CS98000-CQ Cirrus Logic, Inc., CS98000-CQ Datasheet - Page 32

• Manufacturer Part Number: CS98000-CQ
• Description: Internet DVD (iDVD) Chip Solution
• Manufacturer: Cirrus Logic, Inc.

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
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
74, 71, 68, 64,
67, 70, 72, 75,
78, 80, 86, 88
83
87
60
62
32
Pin
Pin
Signal Name
M_DQM[3..0]
Signal Name
NVM_WE_L
M_D[27..16]
NVM_OE_L
M_D[31..0]
M_A[11..0]
M_D[15..0]
M_A[11..0]
M_RAS_L
M_CAS_L
M_WE_L
M_BS_L
M_D[30]
M_D[31]
M_CKO
M_CKE
M_AP
Table 9. ROM/NVRAM Interface
Type
Type
Table 8. SDRAM Interface
B
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
B
Memory Data Bus. CS98000 can use all 32 bits or can use
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
Bank Selection. Always connect to RAM BS or BS0 pin.
Memory Auto Pre-charge. Always connect to RAM AP pin.
Memory Row Address Strobe
Memory Column Address Strobe
Memory Write Enable
IO Mask of Data Bus M_DQM[3] -> M_D[31:24]
Memory Data Bus. Use M_D[7:0] for 8-bit interface
Memory Address Bus[11..0]
Memory Address Bus[23..12]
16-bit data mode, M_D[26:16] is upper word address.
For 8-bit data mode, M_D[27:16] is upper byte address.
Address decode low. Copy of address MSB.
Address decode high. Compliment of address MSB.
NVRAM Write Enable.
ROM/NVRAM Output Enable.
Description
Description
CS98000
DS525PP1
For