Hardware Manual ver.1.0.1 Pre1
10
Table 5-6 CON5 Signal Assignment
Pin#
Signal
Name
I/O
Function
1
GND
Power Power supply (GND)
2 +3.3V Power
Power supply (+3.3V)
* Total output current for CON3/CON4/CON5: 100mA Max.
3
GPIO_0
In/Out Connecting to GPIO port 0 (EP9307’s EGPIO4 (Port A:4) pin
4
GPIO_1
In/Out Connecting to GPIO port 1 (EP9307’s EGPIO5 (Port A:5) pin
5
GPIO_2
In/Out Connecting to GPIO port 2 (EP9307’s EGPIO6 (Port A:6) pin
6
GPIO_3
In/Out Connecting to GPIO port 3 (EP9307’s EGPIO7 (Port A:7) pin
7
GPIO_4
In/Out Connecting to GPIO port 4 (EP9307’s EGPIO8 (Port B:0) pin
8
GPIO_5
In/Out Connecting to GPIO port 5 (EP9307’s EGPIO9 (Port B:1) pin
9
GPIO_6
In/Out Connecting to GPIO port 6 (EP9307’s EGPIO10 (Port B:2) pin
10
GPIO_7
In/Out Connecting to GPIO port 7 (EP9307’s EGPIO11 (Port B:3) pin
Electrical specifications of the parallel interface are shown in Table 5-7.
Table 5-7 Electrical Specifications of the Parallel Interface
Symbol
Parameter
Min
Max
Unit
Conditions
VIH
CMOS Input high voltage
0.65×VDDIO VDDIO+0.3 V VDDIO=3.3V
VIL
CMOS Input low voltage -
0.3
0.35×VDDIO
V
VOH
CMOS Output high voltage
2.8
V
IOH=4mA
VOL
CMOS Output low voltage
0.5
V
IOL= - 4mA
IOH
High level Output current
4
ｍ
A
IOL
Low level Output current
- 4
ｍ
A
IIL
Input leakage current
10.0
μ
A
VIN=VDD or
GND
5.6. CON6 (External Reset/GPIO Terminal)
CON6 is connected to the external reset IC and the CPU (EP9307)’s GPIO (General Purpose I/O).
Table 5-8 CON6 Signal Assignment
Pin#
Signal Name
I/O
Function
1 EXT_RESET*
In
The pin is connected to reset IC. Connecting the pin to the ground will
assert the reset signal to the system.
* Open collector and open drain signals can also be input.
* High level signals are not acceptable.
2
EXTINT
In/Out
Connecting to EP9307’s GPIO (Port F:7) pin
