NG80960JS25 datasheet(59/86 Pages) INTEL

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80960JA/JF/JD/JS/JC/JT 3.3 V Embedded 32-Bit Microprocessor

Datasheet

5.0

Device Identification

80960Jx processors may be identified electrically, according to device type and stepping (see

Figure 39, and Table 25 through Table 30). Table 24 identifies the device type and stepping

for all 5 V, 80960Jx processors. Figure 39, and Table 25 through Table 30 identify all 3.3 V

to 5 V-tolerant 80960Jx processors. The device ID was enhanced to differentiate between 3.3 V and

5 V supply voltages, and between non-clock-doubled and clock-doubled cores when stepping from

the A2 stepping to the C0 stepping. The 32-bit identifier is accessible in several ways:

• Upon reset, the identifier is placed into the g0 register.

• The identifier may be accessed from supervisor mode at any time by reading the DEVICEID

• The IEEE Standard 1149.1 Test Access Port may select the DEVICE ID register through the

IDCODE instruction.

• The device and stepping letter is also printed on the top side of the product package.

Table 24. 80960Jx Device Type and Stepping Reference

Device and

Stepping

Version

Number

Part Number

Manufacturer

Complete ID

(Hex)

80960JT A0, A1

0000

0000 1000 0010 1011

0000 0001 001

0082B013

80960JC A1

0011

0000 1000 0011 0011

0000 0001 001

30833013

80960JS A1

0011

0000 1000 0010 0011

0000 0001 001

30823013

80960JD C0

0011

0000 1000 0011 0000

0000 0001 001

30830013

80960JF C0

0011

0000 1000 0010 0000

0000 0001 001

30820013

80960JA C0

0011

0000 1000 0010 0001

0000 0001 001

30821013

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