Table 20–470, Nxp semiconductors – NXP Semiconductors LPC24XX UM10237 User Manual
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UM10237_4
© NXP B.V. 2009. All rights reserved.
User manual
Rev. 04 — 26 August 2009
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NXP Semiconductors
UM10237
Chapter 20: LPC24XX SSP interface SSP0/1
[1]
Reset Value reflects the data stored in used bits only. It does not include reserved bits content.
6.1 SSPn Control Register 0 (SSP0CR0 - 0xE006 8000, SSP1CR0 - 0xE003
0000)
This register controls the basic operation of the SSP controller.
Table 470. SSP Register Map
Generic Name
Description
Access
Reset
Value
SSPn Register
Name & Address
CR0
Control Register 0. Selects the serial clock rate, bus
type, and data size.
R/W
0
SSP0CR0 - 0xE006 8000
SSP1CR0 - 0xE003 0000
CR1
Control Register 1. Selects master/slave and other
modes.
R/W
0
SSP0CR1 - 0xE006 8004
SSP1CR1 - 0xE003 0004
DR
Data Register. Writes fill the transmit FIFO, and
reads empty the receive FIFO.
R/W
0
SSP0DR - 0xE006 8008
SSP1DR - 0xE003 0008
SR
Status Register
RO
SSP0SR - 0xE006 800C
SSP1SR - 0xE003 000C
CPSR
Clock Prescale Register
R/W
0
SSP0CPSR - 0xE006 8010
SSP1CPSR - 0xE003 0010
IMSC
Interrupt Mask Set and Clear Register
R/W
0
SSP0IMSC - 0xE006 8014
SSP1IMSC - 0xE003 0014
RIS
Raw Interrupt Status Register
R/W
SSP0RIS - 0xE006 8018
SSP1RIS - 0xE003 0018
MIS
Masked Interrupt Status Register
R/W
0
SSP0MIS - 0xE006 801C
SSP1MIS - 0xE003 001C
ICR
SSPICR Interrupt Clear Register
R/W
NA
SSP0ICR - 0xE006 8020
SSP1ICR - 0xE003 0020
DMACR
DMA Control Register
R/W
0
SSP0DMACR - 0xE006 8024
SSP1DMACR - 0xE003 0024