Motorola CDM Series Service Manual page 16

Chapter 1: 2-6
FECTRL 1
FECTRL 2
FLASH CS
FLASH OE
FLAT RX SND
FLAT TX RTN
FLT A+
GP x IN
GP x IN ACC y
GP x IN OUT ACC y
GP x OUT
GP x OUT ACC y
GPIO
HANDSET AUDIO
HOOK
HSIO
IF
IGNITION CONTROL
IN 5V RF REG
INT KP COL
INT KP ROW
INT MIC
INT SWB
INT SWB+
IRQ
K9V1
KEYPAD ID
LCD A0
LCD CS
LCD DATA
LCD E RD
LCD RW WR
LED CNTRL
LED GREEN
LED RED
LED YELLOW
6881091C63-A
Notes For All Schematics and Circuit Boards
Control Voltage for Front-End Filter
Control Voltage for Front-End Attenuator Switch
Flash Chip Select
Flash Output Enable
Option Board Audio Output Signal
Flat TX Input from Option Board and Accessory
Connector
Filtered 13.2 V Supply Voltage
General Purpose Input x
General Purpose Input x from Accessory
Connector Pin y
General Purpose Input/Output x from Accessory
Connector Pin y
General Purpose Output x
General Purpose Input x from Accessory
Connector Pin y
General Purpose Input Output Lines
Handset Audio Output
Hang-up Switch Input
High Speed Clock In / Data Out
First Intermediate Frequency Signal
Ignition Line to switch on the Radio's Voltage
Regulators
Supply Voltage for 5V Regulator in RF Section
Internal Keypad Matrix Column Signal
Internal Keypad Matrix Row Signal
Internal (from Control Head) Microphone Input
Internal Switched 13.2V Supply Voltage
Internal Switched 13.2V Supply Voltage
Interrupt Request from Control Head
9.1V in Transmit Mode
Keypad Identification Line
LCD Control / Display Data Select
LCD Chip Select
LCD Data Lines
LCD Enable Read
LCD Read Write Control
LED Control Lines
Green LED Control
Red LED Control
Yellow LED Control