HY17M24 Series
IDE Hardware User’s Manual
© 2019 HYCON Technology Corp
www.hycontek.com
Preliminary
APD-HY17MIDE002-V01_EN
page9
(1) U1
Feature: Target Board Chip, called HY17M24 (Part No: HY17M24-ES28).
(2) J3
Feature: External Power source VDD_EXT pin.
Description: Pin are defined as follows
Pin
Name
Description
1-1
VSS
Power ground pin
2-2
VDD_EXT
External Power supply pin
(3) J4
Feature:
Target Board Chip’s UART/I
2
C interface port and also can be used as
secondary Debug port and HAO calibration pin.
Description: Pin are defined as follows
Pin
Name
Description
1-1
PCAL
HAO calibration pin
2-2
VDD
External Power supply pin
3-3
SCL/RC/ECK2
UART RX pin, I
2
C and Debug Port2
’s clock pin
(with pull-
up 4.7KΩ on board)
4-4
SDA/TX/EDIO2
UART TX pin, I
2
C and Debug Port2
’s data pin
(with pull-
up 4.7KΩ on board)
5-5
VSS
Power ground pin
(4) J5
Feature:
Target Board Chip’s primary Debug port and HAO calibration pin.
Description: Pin are defined as follows
Pin
Name
Description
1-1
PCAL
HAO calibration pin
2-2
VDD
External Power supply pin
3-3
ECK
Debug port’s clock pin
4-4
EDIO
Debug port’s data
pin
5-5
VSS
Power ground pin
(5) J6
Feature:
Target Board Chip’s VDD power source selection.
Description: Pin are defined as follows
Pin
Name
Description
1
VDD_ICE
Target Board Chip’s VDD power is coming from Control Box
2
VDD_IN
Target Board Chip’s VDD power
3
VDD_EXT
Target Board Chip’s VDD power is coming from external
power
.
