Geehy SEMICONDUCTOR GEEHY-LINK User manual
GEEHY-LINK
Version: V1.2
User Manual
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1. Overview
GEEHY-LINK(Figure 1) is an all-in-one emulator and programmer for online debugging
and emulation of APM32 full series MCUs under Keil IDE. It supports full-speed
operation, single-step debugging, breakpoint setting, and other debugging methods.
(Figure 1) (Figure 2)
2. Port Description
GEEHY-LINK provides a 20PIN port for customer use. The customer can connect to
the target board through the port to complete the corresponding operation. The
number and definition of the 20 pin port are shown in Figure 2.
3. Performance
Support Windows7/8/10 without drives
Support APM32 full series MCU programming
Support both SWD and JTAG programming
Power target board via a control button
High-speed USB provides a power supply
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4. Electrical Parameters
Input voltage: 5V Input current≥500mA
Output voltage: 3.3V Output current≤350mA
5. Instruction
1) Connect GEEHY-LINK to the computer with a USB cable and the Device Manager
will appear on Geehy DAP USB Device as shown in Figure3:
(Figure 3)
2) The power supply of the target board can be controlled by the keys on the tool.The
tool is not powered in the default state.Press and hold the button for 3s,the red
light will be on to power the target board; Press and hold the button again for 3s,
the red light will be off to stop the power supply.
3) Choose to use SWD or JTAG on Keil.
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a) Click “Debug” on the “Options for Target” , interface and then select
“CMSIS-DAP Debugger” as shown in Figure 4:
(Figure 4)
b) Click “Settings” to select mode(SWD or JTAG) and frequency, as shown in
Figures 5 and 6:
A：
Emulator name
B：
Emulator seial number
C：Emulator firmware version
D：SWD and JTAG selection (only Keil version V5.22 or above supports JTAG)
E：
Maximum frequency: 10M
F：IDCODE is displayed after a successful connection to the target board.
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(Figure 5)
(Figure 6)
4) Enter the “Flash Download” interface and select “Programming Algorithm”. Clink
the “Add” button and add the corresponding Flash, as shown in Figure 7.
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(Figure 7)
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