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On-board Flash Programmer

FP-40 Technical Information

Second Edition (Aug. 31, 2023)

Table of Contents

Document change history ...................................................................................... 1

arm Cortex series (JTAG/SWD).............................................................................. 2

■ Supported connectors ................................................................................................................................ 2

■ Applicable products .................................................................................................................................... 2

■ FP-40 usage environment check chart ....................................................................................................... 3

■ 20-pin 2.54mm-pitch connector .................................................................................................................. 4

① SWD interface ......................................................................................................................................... 4

② JTAG interface ......................................................................................................................................... 6

■ 20-pin 1.27mm-pitch connector .................................................................................................................. 8

③ SWD interface ......................................................................................................................................... 8

④ JTAG interface ......................................................................................................................................... 9

■ 10-pin 1.27mm-pitch connector ................................................................................................................ 10

⑤ SWD interface ....................................................................................................................................... 10

⑥ JTAG interface + Trace .......................................................................................................................... 11

■ Reference：RZ/A and RZ/T series /SRST, /TRST reference diagram ....................................................... 12

■ About FP-40 unique signals ..................................................................................................................... 13

Note ............................................................................................................................................................ 13

■ FP-40 target interface specifications ........................................................................................................ 14

Specifications of the target connector .............................................................................................................. 14

Dimensions of TARGET cable ......................................................................................................................... 15

Target interface voltage level ........................................................................................................................... 16

Signal specifications ........................................................................................................................................ 16

UART ...................................................................................................................... 18

■ Target interface specifications when using UART on the FP-40 unit ........................................................ 18

Specifications of the target connector .............................................................................................................. 18

Dimensions of TARGET cable ......................................................................................................................... 19

Target interface voltage level ........................................................................................................................... 19

Signal specifications ........................................................................................................................................ 19

Connection reference diagram ........................................................................................................................ 20

Note ................................................................................................................................................................. 20

Common specifications for each interface ......................................................... 21

■ External I/O functions of FP-40 ................................................................................................................ 21

External input / output function powered by VTref (1 pin) ................................................................................ 21

External input / output function using 3.3V I/F ................................................................................................. 21

EX_OK/EX33_OK ............................................................................................................................................ 22

EX_STARTn/EX33_STARTn ........................................................................................................................... 23

EX_BSY/EX33_BSY ........................................................................................................................................ 23

EX_NG ............................................................................................................................................................ 23

Using each signal in combination .................................................................................................................... 24

External I / O function timing with VTref (1 pin)................................................................................................ 25

External I / O function timing with 3.3V I/F ....................................................................................................... 25

C-Flash Settings .............................................................................................................................................. 26

Brand	Computex
Model	FP-40
Category	Motherboard
Language	English

Computex FP-40 User Manual

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Computex FP-40 Specifications