MD4331-d1G-MECH M-Systems Inc., MD4331-d1G-MECH Datasheet - Page 24

• Manufacturer Part Number: MD4331-d1G-MECH
• Description: Mobile Diskonchip G3 Data Sheet
• Manufacturer: M-Systems Inc.

2.4.3
Mobile DiskOnChip G3 512Mb TSOP-I and 7x10 FBGA packages support identical signals in the
multiplexed interface. The related pin/ball designations are listed in the signal descriptions,
presented in logic groups, in Table 4 and Table 5.
TSOP-I Package
21
AD[15:0]
CE#
WE#
OE#
AVD#
ID0
LOCK#
BUSY#
RSTIN#
CLK
DMARQ#
IRQ#
DPD
Table 4: Signal Descriptions for Multiplexed Interface (Mobile DiskOnChip G3 512Mb TSOP-I Package)
Signal
Signal Description
28-35, 39-46
Pin No.
26
24
23
27
38
21
47
19
2
3
4
1
Input
Type
OD Busy, active low, open drain. Indicates that DiskOnChip is
OD DMA Request, active low. A 10 KΩ pull-up resistor is required
OD Interrupt Request, active low. A 10 KΩ pull-up resistor is
ST Multiplexed bus. Address and data signals.
ST Chip Enable, active low.
ST Write Enable, active low.
ST Output Enable, active low.
ST Set multiplexed interface.
ST Identification. Configuration control to support up to two chips
ST Lock, active low. When active, provides full hardware data
ST Reset, active low.
ST System Clock.
ST Deep Power-Down. Used to enter and exit Deep Power-Down
cascaded in the same memory window.
Chip 1 = ID0 = VSS; must be used for single-chip
Chip 2 = ID0 = VCCQ
protection of selected partitions.
initializing and should not be accessed.
A 10 KΩ pull-up resistor is required if this pin drives an input.
A 10 KΩ pull-up resistor is recommended even if this pin is
not used.
if this pin drives an input. A 10 KΩ pull-up resistor is
recommended even if this pin is not used.
required if this pin drives an input. A 10 KΩ pull-up resistor is
recommended even if this pin is not used.
mode. Multiplexed with A0 when working in 16-bit mode.
Data Sheet, Rev. 1.0
System Interface
Configuration
configuration
Control
Description
Mobile DiskOnChip G3
91-SR-011-05-8L
Signal
Output
Output
Output
Input/
Type
Input
Input
Input
Input
Input
Input
Input
Input
Input