PFS154 datasheet(89/91 Pages) PADAUK

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PFS154

8bit MTP Type IO Controller

Page 89 of 91

PDK-DS-PFS154_CN_V105 –Jun. 9, 2020

9.2.8

Program writing

Please use PDK5S-P-003 to program. PDK3S-P-002 or older versions do not support programming PFS154.

Jumper connection: Please follow the instruction inside the writer software to connect the jumper.

Please select the following program mode according to the actual situation.

Normal Programming Mode

Range of application:



Single-Chip-Package IC with programming at the writer IC socket or on the handler.



Multi-Chip-Package(MCP) with PFS154. Be sure its connected IC and devices will not be damaged by

the following voltages, and will not clam the following voltages.

The voltage conditions in normal programming mode:

(1)

VDD is 7.5V, and the maximum supply current is up to about 20mA.

(2)

PA5 is 8.0V.

(3)

The voltages of other program pins (except GND) are the same as VDD.

Important Cautions：

 You MUST follow the instructions on APN004 and APN011 for programming IC on the handler.

 Connecting a 0.01uF capacitor between VDD and GND at the handler port to the IC is always good

for suppressing disturbance. But please DO NOT connect with

＞0.01uF capacitor, otherwise,

programming mode may be fail.

Limited-Voltage Programming Mode

Range of application:



On-Board writing. Its peripheral circuits and devices will not be damaged by the following voltages, and

will not clam the following voltages. Please refer to On-Board Writing for more details.



Multi-Chip-Package(MCP) with PFS154. Please be sure that its connected IC and devices will not be

damaged by the following voltages, and will not clam the following voltages.

The voltage conditions in Limited-Voltage programming mode:

(1)

VDD is 5.0V, and the maximum supply current is up to about 20mA.

(2)

PA5 is 8.0V.

(3)

The voltage of other program pins (except GND) is the same as VDD.

Please select "MTP On-Board VDD Limitation" or "On-Board Program" on the writer screen to enable the

limited-voltage programming mode. (Please refer to the file of Writer “PDK5S-P-003 UM”).

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