CS98000 Cirrus Logic, Inc., CS98000 Datasheet - Page 40
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CS98000
Manufacturer Part Number
CS98000
Description
DVD Video Processor
Manufacturer
Cirrus Logic, Inc.
Datasheet
1.CS98000.pdf
(48 pages)
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Quantity
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87, 83, 79, 76,
74, 71, 68, 64,
67, 70, 72, 75,
78, 80, 86, 88,
60, 56, 54, 49,
46, 44, 40, 33,
37, 42, 45, 48,
51, 55, 59. 62
2, 3, 5, 6, 7, 9,
10, 11, 13, 14,
15, 16
19
22
21
23
24
25
27
32, 31, 29, 28
6.2
These pins are used for used for basic functions
such as clock and reset input. See
I
(8-bit slave address is 0x30 for write, and 0x31 for
read).
40
186
187
201
202
205
206
2
C pins are used for both master and slave mode
Pin
Pin
Miscellaneous Interface Pins
Signal Name
M_DQM[3..0]
Signal Name
M_D[31..0]
M_A[11..0]
M_RAS_N
M_CAS_N
MFG_TEST
XTLCLOCK
M_WE_N
M_BS_N
RESET_N
M_CKO
M_CKE
M_AP
IR_IN
SDA
SCL
Table 17. Miscellaneous Interface Pins
Table
Type
Table 18. SDRAM Interface
Type
O
O
O
O
O
O
O
O
O
B
B
B
I
I
I
I
17. The
Memory Data Bus. CS98000 can use all 32 bits or can use
Bank Selection. Always connect to RAM BS or BS0 pin.
Memory Row Address Strobe
only M_D[15..0], in which case M_D[31..16] can be left un-con-
nected.
Memory Address Bus. Connect in order starting with M_A[0] to
all RAM address pins not already connected to M_BS_L or
M_AP. Unused upper M_A pins unconnected.
Memory Clock
Memory Clock Enable
Memory Auto Pre-charge. Always connect to RAM AP pin.
Memory Column Address Strobe
Memory Write Enable
IO Mask of Data Bus M_DQM[3] -> M_D[31:24]
I
I
Infrared Input, from IR receiver.
27 MHz Clock Input.
Reset Input, active low.
Manufacturing test pin, should always connect to ground.
2
2
C Clock
C Data
6.3
These pins are used to interface the CS98000 with
some external SDRAM. The CS98000 can inter-
face with SDRAM of various sizes. Both 16 and
32-bit data width is supported, but best perfor-
mance is achieved with 32 bits. Follow the instruc-
tions in
particular configuration of SDRAM.
SDRAM Interface
Table 18
Description
Description
on how to interface with any
CS98000