Schematics

+3_3V
+3_3V
+3_3V
+3_3V
+3_3V
DDRVCCIO
VCCK
DDRVCCIO
VDDRA
VCCK
[4,8]
SPI_CLK
[4,8]
SPI_MISO
[4
,9]
UART_TXD
[4,9]
GPIO0
[4]
TP
[4]
TN
[4,8]
SPI_MOSI
[4
]
DDR_VREF
+3_3V
AVDD33_BG
AVDD33_MEMPLL
AVDD33_XTAL
+3_3V
AVDD33_XTAL
AVDD33_MEMPLL
+3_3V
AVDD33_BG
VCCK
VCCK
VCCK
D6
05R604
22
KR68KRDisable
Enable
R212
9.31KR,1% TBD
PS2.The above value need to fine tune by actual system
PS1.Dying Gasp Trigger Volt=1.2V +/-5%
68.1KR,1%
R211
By Design
Dying Gasp VinDC EC
R604=0R
D605=1N5822
C16
4上件
NC电容上件
C183_0.1UF---1UF
C151_0.1UF---1UF
C157,C140上件
C150_0.1UF------1UF
增加C112
in
put clock mode selection:
*2'b00: 25MHz-XTAL mode
2'b01: 40MHz-Single clock input mode(From XO)
2'b10: 25MHz-Differential clock input mode
2'b11: 40MHz-Differential clock input mode
SPI/NFC mode selection:
3'b000: SPI NAND dummy prepend controller ECC(SPI)(Boot from internal rom)
3'b001: SPI NAND dummy append controller ECC(SPI)(Boot from internal rom)
3'b100: SPI NAND dummy prepend Flash ECC(SPI)(Boot from Flash)
3'b101: SPI NAND dummy append Flash ECC(SPI)(Boot from Flash)
3'b010: SPI NOR 4B mode(SPI)(Boot from Flash)
3'b011: SPI NOR 3B mode(SPI)(Boot from Flash)
3'b110: NFD mode (boot from internal rom), FW defination trap bit 0
*3'b111: NFD mode (boot from internal rom), FW defination trap bit 1
D
escription
1
'b111
P
in Name
S
PI_CLK,SPI_MISO,UART_TXD
EN752
8 Hardware Trap
D
efault
G
PIO0
1
'b1
boot_from_flash : (boot_from_flash )
1'b0: disable (boot from internal ROM)
*1'b1: enable (boot from SPI/SPINAND flash)
TP,TN
SPI_MOSI
CPU endian format
1'b0: little-endian ,
*1'b1: big-endian
1
'b1
SAFE
NO-SAFE
5
C187 0.
1uF
C164
10
uF,6.3V,0603
C123 0.
1uF
C190 0.1uF
C108 0.1uF
C168 0.1uF
C158
10uF,6.3V
,0603
C122 0.
1uF
C141 0.1uF
C163
10uF,6.3V
,0603
C156
10uF,6.3V
,0603
C167
10uF,6.3V
,0603
C178 0.
1uF
C127 0.1uF C110 0.1uF
C115
1uF,X
5R,6.3V
C114 0.
1uF
C189 0.1uF,0201
C176
1uF,X
5R,6.3V
C120
1uF,X
5R,6.3V
C185 0.
1uF
C113
1uF,X
5R,6.3V
C139 0.
1uF
C135 1uF,X5R,6.3V
C147 0.1uF
C191 0.1uF
C152 1uF,X5R,6.3V C162
0.1uF
C118
0.1uF
C85
0.1uF
C112
0.1uF
C157
4.7uF,6.3V,0
603
C129 0.
1uF
C151
1u
F
C198 0.
1uF,0201
C143 0.1uF C142
1u
F,X5R,6.3V
R
122
1KR,1 %
C138
0.1uF
C116
4.7u
F,6.3V
C179 0.
1uF
C128 0.1uF
C131
0.1uF
C159
1u
F,X5R,6.3V
C104
4.7u
F,6.3V
C144
4.
7uF,6.3V,0603
C150
1u
F
C153
4.
7uF,6.3V,0603
C105
1uF,X
5R,6.3V
C124 0.
1uF
C169 0.1uF
R132
1KR,1%
C133 1uF,X5R,6.3V
C155
0.1uF
C160 0.
1uF
C183
1u
F
C149
0.1uF
C180 0.
1uF
C140
1uF,X
5R,6.3V
C177 0.
1uF
C181
1u
F,X5R,6.3V
C103 0.
1uF
C119
4.7u
F,6.3V,0603
C102
1u
F,X5R,6.3V
C154 0.
1uF
C125 0.1uF,0201
C2
26
4.7u
F,6.3V,0603
C2
27
1uF,
X5R,6.3V
C2
28
1u
F/X5R/6.3V
R
194
4.7KR
R183
4.7KR
R190
N
C/4.7KR
R
182
4.7KR
R
191
N
C/4.7KR
R
187
N
C/4.7KR
R
195
N
C/4.7KR
R
189 4.7KR
R193
4.7KR
1
1
2
2
L
138
Bead,60 0R,300mA
1
1
2
2
L
151
Bead,60 0R,300mA
1
1
2
2
L
156
Bead,60 0R,300mA
1
1
2
2
L
145
Bead,60 0R,300mA