Motorola GP328 Detailed Service Manual

4-10
MISO
VS_RAC
D7
D4
D5
D3
D6
D2
D1
D0
Vddd
R_W
RESET
LCD_SEL
LEDBL
KEY_INT
INT_EXT_Vdd
VS_INT
VS_AUDSEL
VS_GAINSEL
FLAT_RX_SND
RX_AUD_RTN
URX_SND
TX_AUD_SND
PTT
SWB+
KEYPAD_ROW
KEYPAD_COL
A0
OFF_BATT_DATA_OUT
OPT_ENA
DATA
RDY
FLAT_TX_RTN
TX_AUD_RTN
VS_CS
EXT_MIC
CLK
J400-23
J400-2
J400-5
J400-20
J400-14
J400-26
J400-17
J400-35
J400-34
J400-33
J400-32
J400-31
J400-13
J400-15
J400-4
J400-9
J400-18
J400-11
J400-40
J400-25
J400-39
J400-28
J400-21
J400-27
J400-37
J400-36
J400-30
J400-29
J400-22
J400-3
J400-19
J400-8
J400-12
J400-6
J400-24
J400-1
J400-38
J400-10
J400-16
J400-7
EXT_MIC
VS_CS
SW_B+
Vddd
VS_AUDSEL
Det_Aud_Snd
Rx_Aud_Rtn
Tx_Aud_Snd
Tx_Aud_Rtn
Flat_Tx_Rtn
Opt_Bd_En
Rdy/Req
Rx_Aud_Snd
ON
INT_EXT_Vdd
Key_Row
Key_Col
PTT
Key_Intrp
VS_INT
RST
*
LED_EN
OFF_BATT_DATA_OUT
VS_GAINSEL
SrD_Rtn
SrD_Snd
R/W
*
CS
*
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
A0
SCK_Snd
VS_RAC
Gnd
E406
E405
E403
E402
E401
E404
E409
E408
E407
C463
100pF
0.1uF
C481
0.1uF
C482
0.1uF
C467
E400
R481
24K
100pF
100pF
C458
C466
100pF
C459
J400
40-PINS CONNECTOR
Controller Interface Schematic Diagram

Motorola GP328 Specifications

General

Channel Capacity	16 channels
Operating Temperature	-30°C to +60°C
Sealing	IP54
Frequency Range	136-174 MHz (VHF), 403-470 MHz (UHF)
Power Output	1-5W (VHF), 1-4W (UHF)
Dimensions	137 x 57.5 x 37.5 mm
Power Supply	7.5V
Battery Life	8 hours (High Power), 11 hours (Low Power) with standard NiMH battery
Weight	420g (with standard battery)