Read Panasonic KX-NS8290CE Service Manual online
11
KX-NS8290
4.3.
CPU GPIO Port List
CPU (M82334) has 32 GPIO ports, and used as below.
GPIO Port List
Port
Pin No
Signal Name
Description
I/O
Function
GPIO0
B7
PDN_n
Power Down Interrupt
Input
INT
GPIO1
D7
NAND_R_B_n
NAND Flash Ready/Busy bit
Input
GPIO
GPIO2
C8
RTC_INT_n
RTC Interval Interrupt
Input
INT
GPIO3
A8
PEF2256_INT_n Framer Interrupt
Input
INT
GPIO4
B8
RST_SW_n
INITIALIZE Switch
Input
GPIO
GPIO5
E7
Input
GPIO
GPIO6
C9
Input
GPIO
GPIO7
A9
Input
GPIO
GPIO8
B9
LED_SYS_R
LED (STATUS Red)
Output
GPIO
GPIO9
C10
LED_LINE
LED (LINE)
Output
GPIO
GPIO10
D8
LED_SYS_G
LED (STATUS Green)
Output
GPIO
GPIO11
A10
RST_PRI_n
Framer Hardware Reset
Output
GPIO
GPIO12
B10
E_PHY_RST_n PHY (RTL8201) Hardware Reset
Output
GPIO
GPIO13
D10
RST_WDG
CPU(M82334) Watch Dog Timer
Output
GPIO
GPIO14
D9
Not Used
Input
GPIO
GPIO15
C11
Not Used
Input
GPIO
GPIO16
K3
Not Used
Input
GPIO
GPIO17
K2
Not Used
Input
GPIO
GPIO18
K1
Not Used
Input
GPIO
GPIO19
J4
Not Used
Input
GPIO
GPIO20
N1
Not Used
Input
GPIO
GPIO21
N2
Not Used
Input
GPIO
GPIO22
N4
Not Used
Input
GPIO
GPIO23
P4
Not Used
Input
GPIO
GPIO24
G21
TEST_OUT[0]
Used for Debugging
Output
GPIO
GPIO25
G22
TEST_OUT[1]
Used for Debugging
Output
GPIO
GPIO26
G20
TEST_OUT[2]
Used for Debugging
Output
GPIO
GPIO27
F20
TEST_OUT[3]
Used for Debugging
Output
GPIO
GPIO28
L19
CARD_ID[0]
Card ID [0]
Input
GPIO
GPIO29
K21
CARD_ID[1]
Card ID [1]
Input
GPIO
GPIO30
K22
CARD_ID[2]
Card ID [2]
Input
GPIO
GPIO31
J19
CARD_ID[3]
Card ID [3]
Input
GPIO
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