3.8 Memory (U300)
The memory is consists of 128Mbit Nor Flash Memory and 32Mbit Pseudo SRAM. It has 16 bit
parallel data bus and 22 bit address.
Software, RF calibration data, audio parameters and battery calibration data are stored in the
Flash memory.
Figure 3-13. Block Diagram of Memory.
Table 3-8. Pin Description of U300.
- 28 -
Vccf
Vss
DQ0~DQ15
(DQ0~DQ7)
Vccps
A0~A20
A-1 A0~A21
A-1 A0~A21
WP/ACC
RY/BYf
BYTE
WE
OE
CE1ps
CE2ps
UB
LB
RESET
CEf1
CEf2
Vss
128 Mbits
FLASH Memory
328 Mbits
PSEUDO SRAM
DQ0~DQ15
DQ0~DQ15
3. TECHNICAL BRIEF
A-1, A0 to A21
Address inputs
DQ0 to DQ15
Data inputs / outputs
Chip enable inputs for Pseudo SRAM
Chip enable inputs for Nor Flash Memory
Output enable input
Write enable input
Data byte control inputs for Pseudo SRAM
Write protect/program acceleration input for Nor Flash Memory
RESET
Hardware reset input for Nor Flash Memory
Word/Byte select input for Nor Flash Memory
Ready/Busy output for Nor Flash Memory
Vccps
Power supply for Pseudo SRAM
Vccf
Power supply for Nor Flash Memory
Vss
Ground
DU
Don't use
NC
Not connected
CE1ps
, CE2ps
CEf1, CEf2
OE
WE
WP
/ ACC
BYTE
LB, UB
RY /
BYf
Содержание C3100
Страница 1: ...Service Manual Model C3100 Service Manual C3100 P N MMBD0033001 Date June 2004 Issue 1 0 ...
Страница 51: ...Graph 4 15 EGSM TX 50 VCX VC2 VCX VC2 4 TROUBLE SHOOTING Graph 4 14 DCS TX ...
Страница 67: ...5 DISASSEMBLY INSTRUCTION Figure 5 1 Figure 5 2 66 5 DISASSEMBLY INSTRUCTION ...
Страница 68: ... 67 5 DISASSEMBLY INSTRUCTION Figure 5 3 Figure 5 4 ...
Страница 69: ... 68 Figure 5 5 5 DISASSEMBLY INSTRUCTION ...
Страница 70: ... 69 5 DISASSEMBLY INSTRUCTION Figure 5 6 Figure 5 7 1 3 2 4 1 2 3 ...
Страница 71: ... 70 Figure 5 8 Figure 5 9 5 DISASSEMBLY INSTRUCTION 4 2 3 1 2 1 ...
Страница 72: ... 71 5 DISASSEMBLY INSTRUCTION Figure 5 10 ...
Страница 83: ... 82 7 BLOCK DIAGRAM 7 BLOCK DIAGRAM Power supply ...
Страница 90: ... 89 9 PCB LAYOUT 9 PCB LAYOUT ...
Страница 91: ... 90 9 PCB LAYOUT ...
Страница 98: ... 97 11 3 HW Test Software for Standalone Test Setup 11 STAND ALONE TEST ...
Страница 100: ... 99 Tx Stand alone Test Setting 11 STAND ALONE TEST ...
Страница 102: ... 101 Rx Stand alone Test Setting 11 STAND ALONE TEST ...
Страница 104: ... 103 12 3 Equipment Setup Figure 12 1 Equipment Setup 12 AUTO CALIBRATION ...
Страница 107: ... 106 12 AUTO CALIBRATION ...
Страница 108: ... 107 13 EXPLODED VIEW REPLACEMENT PART LIST 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 Exploded View ...
Страница 109: ... 108 13 EXPLODED VIEW REPLACEMENT PART LIST ...