ViewSonic VS15197 Service Manual page 55

PMU-TPS659110 1/3
VDD_1V8_SYS
VDD_1V8_SYS
U83
DMN2400UV-7
0.1uF/16V_4 C633
3 4
R114 1.8K/F_4 2 5 4.7K_4
1 6 SC_SYS_RSTIN_3V3
R115
0_4
VDD_1V8_PMU_VRTC
For debug mode
47K
2
25 SYS_RESET_IN
10K
Q18
C363 DTA114YUA
10p/50V_4
30 ONKEY*
VDD_5V0_SBY
VDD_1V8_SYS
14 AP_ONKEY*
ViewSonic Corporation
VDD_3V3_SCALER
R113 VDD_1V8_SYS VDD_1V8_SYS
SC_SYS_RSTIN_3V3 33
R567 R568
10K_4 10K_4
4,40 PWR_I2C_SCL_1V8
4,40 PWR_I2C_SDA_1V8
4 CPU_PWR_REQ
*PAD T145
4,11 CORE_PWR_REQ
4 PMU_INT*
*PAD
T144
4 AP_OVERHEAT*
VDD_1V8_PMU_VRTC VDD_1V8_PMU_VRTC
R572 R573
*100K_4 *100K_4
R938 100K_4
R939 100K_4
R576
0_4
VDD_5V0_SBY
Q19
4 3
R577
0_4
ONKEY* 5 2
R579 100K_4 6 1
UMD2N R580
*14.3K
Footprint need to check
DNP 0.1%
RC0402
COMMON
TP_PMU_TESTV
*PAD
T149
Note: use a STAR connection from the source
U44C
bga98-texas-ptps659110a2zrcr
COMMON
1/3
(Logic)
OSC32KOUT
(VRTC)
M4
PWR_I2C_SCL_1V8
SCL (VDDIO)
PWR_I2C_SDA_1V8 M5
SDA
(VDDIO)
CPU_PWR_REQ M7
EN1 (VDDIO)
TP_PMU_EN2 M6
EN2 (VDDIO) (VRTC)
F1
CORE_PWR_REQ
SLEEP (VDDIO)
(VCC7)
(VRTC/OD)
(VRTC/OD)
PMU_INT* L3
INT1 (VDDIO)
(VRTC/OD)
N1
TP_PMU_PWRHOLD
PWRHOLD (VRTC) (VRTC/OD)
AP_OVERHEAT* N2
PWRDN
(VRTC)
L6
HDRST (VRTC)
(internal PD 200k ~ 400k)
ACOK_PMU H7
GPIO4
(VRTC/OD) (VRTC/OD)
G6
GPIO5 (VRTC/OD) (VRTC/OD)
PMU_ONKEY* E4
PWRON (VCC7) (VDDIO)
(VDDIO) NRESPWRON
NRESPWRON2
(VRTC/OD)
(VBACKUP)
PMU_VCCS E8
VCCS
(VCC7)
VDD_1V8_PMU_VRTC
R578
(Input)
10K_4
PMU_BOOT1
J5
BOOT1 (VRTC)
0 = Hardcode
R581
1 = EEPROM
DNP
*0_4
(Input)
PMU_TESTV
R582 1K/F_4 B8
TESTV
(VCC7)
D6
AGND1
E6
AGND2 (In/Out)
E5
AGND3
F5
AGND4
G4
AGND5
H6
AGND6
J3
AGND7
J4
AGND8
J6
AGND9
K3
AGND10
H5
AGND11
(Ouput)
M8
AGND21
N8
AGND22
A1
DGND1
B1
DGND2
B2
DGND3
PMU_AGND
R710 0_6
R709 0_6
R711 0_6
R712 0_6
PMU_AGND
54
Confidential - Do Not Copy
PMU_OSC32KOUT
Y5
32.768KHZ
1 2
PMU_OSC32KIN
C361 C362
22p/50V_4 22p/50V_4
F7
PMU_AGND PMU_AGND
VDD_5V0_SBY VDD_5V0_SBY VDD_5V0_SBY
F8
OSC32KIN
R920 R569 R921
100K_4 100K_4 100K_4
L5 EN_5V_CHARGEPUMP
GPIO0
L4 EN_DDR_BUCK
GPIO7
K5 EN_5V0_BUCKBOOST
GPIO8
L2 EN_VDD_SOC
GPIO2
G3
EN_3V3_SYS
GPIO6
R571
F6 PMU_LED1*
GPIO1
T146
B7 PMU_LED2*
GPIO3 T147
F4 PMU_CLK32K_0 R574 33_4 PMU_CLK_32K
CLK32KOUT
H4 PMU_RESET_OUT_1V8*
C7 PMU_RESET_OUT_3V3*
T148
R575 1.1K/F_4
D7 PMU_VBACKUP CN16
VBACKUP BAT_COINCELL
50273-0027N-001
Note: 1.1K is not needed for this battery
1
2
VDD_1V8_SYS
N7
VDDIO
C364
4.7u/10V_6
VDD_5V0_SBY
B6
VCC7
C365
4.7u/10V_6
VDD_1V8_PMU_VRTC
1.8V 0.05A 10MIL
B5
VRTC
C366
2.2u/6.3V_4
VDD_0V85_PMU_VREF
0.85V 0.05A
G8
VREF
C367
10p/50V_4
G7
REFGND
PMU_AGND
VSD241/SD-A245/CDS245
VDD_5V0_SBY
R570
100K_4
EN_5V_CHARGEPUMP 40
EN_DDR_BUCK 35
EN_VDD_SOC 40
1K/F_4
JTAG_SRST* 25
PMU_CLK_32K 4
PMU_RESET_OUT_1V8* 4,19
RTC Battery
4
3