Motorola MTP700 - Page 151

TRANSCEIVER 800 MHz MTP700 Portable Radio / Detailed Service Manual 4.2 - 29
Table 4.2-1 Bottom Connector Mode Table
Logic Levels
1 : 2.0V to 2.85V, typical 2.775V
0 : 0V to 0.8V
X : Do Not Care Condition
Pin
No.
Signal Name (Short_Form)
Power/
Default
States
USB
RS232/
SSI
RS232
(8 wire)
SB9600 JTAG
1 Power Ground (GND) GND GND GND GND GND GND
2 USB+/TXD (D+)/TDO D+ TXD TXD TXD TDO
3 USB-/RXD (D-)/TDI D- RXD RXD RXD TDI
4 USB Power/RTS/Reset_In USB_
PWR
RTS RTS BUSY
IN
RESET_IN
5 SWB+ SWB+ SWB+ SWB+ SWB+ SWB+ SWB+
6 CTS/MCU_DE CTS CTS BUSY
OUT
MCU_DE
7 FS/DCD/DSP_DE FS DCD DSP_DE
8 SCK/RI/TCK SCK RI
TCK
9 SRDA/DTR/TMS SRDA DTR TMS
10 STDA/DSR/TRST STDA DSR TRST
11 Bottom_Option_1 (BOT_OPT1) BOT_
OPT1
BOT_
OPT1
BOT_
OPT1
BOT_
OPT1
BOT_
OPT1
BOT_
OPT1
12 Bottom_Option_2 (BOT_OPT2) BOT_
OPT2
BOT_
OPT2
BOT_
OPT2
BOT_
OPT2
BOT_
OPT2
BOT_
OPT2
13 On_Off/JTAG/FLASH Mode
(On_Off/JTAG)
On_Off
/JTAG
On_Off
/JTAG
On_Off
/JTAG
On_Off
/JTAG
On_Off
/JTAG
On_Off
/JTAG
14 Headset Indication/Key_Fail
Key
Key HS/Key Key Key
Table 4.2-2 Bottom Connector Pin Out Table
MODE ON_OFF/
JTAG/ FLASH
BOTTOM
OPTION1
BOTTOM
OPTION2
USB
PWR
Standard Normal (No Accessory) 0 1 1 0
Modes USB Accessory / Computer 0 1 1 >4.0V
Emergency 0 1 0 X
RS-232 (4 wire) / SSI 0 X
PTT (Push To Talk) 0 0 0 X
RS-232 (8 wire) 0 0 1 X
SB9600 0 X
Non KEYLOAD 0 X
Standard FLASH 11.4-12.6 V X X X
Modes JTAG 7.6-8.4 V X X X
*
*
Note: * Schottky Diode with forward voltage less than 0.4V.