80960JD datasheet(74/78 Pages) INTEL

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80960JA/JF/JD/JT 3.3 V Microprocessor

Advance Information Datasheet

6.0

Device Identification

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

Figure 46, and Table 31 through Table 36). Table 30 identifies the device type and stepping for all

5V, 80960Jx processors. Figure 46, and Table 31 through Table 36 identify all 3.3V-5V-tolerant

80960Jx processors. The device ID was enhanced to differentiate between 3.3V and 5V 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 three 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 30.

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

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

Figure 46.

80960JT Device Identification Register

Manufacturer ID

Part Number

Version

Model

Gen

Product

Type

VCC

80960JD Datasheet(PDF) 74 Page - Intel Corporation

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