Kenwood KDC-MP928 Service Manual page 11

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MICROCOMPUTER'S TERMINAL DESCRIPTION
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Pin No. Pin Name
64 MODE0
65 MODE1
66 PAN_RST
67 AVDD1
68,69 NC
70 AVSS1
71 AVSS0
72 AVDD0
73 WAVE_IN
74 F01
75 F02
76 F03
77 F04
78 F05
79 F06
80 PAN3.3DET
81 2.5VDD
TE
L 13942296513
82 VSS
83 NC
84 NC (TYPE)
85 PON_E2P
86 REMO
87 PON_OEL
88 PON_3.3V
89 PON_5V
90 BUS_CLK
91 OEL_WAIT
92 SRAMCHK
93 NC
94 WE
95 OE
96 UBE
97 LBE
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98 3.3VDD
99 VSS
.
100 FROMCHK
101 CE_FROM
I/O Application
µ-com operation mode input
I
µ-com operation mode input
I
Used when debugging
I Input from reset IC
I D/A conversion reference voltage
I Dedicated input terminal
- D/A conversion reference GND
- D/A conversion reference GND
I A/D conversion reference voltage
I Voice input
I BPF (63Hz)
I BPF (150Hz)
I BPF (330Hz)
I BPF (1kHz)
I BPF (3.3kHz)
I BPF (10kHz)
I Dedicated input terminal
- 2.5V
-
O Not used
I
I/O ROM correction
I Remote controller signal input
I/O OEL AVDD power supply switch
I/O FROM, RAM, OEL3.3V switch
I/O 5V power supply switch
O OEL controller clock
I OEL controller wait
For SRAM production technology
O
application check
O Not used
O Data input request to memory (write)
O Data output request to memory (read)
O Upper byte request
O Lower byte request
- 3.3V
x ao u163
y
-
For F-ROM production technology
i
O
application check
O FLASH-ROM operation permission
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8
Processing / Operation / Description
GND direct connection
H : When writing
From PON_PANON, release in ***msec.
From PON_PANOFF, reset after 60µsec.
Connected with SW3.3V. 0V when POWER OFF
Pull down
GND direction connection
GND direction connection
Connected with SW3.3V. 0V when POWER OFF
AD read
AD read
AD read
AD read
AD read
AD read
AD read
Pull down
Q Q
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Output L-fixed
H only when used for ROM correction as measure for BU
current, L : ON, Hi-Z : OFF
Detection with pulse width
H : ON, Hi-Z : OFF
H : ON, Hi-Z : OFF
Remote controller IC, spectrum analyzer IC power supply
H : ON, Hi-Z : OFF
OK : H, NG : L
Output L-fixed
L : Write to memory, Hi-Z : Wait
L : Read from memory, Hi-Z : Wait
co
.
OK : H, NG : L
L : FLASH-ROM access, Hi-Z : Wait
KDC-MP928/PSW9531
/PSW9531Y, XXV-01D
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