3. TECHNICAL BRIEF
- 39 -
3.13 Memory Interface
In E-GOLDvoice, the 16bits demultiplex X-bus interface is used for memory device support. NOR
Flash memory is supported. (The NAND Flash memory is not supported). The page mode can be
supported for flash memories.
Up to 8MBytes of external RAM and/or ROM can be connected to the MCU via its external bus
interface.
Up to 3 external CS signals can be generated to save external glue logic.
Access to very slow memories is supported via a special ‘Ready’ function.
The system MCU clock is set to run with 26Mhz.
Figure 3-13 Memory interface
MEMORY
(NOT MOUNTED)
100K
R312
2V8_VMEM
NA
R315
0
R310
G8
VSS2
E2
WP_ACC
A4
F1
_CE1F
G1
_CE1S
A3
_LB
F2
_OE
B4
_RSTF
_UB
B3
A5
_WE
DQ2
F4
DQ3
DQ4
F5
DQ5
H6
DQ6
E6
G7
DQ7
DQ8
H2
DQ9
F3
C8
RFU0
RFU1
D8
E7
RFU2
RFU3
F8
H5
RFU4
RY__BY
C4
VCCF
G4
G5
VCCS
VSS1
A3
A4
D2
A5
C2
A6
B2
A2
A7
A8
A6
A9
C6
CE2S
B5
G2
DQ0
E3
DQ1
DQ10
G3
DQ11
H4
G6
DQ12
DQ13
F6
DQ14
H7
F7
DQ15
H3
S71GL032A40BAW0F
E1
A0
D1
A1
A10
D6
A7
A11
A12
B7
C7
A13
A14
D7
B8
A15
E8
A16
D3
A17
C3
A18
B6
A19
A2
C1
C5
A20
B1
U301
C316
0.1u
R311
NA
2V8_VMEM_S
2V8_VIO
C301
NA
NA
C300
2V8_VMEM_S
1
3
VIN
VOUT
4
VBAT
BH28FB1WHFV
U300
6
BGND
2
GND
NC
5
STBY
R313
100K
2V8_VMEM
TP300
_RY_BY
0.1u
C315
2V8_VMEM
R314
0
ADD21
ADD04
ADD05
ADD06
ADD07
ADD08
ADD09
ADD10
_OE
_WR
DATA11
DATA12
DATA13
DATA14
DATA15
ADD01
ADD02
ADD11
ADD12
ADD13
ADD14
ADD15
ADD16
ADD17
ADD18
ADD19
ADD20
ADD03
CS0n
CS1n
ADD00
BHE_N
DATA00
DATA01
DATA02
DATA03
DATA04
DATA05
DATA06
DATA07
DATA08
DATA09
DATA10
Содержание KG270
Страница 1: ...Date April 2007 Issue 1 0 Service Manual Model KG270 MG160 Service Manual KG270 MG160 ...
Страница 3: ... 4 ...
Страница 81: ...5 DOWNLOAD 82 5 DOWNLOAD 5 1 Download Setup Configure system like figure 5 1 Figure 9 1 Download Setup ...
Страница 87: ... 88 6 BLOCK DIAGRAM 6 BLOCK DIAGRAM ...
Страница 92: ... 93 8 PCB LAYOUT ...
Страница 93: ... 94 8 PCB LAYOUT ...
Страница 104: ... 105 10 CALIBRATION 10 2 3 Click SETTING Memu 10 2 4 Setup Ezlooks menu such as the following fugure KG278 ...
Страница 106: ...10 CALIBRATION 107 10 2 7 Select MODEL 10 2 8 Click START for RF calibration 10 2 9 RF Calibration finish KG278 ...
Страница 107: ...10 CALIBRATION 108 10 2 10 Calibration data will be saved to the following folder ...
Страница 113: ... 114 ...
Страница 124: ...Note ...
Страница 125: ...Note ...