Read Panasonic KX-NCP1290CJ (serv.man2) Service Manual online
34
KX-NCP1290CJ
11 Exploded View and Replacement Parts List
11.1. IC Data
11.1.1. IC1 (CPU)
Shows the I/O port map of CPU and Shows that of ASIC.
I/O port map of CPU
Pin
Terminals
I/O
ACT
Terminals Contents
68
nIRQ3
I
L
Reserve (interrupt)
67
nIRQ2
I
L
PRI_IC (IC301) interrupt
66
nIRQ1
I
L
Interrupt for SAMSON (ASIC) (mainly DPRAM communication
interrupt for MPR)
interrupt for MPR)
65
nIRQ0
I
L
DC power down recovery detection inversion signal of LPR
inversion signal (L:recovery)
inversion signal (L:recovery)
64
PA11
O
L
UART port for request to send [RTS0] (RS232C)
62
PA10
I
L
UART port for clear to send [CTS0] (RS232C)
61
PA9
-
-
Reserve (general-purpose I/O)
60
nBREQ
I
L
Bus request signal (bus arbitration)
58
nBACK
O
L
Bus acknowledge signal (bus arbitration)
57
nRD
O
L
Read signal (bus control)
56
nLBS
O
L
Low byte strobe signal (bus control)
55
nWR
O
L
Write signal (bus control)
54
nWAIT
O
L
Wait signal (bus control)
53
nCS6
O
L
Chip select 6 signal (bus control)
52
PA1
-
-
Reserve (Chip Select 5 signal)
51
PA0
-
-
Reserve (Chip Select 4 signal)
100
nIRQ7
-
-
Reserve (interrupt)
99
nIRQ6
-
-
Reserve (interrupt)
98
nIRQ5
-
-
Reserve (interrupt)
97
nIRQ4
-
-
Reserve (interrupt)
96
PB11
-
-
Reserve (general-purpose I/O)
95
PB10
-
-
Reserve (general-purpose I/O)
94
TxD0
O
H/L
UART port to send data [TxD0] (RS232C)
93
RxD0
I
H/L
UART port to receive data [RxD0] (RS232C)
91
PB7
-
-
Reserve (general-purpose I/O)
90
PB6
-
-
Reserve (general-purpose I/O)
89
PB5
I
L
For manufacturing test L:FManufacturing test mode
87
PB4
I
L
For card single debugging (L:Fdebug mode)
86
PB3
I
L
Flash memory busy input (L:Fbusy)
85
PB2
I
L
Reserve (general-purpose I/O)
84
PB1
I
L
Reserve (general-purpose I/O)
83
PB0
I
H
LPR inversion signal (H:Finversion)
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