hb286075a1 HITACHI, hb286075a1 Datasheet - Page 4

• Manufacturer Part Number: hb286075a1
• Description: Mega Byte Flash Card
• Manufacturer: HITACHI

HB286075A1, HB286060A1, HB286045A1, HB286030A1, HB286015A1
Pin NO.
21
22
23
24
25
26
27
28
29
30
31
32
33
34
Card Pin Explanation
Address bus (A0 to A10: input): Address bus is A0 to A10. A0 is invalid in word mode. A10 is MSB and
A0 is LSB.
Data bus (D0 to D15: input/output): Data bus is D0 to D15. D0 is the LSB of the Even Byte of the Word.
D8 is the LSB of the Odd Byte of the Word.
Card enable (-CE1, -CE2: input): -CE1 and -CE2 are low active card select signals. Even addresses are
controlled by -CE1 and odd addresses are by -CE2.
Output enable (-OE: input): -OE is used for the control of data read in Attribute area or Common memory
Task File area.
Write enable (-WE: input): -WE is used for the control of data write in Attribute memory area or Common
memory Task File area.
I/O read (-IORD: input): -IORD is used for control of read data in I/O Task File area. This card dose not
respond to -IORD until I/O card interface setting up.
I/O write (-IOWR: input): -IOWR is used for control of data write in I/O Task File area. This card dose
not respond to -IOWR until I/O card interface setting up.
4
Memory card mode I/O card mode
Signal name I/O
—
A7
A6
A5
A4
A3
A2
A1
A0
D0
D1
D2
+WP
GND
—
I
I
I
I
I
I
I
I
I/O
I/O
I/O
O
—
Signal name I/O
—
A7
A6
A5
A4
A3
A2
A1
A0
D0
D1
D2
-IOIS16
GND
—
I
I
I
I
I
I
I
I
I/O
I/O
I/O
O
—
Pin NO.
55
56
57
58
59
60
61
62
63
64
65
66
67
68
Memory card mode I/O card mode
Signal name I/O
—
—
VS2
+RESET
-WAIT
RFU
-REG
BVD2
BVD1
D8
D9
D10
-CD2
GND
—
—
O
I
O
—
I
O
O
I/O
I/O
I/O
O
—
Signal name I/O
—
—
VS2
+RESET
-WAIT
-INPACK
-REG
-SPKR
-STSCHG
D8
D9
D10
-CD2
GND
—
—
O
I
O
O
I
O
O
I/O
I/O
I/O
O
—