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RM48L940 Datasheet, PDF (7/152 Pages) Texas Instruments – RM48Lx40 16/32-Bit RISC Flash Microcontroller
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RM48L940
RM48L740
RM48L540
SPNS175 – SEPTEMBER 2011
1.1 Device Configuration
1.1.1 Device and Development-Support Tool Nomenclature
The figure below illustrates the numbering and symbol nomenclature for the RM48Lx40 .
x RM 4 8 L 9 4 0 ZWT T R
Prefix:
x = Not Qualified
Removed when qualified
RM = Real Time Microcontroller
CPU:
4 = ARM Cortex-R4
Series Number
Shipping Options:
R = Tape and Reel
Temperature Range:
T = -40...+105oC
Package Type:
PGE = 144 Pin Package
ZWT = 337 BGA Package
Architecture:
L = Lockstep
Reserved
Flash / RAM Size:
9 = 3MB flash, 256kB RAM
7 = 2MB flash, 256kB RAM
5 = 2MB flash, 192kB RAM
Network Interfaces:
4 = Ethernet Only
Figure 1-1. RM48x Device Numbering Conventions
1.1.2 Orderable Part Numbers
Table 1-1. Orderable Part Numbers
Orderable Part #
Part #
RM48L540PGET
RM48L540
RM48L540ZWTT
RM48L540
RM48L740PGET
RM48L740
RM48L740ZWTT
RM48L740
RM48L940PGET
RM48L940
RM48L940ZWTT
RM48L940
(1) 10/100
(2) 2 host ports, or 1 host port + 1 device port
Flash
2MB
2MB
2MB
2MB
3MB
3MB
RAM
192kB
192kB
256kB
256kB
256kB
256kB
EMAC (1)
Yes
Yes
Yes
Yes
Yes
Yes
USB (2)
-
-
-
-
-
-
1.1.3 Device Identification
1.1.3.1 Device Identification Code Register
The device identification code register identifies several aspects of the device including the silicon version.
The details of the device identification code register are shown in Table 1-2. The device identification code
register value for this device is:
• Rev 0 = 0x802AAD05
Copyright © 2011, Texas Instruments Incorporated
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