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首页揭秘iPad3电路与原理图:开发案例与详细参数
揭秘iPad3电路与原理图:开发案例与详细参数
需积分: 13 4 下载量 80 浏览量
更新于2024-07-21
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本文档详细介绍了苹果iPad 3的电路图和原理图,这些信息对于电子工程专业人士以及开发者来说具有很高的参考价值。电路图中的关键参数包括: 1. 电容值:所有电容器的容量标注为微法拉(μF),这涉及电源滤波、信号耦合和存储等方面,确保了设备的电气性能稳定。 2. 专属性声明:该电路图和设计是Apple Inc.的专有财产,未经许可不得复制或以任何形式公开,体现了知识产权保护的重要性。 3. 晶体振荡器及频率:所有的晶体振荡器和时钟频率信息也包含在内,这对于确保设备精确的时间同步和信号传输至关重要。 4. 版本描述:文档中提供了修订版本(Revision)和修订编号,可能指代电路设计的不同迭代,以便跟踪和更新。 5. 组件和布局:图中详细标注了各个部分的名称(如A、B、C等)以及它们在电路板上的位置,便于理解和组装。 6. 电阻值:电阻值以欧姆(Ω)表示,通常为0.1瓦特±5%,确保了电路的稳定性和功率消耗控制。 7. 表格结构:文档还包含一个详尽的目录表,列出了电路图的各个部分,便于查找特定模块或功能的详细信息。 8. 保密条款:阅读者同意不泄露或复制这份文档,以维护其机密性,并尊重设计者的权益。 通过这份电路图和原理图,开发人员可以深入理解iPad 3内部的工作原理,对硬件故障诊断、升级和定制化开发有所帮助。同时,它也是一个学习和研究现代平板电脑硬件架构的好例子,展示了Apple在电子设计领域的精湛技艺。
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![](https://csdnimg.cn/release/download_crawler_static/9163133/bg9.jpg)
(9 OF 12)
VDD
VDD
VDDIO18_GPIO
VDDIO18_UART1_TXD0
VDD_CPU
VDDIOD
VDDIOD7
VDDIOD6
VDDIOD5
VDDIOD4
VDDIOD3
VDDIOD2
VDDIOD1
VDDIOD0
VDDIO18_XO0
VDDIO18_FUSE0_FSRC
VDDIO18_UART2_TXD
VDDIO30_USB11
VDDIO30_GPIO_3V0
VDDIO30_DP_HPD
VDDIO30_CFSB
(10 OF 12)
Apple Inc.
THE INFORMATION CONTAINED HEREIN IS THE
PROPRIETARY PROPERTY OF APPLE INC.
124578
B
D
87 6 5 4 3
C
B
A
NOTICE OF PROPRIETARY PROPERTY:
PAGE
12
D
A
C
PAGE TITLE
SHEET
IV ALL RIGHTS RESERVED
R
D
SIZE
DRAWING NUMBER
REVISION
BRANCH
6 3
THE POSESSOR AGREES TO THE FOLLOWING:
I TO MAINTAIN THIS DOCUMENT IN CONFIDENCE
III NOT TO REVEAL OR PUBLISH IT IN WHOLE OR PART
II NOT TO REPRODUCE OR COPY IT
PART NUMBER
ALTERNATE FOR
PART NUMBER
BOM OPTION
REF DES
COMMENTS:
TABLE_ALT_HEAD
TABLE_ALT_ITEM
FMI0-1 88MA
FMI2-3 88MA
1000MA
160MA
44MA
FMI2-3_CEN 2MA
ISP FLASH, SPI3 3MA
UART4 ?MA
GPIO30-39 4MA
2300MA
3800MA
SPI1 1MA
I2C2 1MA
C1100, C1102, C1103, C1117,
C1121, C1122, C1124, C1153,
C1154, C1155, C1156, C1158,
C1191, C1615, C1621, C1715,
C1721
10%
1UF
402
CERM
6.3V
10%
1UF
402
CERM
6.3V 6.3V
X5R
0201
0.22UF
20%
6.3V
X5R
0201
0.22UF
20%
402
10%
1UF
CERM
6.3V
6.3V
X5R
0201
0.22UF
20%
6.3V
X5R
0201
0.22UF
20%
6.3V
X5R
0201
0.22UF
20%
603
10UF
X5R
6.3V
20%
0610
20%
4V
X5R-CERM
4.3UF
603
10UF
X5R
6.3V
20%
0610
20%
4V
X5R-CERM
4.3UF
01005
10%
6.3V
X5R
0.01UF
01005
10%
6.3V
X5R
0.01UF
01005
10%
6.3V
X5R
0.01UF
01005
10%
6.3V
X5R
0.01UF
01005
0.01UF
X5R
6.3V
10%
0201
0.22UF
X5R
6.3V
20%
0201
20%
6.3V
X5R
0.22UF
0201
20%
6.3V
X5R
0.22UF
0201
20%
6.3V
X5R
0.22UF
0201
0.22UF
X5R
6.3V
20%
0201
0.22UF
X5R
6.3V
20%
01005
10%
0.01UF
6.3V
X5R
4.3UF
0610
4V
X5R-CERM
20%
10UF
603
6.3V
X5R
20%
X5R-CERM
0610
4.3UF
4V
20%
0201
20%
6.3V
X5R
0.22UF
0402-1
CERM-X5R
10UF
6.3V
20%
0201
0.22UF
X5R
6.3V
20%
6.3V
X5R
0201
0.22UF
20%
56PF
5%
NP0-C0G
01005
6.3V
6.3V
X5R
0201
0.22UF
20%
6.3V
X5R
0201
0.22UF
20%
6.3V
X5R
0201
0.22UF
20%
6.3V
X5R
0201
0.22UF
20%
0
5%
NAND_IO_1V8
MF
1/20W
201
NAND_IO_3V3
MF
1/20W
0
5%
201
H4G
FCBGA
OMIT
FCBGA
H4G
OMIT
01005
5%
6.3V
NP0-C0G
56PF
01005
56PF
NP0-C0G
6.3V
5%
01005
NP0-C0G
5%
56PF
6.3V
01005
NP0-C0G
5%
56PF
6.3V
01005
NP0-C0G
5%
56PF
6.3V
01005
NP0-C0G
5%
56PF
6.3V
56PF
5%
NP0-C0G
01005
6.3V
6.3V
X5R
0201
0.22UF
20%
0610
20%
4V
X5R-CERM
4.3UF
0610
20%
4V
X5R-CERM
4.3UF
0201
0.22UF
X5R
6.3V
20%
6.3V
X5R
0201
0.22UF
20%
0201
0.22UF
X5R
6.3V
20%
4V
X5R-CERM
0610
4.3UF
20%
6.3V
X5R
0201
0.22UF
20%
0610
20%
4V
X5R-CERM
4.3UF
603
10UF
6.3V
X5R
20%
0610
4.3UF
X5R-CERM
4V
20%
0201
0.22UF
X5R
6.3V
20%
0201
20%
6.3V
X5R
0.22UF
0201
20%
6.3V
X5R
0.22UF
01005
10%
6.3V
X5R
0.01UF
6.3V
X5R
0201
0.22UF
20%
0201
0.22UF
X5R
6.3V
20%
6.3V
X5R
0201
0.22UF
20%
6.3V
X5R
0201
0.22UF
20%
0610
4.3UF
X5R-CERM
4V
20%
6.3V
X5R
0201
0.22UF
20%
6.3V
X5R
0201
0.22UF
20%
6.3V
X5R
0201
0.22UF
20%
6.3V
X5R
0201
0.22UF
20%
6.3V
X5R
0201
0.22UF
20%
6.3V
X5R
0201
0.22UF
20%
X5R-CERM
4V
0610
4.3UF
20%
0610
4V
4.3UF
X5R-CERM
20%
4.3UF
X5R-CERM
4V
0610
20%
6.3V
56PF
5%
NP0-C0G
0100501005
NP0-C0G
5%
56PF
6.3V
6.3V
X5R
0201
0.22UF
20%
138S0657138S0702
QTY 17 RADAR:8837828
C1100,C1102
SYNC_MASTER=MIKE
SYNC_DATE=N/A
AP: POWER
=PPVDD_SOC_H4
=PPVDD_CPU_H4
=PPVDD_SOC_H4
=PP1V2_VDDIOD_H4
=PP3V0_VDDIOD_H4
MAX_NECK_LENGTH=3 MM
VOLTAGE=1.8V
NET_SPACING_TYPE=PWR
MIN_NECK_WIDTH=0.1MM
MIN_LINE_WIDTH=0.2MM
PPIO_NAND_H4
=PP1V8_VDDIOD_H4
=PP1V8_VDDIO18_H4
=PP3V0_IO_H4
=PP1V8_NAND_H4
=PP3V3_NAND_H4
C1197
1
2
C1196
1
2
C1192
1
2
C1195
1
2
C1124
1
2
C1132
1
2
C1131
1
2
C1122
1
2
C1121
1
2
C1130
1
2
C1129
1
2
C1191
1
2
C1194
1
2
C1103
1
2
C1102
1
2
C1111
1
2
C1110
1
2
C1109
1
2
C1104
1
2
C1108
1
2
C1159
1
2
C1160
1
2
C1161
1
2
C1162
1
2
C1163
1
2
C1164
1
2
C1165
1
2
C1166
1
2
C1154
1
2
C1155
1
2
C1156
1
2
C1152
1
2
C1151
1
2
C1184
1
2
C1170
1
2
C1171
1
2
C1174
1
2
C1173
1
2
C1172
1
2
C1183
1
2
C1181
1
2
C1182
1
2
C1101
1
2
C1100
1
2
C1123
1
2
C1117
1
2
C1105
1
2
C1107
1
2
C1106
1
2
C1126
1
2
C1125
1
2
C1135
1
2
C1134
1
2
C1133
1
2
C1138
1
2
C1137
1
2
C1136
1
2
C1150
1
2
C1153
1
2
C1157
1
2
C1158
1
2
C1175
1
2
C1190
1
2
C1193
1
2
C1177
1
2
C1176
1
2
C1199
1
2
C1198
1
2
R1100
12
R1101
12
U0600
AA9
AA11
AC11
U25
U27
V10
V12
V14
V16
W9
W11
W13
W15
AD10
W17
Y10
Y12
Y14
Y16
AE11
AF10
AF11
AF12
AG10
AG11
AG12
AG13
AA13
J13
J15
J17
J19
J21
J23
J25
J27
K12
K14
AA15
K16
K18
K20
K22
K24
K26
L9
L11
L13
L15
AA17
L17
L19
L21
L23
L25
L27
M10
M12
M14
M16
AB10
M18
M20
M22
M24
M26
N9
N11
N13
N15
N17
AB12
N19
N21
N23
N25
N27
P10
P12
P14
P16
P18
AB14
P20
P22
P24
P26
R9
R11
R13
R15
R17
R19
AB16
R21
R23
R25
R27
T10
T12
T14
T16
T18
T20
AC9
T22
T24
T26
U11
U13
U15
U17
U19
U21
U23
U0600
AA19
AA21
AC19
AC21
AC23
AC25
AC26
AC27
AD18
AD20
AD22
AD24
AA23
AD26
AE19
AE21
AE23
AE25
AE27
V18
V20
V22
V24
AA25
V26
W19
W21
W23
W25
W27
Y18
Y20
Y22
Y24
AA27
Y26
AB18
AB20
AB22
AB24
AB26
N29
AJ17
AJ22
AJ25
AJ26
T8
V28
V8
AF15
AJ28
M29
N28
Y8
AH20
AK20
AL19
AK30
AH29
AE29
AF29
AB29
AC29
AA7
AB7
AJ10
AJ11
G7
G8
G9
G10
G12
G13
G14
G15
AC7
G16
H7
J7
K7
L7
M7
P7
R7
AD7
AF7
AG7
AH7
AJ7
AJ8
AJ9
C1140
1
2
C1141
1
2
C1142
1
2
C1144
1
2
C1143
1
2
C1145
1
2
C1146
1
2
051-8773
10.0.0
11 OF 157
9 OF 48
9
35
35
9
35
8
35
35
6
45
5
35
35
7
35
35
35
![](https://csdnimg.cn/release/download_crawler_static/9163133/bga.jpg)
IN
OUT
OUT
OUT
IN
IN
OUT
OUT
Apple Inc.
THE INFORMATION CONTAINED HEREIN IS THE
PROPRIETARY PROPERTY OF APPLE INC.
124578
B
D
87 6 5 4 3
C
B
A
NOTICE OF PROPRIETARY PROPERTY:
PAGE
12
D
A
C
PAGE TITLE
SHEET
IV ALL RIGHTS RESERVED
R
D
SIZE
DRAWING NUMBER
REVISION
BRANCH
6 3
THE POSESSOR AGREES TO THE FOLLOWING:
I TO MAINTAIN THIS DOCUMENT IN CONFIDENCE
III NOT TO REVEAL OR PUBLISH IT IN WHOLE OR PART
II NOT TO REPRODUCE OR COPY IT
0101
0100
J2A DEV
J2A AP
1111 RESERVED
1101 FMI0/1 4/4 CS
010
CURRENT SETTING ->
001
011
EVT
PROTO 2
100
0100 FMI0 2CS
0010 SPI0 W/TEST
0011 SPI1 W/TEST
0000 SPI0
0101 FMI0 4CS
0111 RESERVED
1000 FMI1 2 CS
BOOT_CONFIG[3:0]
0110 FMI0 4CS W/TEST
1010 FMI1 4CS W/TEST
1001 FMI1 4 CS
1100 FMI0/1 2/2 CS
FOR REFERENCE
0001 SPI1
PROTO 1 CHINA
PROTO 1 LOCAL
3. READ
BOARD REVISION
PROTO 0
000
BRD_REV[2-0]
1110 FMI0/1 4/4 CS W/TEST
2. ENABLE PU AND DISABLE PD
1. SET GPIO AS INPUT
S/W READ FLOW
0001
J2 DEV
J2 AP
J1 AP
0000
BOARD_ID[2]
BOARD_ID[1]
BOARD_ID[0]
BOARD_ID[3-0]
J1 DEV
BOARD_ID_3
BOARD ID
DEVELOPMENT_JTAG
2-WIRE DAP
SCAN DUMP
JTAG_DAP
PRODUCTION
3. READ
3. READ
JTAG_DAP
DEVELOPMENT_JTAG
S/W READ FLOW
JTAG
I2C PULL-UPS
0010
0011
1. SET GPIO AS INPUT
1110
1101
1100
FMI0/1 4/4 CS
BOOT_CONFIG[3-0]
BOOT_CONFIG[3] (GPIO29)
BOOT_CONFIG[0] (GPIO18)
BOARD_ID[3]
2. DISABLE PU AND ENABLE PD
FMI0/1 4/4 CS WITH TEST
FMI0/1 2/2 CS
BOOT_CONFIG[1] (GPIO25)
BOOT_CONFIG[2] (GPIO28)
S/W READ FLOW
BOOT CONFIG ID
2. DISABLE PU AND ENABLE PD
DEVELOPMENT_JTAG_TAP
1. SET GPIO AS INPUT
MF
5%
01005
1/32W
10K
J2
4
42
4
42
4
10 42 45
11 27 43
11 27 43
11 27 43
4
4
10 42 45
201
5%
1/20W
10K
MF
5%
1/20W
10K
201
MF
1/32W
MF
5%
01005
10K
NOSTUFF
5%
01005
1/32W
MF
DEV
10K
J2A
1/32W
10K
MF
5%
01005
SHORT-01005
NOSTUFF
SHORT-01005
NOSTUFF
NOSTUFF
SHORT-01005
100K
MF
1/32W
01005
5%
01005
5%
MF
1/32W
10K
1.00K
5%
1/32W
MF
01005
1.00K
5%
1/32W
MF
01005
1.00K
1/32W
MF
01005
5%5%
01005
MF
1/32W
1.00K
5%
1/32W
MF
01005
1.00K
5%
1/32W
MF
1.00K
01005
NOSTUFF
201
5%
MF
1/20W
10K
JTAG_DAP
100
DEVELOPMENT_JTAG_TAP
1/32W
0.00
0%
MF
01005
1/32W
0.00
0%
MF
DEVELOPMENT_JTAG_TAP
01005
100
JTAG_DAP
1/32W
0.00
0%
MF
DEVELOPMENT_JTAG_TAP
01005
1/20W
10K
MF
201
5%
201
MF
1/20W
5%
10K
NOSTUFF
MF
10K
201
5%
1/20W
SYNC_DATE=N/A
AP: MISC & ALIASES
SYNC_MASTER=ALEX
=PP1V8_H4
PP3V0_SENSOR_FLT
I2C0_SCL_1V8
I2C1_SDA_1V8
I2C2_SDA_3V0_ALS
I2C1_SCL_1V8
AP_TESTMODE
BOARD_ID_1
BOOT_CONFIG_1
BOOT_CONFIG_2
=PP1V8_H4
=PP1V8_H4
BOOT_CONFIG_0
BOOT_CONFIG_3
JTAG_AP_TRST_L
AP_FAST_SCAN_CLK
VIDEO_EMI_C_Y
VIDEO_EMI_Y_PR
VIDEO_EMI_CVBS_PB
JTAG_AP_TDO
JTAG_AP_TDI
JTAG_AP_TRST_L
AP_TST_STPCLK
JTAG_AP_SEL
AP_HOLD_RESET
USB_AP_VBUS1
BOARD_ID_2
I2C2_SCL_3V0_ALS
I2C0_SDA_1V8
BOARD_ID_0
GPIO42_BRD_REV2
GPIO41_BRD_REV1
GPIO40_BRD_REV0
R1205
1
2
R1202
1
2
R1210
12
R1212
12
R1213
12
R1211
12
R1214
12
R1207
1
2
R1208
1
2
R1209
1
2
R1201
1
2
R1200
1
2
R1203
1
2
R1206
1
2
R1204
1
2
XW1201
12
XW1200
12
XW1202
12
R1260
12
R1261
12
R0706
1
2
R0705
1
2
R0704
1
2
R0703
1
2
R0702
1
2
R0701
1
2
051-8773
10.0.0
12 OF 157
10 OF 48
4 7
10 35
24 26 45
5
19 22 37 42
5
25 42
24 25 42
5
25 42
4
5
5
5
4 7
10 35
4 7
10 35
5
5
4
4
4
4
5
24 25 42
5
19 22 37 42
5
5
5
5
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