LSI53C040-160QFP LSI, LSI53C040-160QFP Datasheet - Page 62

• Manufacturer Part Number: LSI53C040-160QFP
• Manufacturer: LSI

Specifications of LSI53C040-160QFP

• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Supplier Unconfirmed

Table 3.5
3-10
Name
PSEN/
WR/
RD/
ALE
SCL0
SCL1
SDA0
SDA1
MPIO0_
[7:0]
MPIO1_
[7:0]
MPIO2_
[7:0]
32, 31, 30,
29, 28, 27,
52, 51, 49,
48, 47, 46,
73, 72, 70,
69, 67, 66,
Number
26, 25
45, 44
64, 63
Miscellaneous Signals (Cont.)
158
160
149
150
Pin
10
11
22
23
Signal Descriptions
BGA Ball
N10, H8,
Number
M9, N9,
K1, H6,
K6, N5,
M5, L5,
N4, K5,
J1, H5,
H4, H3
K8, L8,
M4, L4
M8, J7
J3, J2,
G5
H2
E2
B3
A2
E1
A5
B5
Description
Active LOW microcontroller
Program Space Enable
output.
Active LOW microcontroller
write output.
Active LOW microcontroller
read output.
Address latch enable for
microcontroller bus.
Two-Wire Serial Port 0 Clock
Two-Wire Serial Port 1 Clock
Two-Wire Serial Port 0 Data
Two-Wire Serial Port 1 Data
Multipurpose I/O bank 0
Multipurpose I/O bank 1
Multipurpose I/O bank 2
Pad Type
4 mA, 5 V tolerant
TTL bidirectional
4 mA, 5 V tolerant
TTL bidirectional
4 mA, 5 V tolerant
TTL bidirectional
4 mA, 5 V tolerant
TTL bidirectional
2 mA, 5 V tolerant
TTL Schmitt open
drain bidirectional
2 mA, 5 V tolerant
TTL Schmitt open
drain bidirectional
4 mA, 5 V tolerant
TTL bidirectional
4 mA, 5 V tolerant
TTL bidirectional
4 mA, 5 V tolerant
TTL bidirectional
Internal
Resistor
None
None
None
None
None
(external
pull-up
required)
None
(external
pull-up
required)
25 A
pull-
down
25 A
pull-
down
25 A
pull-
down