Nvidia Gpio Level Shift - Clevo N870HK1 Service Manual

NVIDIA GPIO Level Shift

1 2
3.3VS
C868 0.1u_10V_X7R_04
1V8 in 3V3 out
1
16 GPIO1_GC6_FB_EN
4
2
U177
SN74LV1T08DCKR R759
*100K_04
A
GC6_FB_EN
VR Complex
1V8_MAIN_EN
B GPU_PWR_EN
GPU_EVENT#
GPU GPU_RST#
SYS_PEX_RST_MON#
PLATFORM_RST#
GPU_PEX_RST_HOLD#
GC6 2.1 Control Signals
1.1V8_MAIN_EN
2.GC6_FB_EN
3.GPU_EVENT#
4.GPU_PEX_RST_HOLD#
5.SYS_PEX_RST_MON#
GPU_PEX_RST#
GPU_PWR_EN
C
EN PGOOD GC6 2.1 - VR Complex
(SYSTEM)
1. GPU_PWR_EN
1V8_AON
2. 1V8_MAIN_EN
1V8_AON
3. GC6_FB_EN
PGOOD
EN
1V8_MAIN_EN 1V8_MAIN
GPU
D
GC6_FB_EN
1 2
3 4 5
1V8_AON
NVIDIA GPIO LEVEL SHIFT
R760
10K_04
DP_E
GC6_FB_EN 17,28,42
16 IFPE_HPD_R#
FROM 8330B_RE
B R763 100K_04
Q65
BTN3904
M-SOT23-CBE
1V8_AON
1V8_MAIN
NVVDD
NVVDDS
PEX&1.05V
FBVDD/Q
EC/PCH
POWER RAIL
1V8_AON
1V8_MAIN
PEX&1.05V
NVVDD
NVVDDS
FBVDD/Q
net PCH_GPIO
DGPU_PWR_EN (GPP_F23)
GPPG8_PCH_1V8RUN_EN (GPP_G8)
GPPG9_PCH_NV3V3_EN (GPP_G9)
EN PGOOD
PEX&1.05V
GPPG10_PCH_NVVDD_EN (GPP_G10)
GPPG11_PCH_NVVDDS_EN (GPP_G11)
EN PGOOD
GPPG0_PCH_PEXVDD_EN (GPP_G0)
NVVDD
EN PGOOD
8,9,17,20,21,22,23,24,26,27,28,29,30,32,34,35,38,39,40,41,42,43,44,49,53,54,55,56
FBVDD/Q
3 4 5
6 7
3.3VS
3.3VS
R757
*100K_04
R758
Q63A
*100K_04
28 DGPU_PWRGD_R
*MTDK3S6R
D
G 2
MDP_E_HPD 21,28 S
Q63B
D *MTDK3S6R
G 5
S
R838 0_04
3.3VS
3.3VS
R761
100K_04
R762
Q64A 100K_04
27 GPIO4_1V8_MAIN_EN_R
MTDK3S6R
D
D02
G 2
S
Q64B
MTDK3S6R
D
G 5
S
State in GC6
ON
OFF
OFF
OFF
OFF
ON
DG P.93 note: t1(from 1V8_RUN_EN to PEX_VDD/NVVDD_PG) must NOT exceed 4ms.
N17E POWER ON SEQUENCE POWER OFF SEQUENCE
Voltage
(1V8_AON)
(1V8_MAIN)
(NV3V3)
(NVVDD)
(NVVDDS)
(PEX_VDD)
FBVDDQ
10,16,17,28,53,54,55,56 1V8_AON
3.3VS
Title Title Title
[18] NVIDIA GPIO LEVEL SHIFT [18] NVIDIA GPIO LEVEL SHIFT [18] NVIDIA GPIO LEVEL SHIFT
Size Size Size Document Document Document Number Number Number
6-71-N85H0-D01 6-71-N85H0-D01 6-71-N85H0-D01
A3 A3 A3 SCHEMATIC1 SCHEMATIC1 SCHEMATIC1
Date : Date : Date : Tuesday, October 11, 2016 Tuesday, October 11, 2016 Tuesday, October 11, 2016
6 7
Schematic Diagrams
8
D02
A
1V8_AON
DGPU_PWRGD 17,55
Sheet 18 of 63
NVIDIA GPIO Level
Shift
GPIO4_1V8_MAIN_EN 16,17
B
C
D
R e v R e v R e v
D01 D01 D01
Sheet Sheet Sheet 18 18 18 o f o f o f 63 63 63
8
NVIDIA GPIO Level Shift B - 19