OM11014 NXP Semiconductors, OM11014 Datasheet - Page 19

• Manufacturer Part Number: OM11014
• Description: BOARD EVAL FOR LPC2919
• Manufacturer: NXP Semiconductors
• Series: Keilr
• Type: MCUr

Specifications of OM11014

• Contents: Board, Cable, CD
• For Use With/related Products: LPC2919
• Lead Free Status / RoHS Status: Not applicable / Not applicable
• Other names: 568-4360

NXP Semiconductors
LPC2917_19_1
Product data sheet
8.2.3 External static-memory controller pin description
8.2.4 External static-memory controller clock description
8.2.5 External memory timing diagrams
The external static-memory controller module in the LPC2917/19 has the following pins,
which are combined with other functions on the port pins of the LPC2917/19.
shows the external memory controller pins.
Table 12.
The External Static-Memory Controller is clocked by CLK_SYS_SMC, see
A timing diagram for reading from external memory is shown in
between the wait-state settings is indicated with arrows.
A timing diagram for writing to external memory is shown In
between wait-state settings is indicated with arrows.
Symbol
EXTBUS CSx
EXTBUS BLSy
EXTBUS WE_N
EXTBUS OE_N
EXTBUS A[23:0] OUT
EXTBUS D[31:0] IN/OUT
Fig 4.
WSTOEN = 3, WST1 = 7
Reading from external memory
External memory controller pins
CLK(SYS)
Direction
OUT
OUT
OUT
OUT
ADDR
OE_N
DATA
CS
Rev. 01 — 31 July 2008
Description
memory-bank x select, x runs from 0 to 7
byte-lane select input y, y runs from 0 to 3
write enable (active LOW)
output enable (active LOW)
address bus
data bus
WSTOEN
ARM9 microcontroller with CAN and LIN
WST1
Figure
Figure
LPC2917/19
002aad936
5. The relationship
4. The relationship
© NXP B.V. 2008. All rights reserved.
Section
Table 12
19 of 67
7.2.2.