LPC3130 Philips Semiconductors (Acquired by NXP), LPC3130 Datasheet - Page 32

• Manufacturer Part Number: LPC3130
• Manufacturer: Philips Semiconductors (Acquired by NXP)

NXP Semiconductors
LPC3130_3131_0
Preliminary data sheet
Fig 10. Diagram of LCD and MPMC multiplexing
EBI_NCAS_BLOUT_0
EBI_NRAS_BLOUT_1
EBI_DQM_0_NOE
NAND_NCS_[0:3]
NAND_RYBN[0:3]
6.26.2 Multiplexing between LCD and MPMC
The multiplexing between the LCD interface and MPMC allows for the following two
modes of operation:
The external NAND flash is accessible in both modes.
The block diagram
are involved in the pin interface multiplexing between the EBI, NAND flash controller,
MPMC, and RAM-based LCD interface.
Figure 10
signals are visible.
control
control
control
•
•
3
MPMC-mode: SDRAM and bus-based LCD or SRAM.
LCD-mode: Dedicated LCD-Interface.
INTERFACE
FLASH
MPMC
NAND
LCD
only shows the signals that are involved in pad-muxing, so not all interface
control
(ALE, CLE)
control
data
data
address
Figure 10
data DB[15:2]
data DB[1:0],
control
Rev. 0.08 — 25 September 2008
16
16
16
gives a high level overview of the modules in the chip that
14
6
6
2
EBI
address
EBI_A[1:0]
data
address
EBI_A[15:2]
SYSCREG_MUX_LCD_EBI_SEL
16
14
2
(I/O multplexing)
register
1
0
1
0
LPC31xx
SUP4
SUP8
14
2
6
LPC3130/3131
EBI_A_0_ALE
EBI_A_1_CLE
EBI_D15:0]
LCD_DB[15:2] (LCD mode)/
EBI_A[15:2] (MPMC mode)
LCD_CSB/EBI_NSTCS_0
LCD_DB1/EBI_NSTCS_1
LCD_DB0/EBI_CLKOUT
LCD_E_RD/EBI_CKE
LCD_RS/EBI_NDYCS
LCD_RW_WR/EBI_DQM_1
mode
LCD
© NXP B.V. 2008. All rights reserved.
MPMC
mode
002aae157
32 of 60