Kenwood KDC-MP738U Service Manual page 14

KDC-MP738U/W7541U
/W7541UY/X792/X8009U
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. Pin Name
53 CLK IN1
54 FL_LAT
55 FL_DATA1
56 3.3VDD
57,58 X2,X1
59 CVSS
60 CKSEL
61 PSEL
62 2.5VDD
63 VSS
64 MODE0
65 MODE1
66 PAN RST
67 AVDD1
68,69 NC
70,71 AVSS1,AVSS0
72 AVDD0
73~80 NC
81 2.5VDD
82 VSS
83 NC (TYPE)
84 TYPE1
85 NC
86 REMO
87 PON_FL+B
88~91 NC
92 ROTARY1_CCW
93 ROTARY1_CW
94 WE
94 NC
95 OE
96,97 NC
98 3.3VDD
99 VSS
100 FROMCHK
100 NC
14
I/O Application
I Serial sync clock input
O FL latch control
O FL serial control data SI1
-
I Clock input
-
I Clock generator operational mode input
I Input of input frequency selection signal in PLL mode
-
-
I μ-com operation mode input
μ-com operation mode input
I
Used when debugging
I System μ-com control
I D/A conversion reference voltage
I
- D/A conversion reference GND
I A/D conversion reference voltage
I Dedicated to input
I Not used
I Set up destination to have customization or not
O Not used
I Remote controller signal input
O FL bias power supply switch
O Not used
I Rotary 1 A input (For VOL)
I Rotary 1 B input (For VOL)
I/O Memory data writing-in permission
O NC when MASKROM
I/O Memory data transmission permission
O Not used
Used for implementation checking by Product
O
Engineering
O Not used when MASKROM
Processing / Operation / Description
Sync to FL_CLK
6.6MHz Internal 66MHz
Direct connection to GND
VDD connection when the main clock is 5.5MHz
or more and GND connection when the clock is
other frequencies
Direct connection to GND
H: While writing-in
Cancel in 100msec after PON_PAN ON
Reset in 60usec after PON_PANOFF
Be connected to D3.3V
Terminal yet to be processed
Direct connection to GND
Be connected to D3.3V
Direct connection to GND
Supporting switching of PULL UP_DOWN
H: Flash ROM, L: Mask ROM
L fi xed
Detect with pulse width
H: ON, L: OFF
Output L fi xed
1 pulse/2 clicks
15 pulses/360°
1 pulse/2 clicks
15 pulses/360°
Terminal yet to be processed
Output L fi xed
L: Send data, H: Wait
Hi-Z: When starting up SW3.3
Output L fi xed
Repeat "H" and "L" before fi nalizing
OK: H, NG: L
Output L fi xed