Technical Manual
Table Of Contents
- Vocoder and Controller Boards Detailed Theory of Operation
- Introduction to This Section
- General
- Vocoder Board
- Controller Board
- Switching Regulator
- RX Signal Path
- TX Signal Path
- Controller Bootstrap and Asynchronous Buses
- Vocoder Bootstrap
- SPI Bus Interface
- Universal Connector and Option Selects
- Keypad and Display Module
- Controls and Control Top Flex
- Controller Memory Map
- Vocoder Memory Map
- MCU System Clock
- DSP System Clock
- Radio Power-Up/ Power-Down Sequence
- Notes
- Secure Modules
- Disassembly/Reassembly Procedures
- Troubleshooting Procedures
- Troubleshooting Charts
- Troubleshooting Waveforms
- Troubleshooting Diagrams
12-3
P201
Controller Board to RF Board
P201 Pin # Description To/From
1 DOUT* J401-33
2 DOUT J401-45
3 LOCK_DET* U702-K2
4 SBI J401-22
5 BAT_STATUS U701-28
6 GROUND N/C
7 DA_SEL* U701-68
8 ROSC/PSC_CE* U701-59
9 SYN_SEL* U701-62
10 SPL_SCK U701-67
11 OD - 24MHZ U701-43
12 POR* U726-1
13 GROUND N/C
14 MODIN J401-35
15 UNSW_B+ Q1-2, 3
16 GROUND N/C
17 MOSI U701-66
18 SW_B+ Q106-5
19 GROUND N/C
20 UNSW_B+ Q106-2, 3
P301
Controller Board to Display Module
P301 Pin # Description To/From
1 SPI_SCK U701-67
2 MOSI U701-66
3 DISP_EN* U702-G8
4 BL_EN U702-E7
5 GROUND N/C
6 GROUND N/C
7 +5V U709-9