Kenwood GX-201KEF2 Service Manual page 12

GX-201KEF2/LEF2/REF2/SEF2
QQ
MICROCOMPUTER'S TERMINAL DESCRIPTION
3 7 63 1515 0
Pin No. Pin Name
77 X1A
78 X0A
79 VSS
80 X0
81 X1
82 VCC
83 NC
84 NC
85 F_DEF_DIM
86 F_DEF_IND
87 R_DEF_DIM
88 R_DEF_IND
89 HENC_UP
90 HENC_DW
91 AENC_UP
92 AENC_DW
93 KS0_AH
TE
L 13942296513
94 KS1_AH
95 KS2_AH
96 KS3_AH
97 KS4_AH
98 TONE
99 A_STORE
100 DOWN_SEEK
www
.
12
I/O Application
- Sub clock terminals for accommodating 2 clocks
O Sub clock terminals for accommodating 2 clocks
- GND connection terminal
- CPU main clock supply
- CPU main clock supply
- Power supply Input terminal
O FLASH write method setting
I FLASH write method setting
O LED control of front DEF key
O LED control of front DEF key
O LED control of rear DEF key
O LED control of rear DEF key
I Rotary encoder SW (A/C : A)
I Rotary encoder SW (A/C : B)
I Rotary encoder SW (Audio : A)
I Rotary encoder SW (Audio : B)
O Key matrix (SCAN : 0Bit)
O Key matrix (SCAN : 1Bit)
O Key matrix (SCAN : 2Bit)
O Key matrix (SCAN : 3Bit)
O Key matrix (SCAN : 4Bit)
I TONE (BAL/PAD) key input
I A_STORE key input
I DOWN_SEEK key input
x ao
y
i
8
Processing Operation Description
Not used, Connected to GND
GND
3.9936MHz crystal is used.
3.9936MHz crystal is used.
Connected to BU5V
Not used during normal operation, Lo : Serial write permission
Not used during normal operation, Hi : Serial write permission
H : Bright light, L : Dim light
Lo : ON, Hi : OFF
H : Bright light, L : Dim light
Lo : ON, Hi : OFF
Q Q
3 6 7 1 3
Lo : OFF, Hi : ON
Lo : ON, Hi : OFF
Lo : OFF, Hi : ON
u163
.
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
m
co
9 9
2 8 9 9