Device Identification Code Register; Die Identification Registers - Texas Instruments TMS570LS0 32 Series Manual

TMS570LS0432, TMS570LS0332
SPNS186B – OCTOBER 2012 – REVISED JUNE 2015
8.8

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
register value for this device is:
• Rev 0 = 0x8048AD05
• Rev A = 0x8048AD0D
• Rev B = 0x8048AD15
31 30 29 28
CP-15
R-1
15 14 13 12
I/O
TECH VOLT
AGE
R-101 R-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
BIT FIELD
31 CP15
30-17 UNIQUE ID
16-13 TECH
12 I/O VOLTAGE
11 PERIPHERAL
PARITY
10-9 FLASH ECC
8 RAM ECC
7-3 REVISION
2-0 FAMILY ID
8.9

Die Identification Registers

The two die ID registers at addresses 0xFFFFFF7C and 0xFFFFFF80 form a 64-bit die id with the
information as shown in
ITEM
X Coord. on Wafer
Y Coord. on Wafer
Wafer #
Lot #
Reserved
100 Device and Documentation Support
Figure 8-2. Device ID Bit Allocation Register
27 26 25
R-00000000100100
11 10 9
PERIPH RAM
FLASH ECC
PARITY
R-1 R-10
Table 8-2. Device ID Bit Allocation Register Field Descriptions
VALUE
Indicates the presence of coprocessor 15
1 CP15 present
100100
Silicon version (revision) bits.
This bit field holds a unique number for a dedicated device configuration (die).
Process technology on which the device is manufactured.
0101 F021
I/O voltage of the device.
0 I/O are 3.3v
Peripheral Parity
1 Parity on peripheral memories
Flash ECC
10 Program memory with ECC
Indicates if RAM memory ECC is present.
1 ECC implemented
0 Revision of the Device.
101 The platform family ID is always 0b101
Table 8-3.
Table 8-3. Die-ID Registers
NO. OF BITS
Submit Documentation Feedback
Product Folder Links:
Table
24 23 22 21
UNIQUE ID
8 7 6 5
VERSION
ECC
R-1 R-00001
DESCRIPTION
12
12
8
24
8
Copyright © 2012–2015, Texas Instruments Incorporated
TMS570LS0432 TMS570LS0332
8-2. The device identification code
20 19 18 17
4 3 2 1
1 0
R-1 R-0
BIT LOCATION
0xFFFFFF7C[11:0]
0xFFFFFF7C[23:12]
0xFFFFFF7C[31:24]
0xFFFFFF80[23:0]
0xFFFFFF80[31:24]
www.ti.com
16
TECH
R-0
0
1
R-1