal Synchronized Signal / Compound
Synchronized Signal Output
O Non-display Interval Output
GCK1OUT
1
O Dot Clock Output 1
GCK2OUT
1
O Dot Clock Output 2
5Tr : 5V supply Yes/No Yes Æ ○ / No Æ ×
DriveɿDriving Capability
Level 5Tr Drive
LVTTL ○ 4mA
LVTTL ○
LVTTL ○
LVTTL ○
LVTTL ○
LVTTL ○
LVTTL ○ 4mA
LVTTL ○ 4mA
LVTTL × 4mA
LVTTL × 4mA
LVCMOS ○
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
○ 4mA
× 4mA
× 4mA
× 4mA
× 4mA
× 4mA
× 4mA
× 4mA
× 8mA
Analog
Analog
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
LVTTL
×
×
○
○
○
○
○
× 4mA
× 4mA
× 4mA
× 4mA
× 4mA
× 4mA
× 4mA
× 4mA
× 4mA
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