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CPU Pin Description : IC701
CXP83416-050Q
—TOP VIEW—
65
66
67
68
69
70
71
72
V
DD
73
74
75
76
77
78
79
80
[Inputs]
Singal Name
Pin No. Description
VDD
72
Power supply input +5V
VSS
33
GND for power supply input
EXTAL
31
Clock input (8 MHz)
XTAL
32
Clock input
(8 MHz: Phase-reversal of EXTAL)
VLC1
37
Bias voltage input for LCD
VLC2
38
Bias voltage input for LCD
VLV3
39
Bias voltage input for LCD
ALO
22
Audio signal level (analog) input
RSSI(A)
23
RF signal level of ANTENNA A input
RSSI(B)
24
RF signal level of ANTENNA B input
MODEL
25
Judgment for model type
(L: WRR-802/A, H: MB-806/A)
ADDRESS
27
Judgment for slot number (MB-806/A)
DIST1
28
Selection 1 for destination (model type)
DIST2
29
Selection 2 for destination (model type)
TONE1
13
Tone signal detection (L: detecting)
NOISE
14
Noise signal detection (L: detecting)
TONE2
15
Battery tone signal detection (L: detecting)
PLL LD
16
PLL lock etection (H: Lock)
GP
80
GP operation button
CH
1
CH operation button
+
12
+ operation button
_
18
_ operation button
SQL SET
21
RSSI learning mode setting
RST
30
Reset (L: ON)
WRR-802A (U)
[Outputs]
Singal Name
40
39
MODEL
38
37
36
COM0 - COM3
35
34
SEG0 - SEG19
GND
33
32
VL
31
30
LED RF
29
28
LED AF
27
26
LED BATT
25
DIV
AFM
[Inputs/Outputs for EEPROM and PLL]
Singal Name
ROM-DO
ROM-CS
ROM-SK/PLL-CLK 69
ROM-DI/PLL-DATA 70
PLL-LE
[Inputs/Outputs for communication]
Singal Name
IF-CS
IF-CLK
IF-DI
IF-DO
TEST
MASTER/SLAVE
[Others]
Singal Name
PB0/CS1
PB6/SI1
PC6
PE5/PWM0
PE6/T0/ADJ
PD4/SEG20
PD5/SEG21
PD6/SEG22
PD7/SEG23
TX
PE1/INT1
PE4/RMC
TEX
—
Pin No. Description
26
Model selection (L: WRR-802/A, MB-806/A)
38 - 41
LCD control
42 - 61
LCD control
34
Bias voltage control for LCD
71
Control for RF LED (H: ON)
76
Control for AF LED (H: ON)
20
Control for BATT LED (H: ON)
66
Diversity control (H: ANT A, L: ANT B)
67
AF muting control (H: Muting OFF)
Pin No. Description
17
EEPROM control
68
EEPROM control
EEPROM/PLL control
EEPROM/PLL control
77
PLL control
Pin No. Description
6
Serial I/O control
7
Serial I/O control
8
Serial I/O control
9
Serial I/O control
78
Test mode (L: ON)
10
MASTER/SLAVE communication
Pin No. Description
5
NC
11
NC
19
NC
3
NC
4
NC
62
NC
63
NC
64
NC
65
NC
73
NC
79
Connect to GND
2
Connect to GND
74
Connect to GND
75
Connect to GND
IC
4-7
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