KX-NS1000UC (serv.man6) - Panasonic PBX Service Manual (repair manual). Page 116

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116
KX-NS1000UC
Y11
DSP_HWCLK[0]
O
DSP High Way CLK
Y12
nDSPINT11
I
DSP CARD interrupt
Y13
D13
I/O
CPU bus data
Y14
D1_HWD0
O
DSP CARD DOWN High Way
Y15
P4_YELLOW
I
LED Control input for LAN
Y16
NC
-
No Connection
Y17
P4_GREEN
I
LED Control input for LAN
Y18
C1K_HWU
I
internal UP HIGH WAY
Y19
C1K_HWD
O
internal DOWN HIGH WAY
Y20
CMPCS
O
FPGA config interface CMPCS
Y21
nWE/CCLK
I
CPU bus write command
Y22
DONE
O
FPGA config interface DONE
AA1
PROG_B
I
FPGA config interface PROG_B
AA2
D8
I/O
CPU bus data
AA3
VCC(IO)
-
VCC
AA4
nCS2
I
DSP/SRAM chip select
AA5
GND
-
GND
AA6
D3
I/O
CPU bus data
AA7
VCC(IO)
-
VCC
AA8
FAX_HWU
I
FAX CARD UP High way
AA9
GND
-
GND
AA10
nBUF_OE
O
CARD ID data output enable
AA11
VCC(IO)
-
VCC
AA12
D14
I/O
CPU bus data
AA13
GND
-
GND
AA14
D1_HWD1
O
DSP CARD DOWN High Way
AA15
VCC(IO)
-
VCC
AA16
nCARD_SEL[4]
O
CARD ID output enable
AA17
GND
-
GND
AA18
D11
I/O
CPU bus data
AA19
VCC(IO)
-
VCC
AA20
D0
I/O
CPU bus data
AA21
nWE_RES
I
CPU bus write command(reserve)
AA22
M0
I
FPGA config interface M1
AB1
GND
-
GND
AB2
D9
I/O
CPU bus data
AB3
nCS_RAM[2]
O
SRAM chip select
AB4
FAX_HWFH
O
FAX CARD High way FH
AB5
NC
-
No Connection
AB6
D4
I/O
CPU bus data
AB7
RDWR_B
I
FPGA configration interface RDWR
AB8
FAX_HWD
O
FAX CARD DOWN High Way
AB9
nRST_O[10]
O
peripheral device reset
AB10
L2M_HWCLK
O
internal 2M High Way CLK
AB11
nRST_IN
I
FPGA reset
AB12
D15
I/O
CPU bus data
AB13
EPG_HWFH
O
CODEC High Way FH
AB14
D1_HWU1
I
DSP CARD UP High Way
AB15
L4M_HWCLK
O
internal 4M High Way CLK
AB16
nRST_O[6]
O
peripheral device reset
AB17
DOOR_HWFH
O
Door Phone CARD High Way FH
AB18
D12
I/O
CPU bus data
AB19
D0_RES
I/O
CPU bus data(reserve)
AB20
nCS_FPGA
I
CPU buf chip select
AB21
DSP_HWCLK[1]
O
DSP High Way CLK
AB22
GND
-
GND
Pin No.
Pin Name
I/O
Function
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