NEC Flash Memory Programmer PG-FP3 User Manual page 82

PG-FP3 pins not wired
Keep in mind the following points:
Open the CLK signal of the PG-FP3 to supply a clock to the microcontroller from the target.
Open the SCK signal when using a UART.
Open the SO signal when using IIC.
Open the HS signal when not using SIO + handshaking.
The pin configuration of the target interface connector and specifications of the interface cable are given below.
[Pin configuration]
Pin Signal name
1 GND
2 SI (RxD)
3 SO (TxD)
4 SCK
5 CLK
6 _RESET
7 V
DD
8 V
PP
9 HS
82
CHAPTER 7 HARDWARE SPECIFICATIONS
IN/OUT
Common signal
IN/OUT Serial data I/O (3-wire, UART, IIC)
OUT Serial data output (3-wire, UART)
OUT Serial clock output in 3-wire, IIC mode
OUT Clock output to target (Select 16, 8, 4, or 2 MHz.)
OUT RESET signal output to target (Low: RESET ON)
IN/OUT V input/output to target (Select I/O with select switch.)
DD
OUT V output to target
PP
OUT Handshaking signal output of 3-wire + handshaking communication
User's Manual U13502EJ2V0UM00
Specification