Programmable Microelectronics Corp.

Issue Date: December, 2003 Rev: 1.2

PMC

Pm39LV512 / Pm39LV010 / Pm39LV020 / Pm39LV040

11

SOFTWARE PRODUCT IDENTIFICATION EXIT

Load Data AAh

to

Address 555h

Load Data 55h

to

Address 2AAh

Load Data 90h

to

Address 555h

Enter Product

Identification

Load Data AAh

to

Address 555h

Load Data 55h

to

Address 2AAh

Load Data F0h

to

Address 555h

Exit Product

Identification

Load Data F0h

to

Address XXXh

Exit Product

Identification

or

Chart 3. Software Product Identification Entry/Exit Flowchart

SOFTWARE PRODUCT IDENTIFICATION ENTRY

DEVICE OPERATIONS FLOWCHARTS (CONTINUED)

Notes:

1. The device will enter Product Identification mode after excuting the Product ID Entry command.

2. Under Product Identification mode, the Manufacturer ID and Device ID of devices can be read at address

X0000h and X0001h where X = Don’t Care.

3. The device returns to standby operation.