OMAP-L137
SPRS563G – SEPTEMBER 2008 – REVISED JUNE 2014
www.ti.com
3
Device Overview
3.1
Device Characteristics
Table 3-1
provides an overview of the OMAP-L137 low power applications processor. The table shows
significant features of the device, including the capacity of on-chip RAM, peripherals, and the package
type with pin count.
Table 3-1. Characteristics of the OMAP-L137 Processor
HARDWARE FEATURES
OMAP-L137
EMIFB
16/32bit, up to 256MB SDRAM
Asynchronous (8/16-bit bus width) RAM, Flash, 16bit up to 128MB SDRAM, NOR,
EMIFA
NAND
Flash Card Interface
MMC and SD cards supported.
EDMA3
32 independent channels, 8 QDMA channels, 2 Transfer controllers
2 64-Bit General Purpose (each configurable as 2 separate 32-bit timers, 1 configurable
Timers
as Watch Dog)
UART
3 (one with RTS and CTS flow control)
SPI
2 (each with one hardware chip select)
I
2
C
2 (both Master/Slave)
Multichannel Audio
Peripherals
3 (each with transmit/receive, FIFO buffer, 16/12/4 serializers)
Serial Port [McASP]
Not all peripherals pins
10/100 Ethernet MAC
are
available
at
the
with Management Data
1 (RMII Interface)
same time (for more
I/O
detail, see the Device
Configurations section). eHRPWM
6 Single Edge, 6 Dual Edge Symmetric, or 3 Dual Edge Asymmetric Outputs
eCAP
3 32-bit capture inputs or 3 32-bit auxiliary PWM outputs
eQEP
2 32-bit QEP channels with 4 inputs/channel
UHPI
1 (16-bit multiplexed address/data)
USB 2.0 (USB0)
High-Speed OTG Controller with on-chip OTG PHY
USB 1.1 (USB1)
Full-Speed OHCI (as host) with on-chip PHY
General-Purpose
8 banks of 16-bit
Input/Output Port
LCD Controller
1
PRU Subsystem
2 Programmable PRU Cores
(PRUSS)
Size (Bytes)
488KB RAM
DSP
32KB L1 Program (L1P)/Cache (up to 32KB)
32KB L1 Data (L1D)/Cache (up to 32KB)
256KB Unified Mapped RAM/Cache (L2)
DSP Memories can be made accessible to ARM, EDMA3, and other peripherals.
On-Chip Memory
ARM
Organization
16KB I-Cache
16KB D-Cache
8KB RAM (Vector Table)
64KB ROM
ADDITIONAL SHARED MEMORY
128KB RAM
C674x CPU ID + CPU
Control Status Register
0x1400
Rev ID
(CSR.[31:16])
C674x Megamodule
Revision ID Register
0x0000
Revision
(MM_REVID[15:0])
0x0B7D F02F (Silicon Revision 1.0)
JTAG BSDL_ID
DEVIDR0 register
0x8B7D F02F (Silicon Revision 1.1)
0x9B7D F02F (Silicon Revisions 3.0, 2.1, and 2.0)
8
Device Overview
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