SM5904BF Nippon Precision Circuits Inc, SM5904BF Datasheet - Page 34

• Manufacturer Part Number: SM5904BF
• Description: compression and non compression type shock-proof memory controller
• Manufacturer: Nippon Precision Circuits Inc

Connection example
note1
note 2 When CXD 2517 (Sony) is used
When 2 DRAMs are used, the DRAM OE pins should be tied LOW.
Set 85H of microcontroller command (option setting) as setting YFLAG take in;
D5: YFLAGS= 1
D4: YFCKP= 0
MN662740
Matsushita
CXD2517
controller
controller
converter
Micro-
Micro-
SONY
DSP
DSP
D/A
YMDATA
YSRDATA
YSRDATA
YMDATA
YBLKCK
ZSRDATA
YMCLK
ZSENSE
YMCLK
ZSENSE
YDMUTE
YDMUTE
YLRCK
ZLRCK
YLRCK
YFCLK
YFLAG
YMLD
YMLD
ZSCK
SCOR
XROF
YSCK
YSCK
NRESET
NRESET
CLK
CLK
YBLKCK
YFLAG
YFCLK
SM5904
SM5904
SM5904BF
UC1 to UC4
UC1 to UC4
NCAS2
ZSRDATA
NCAS2
D0 to D3
D0 to D3
DIT
DIT
A0 to A9
A0 to A9
ZLRCK
ZSCK
NRAS
NRAS
NWE
NWE
D
RAS
RAS
A0 to A9
A0 to A9
WE
D0 to D3
CAS
WE
D0 to D3
CAS
NIPPON PRECISION CIRCUITS-34
DRAM 2
DRAM 2
A
OE
OE