Appendix A: "Rs-232, Control" Connector (Header-16 Male); Appendix B: Usb Driver Latency - Softlog Systems ICP2-ISO Quick Start Manual

ICP2-ISO(G3) Quick Start

6 Appendix A: "RS-232, CONTROL" Connector (Header-16 Male)

Pin No. Pin Name
1 PC_RXD_ISO
2 GND_ISO
3 PC_TXD_ISO
4 GND_ISO
5 CHAIN_232_TXD_ISO
6 GND_ISO
7 CHAIN_232_RXD_ISO
8 GND_ISO
9 GO_ISO
10 PASS_ISO
11 FAIL_ISO
12 5V_ISO
13 ENV_SEL_A_ISO
14 ENV_SEL_B_ISO
15 ENV_SEL_C_ISO
16 Reserved

7 Appendix B: USB Driver Latency

•
ICP2-ISO(G3) programmer operates with FTDI USB driver. Default latency of the driver is set to 16ms
which slows down the programmer operation. "ICP for Windows" automatically tries to set the latency to
2ms, but it may not work. In this case change the latency as follows:
•
Option 1 - run "ICP for Windows" as Administrator
•
Option 2 - change latency manually:
- enter Control Panel → System → Device Manager → Ports (COM & LPT)
- select USB Serial Port (COMx) → Port Settings → Advanced
- change Latency Timer to 2ms (recommended), 4ms is allowed too, don't set 1ms
- press OK
- restart your PC if it was prompted
Rev: Mar-2024
Pin Type
Standard RS-232 output
-
Standard RS-232 input
-
Standard RS-232 output
-
Standard RS-232 input
-
CMOS input (0/Z) with weak
pull-up
CMOS output with in-series
R=330Ω
CMOS output with in-series
R=330Ω
5V reference source
CMOS input (0/5V) with weak
pull-down
CMOS input (0/5V) with weak
pull-down
CMOS input (0/5V) with weak
pull-down
CMOS input (0/5V) with weak
pull-down
Description
RS-232 output to PC
Isolated GND
RS-232 input from PC
Isolated GND
RS-232 output to chained ICP2-ISO
Isolated GND
RS-232 input from chained ICP2-ISO
Isolated GND
Programming activation (active low)
Pass/busy indication
Fail/busy indication
Isolated 5V with in-series fuse 50mA, can
be used to control ENV_SEL_A/B/C_ISO
lines
Environment selection:
...C... ...B... ...A...
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
Reserved combination selects Env. 1
Future use
Result
Env. 1
Env. 2
Env. 3
Env. 4
Env. 5
Env. 6
Reserved
Reserved
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