Table of Contents
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A.
The upper board (A)
D
C
USB:
J1
6
7
8
9
USB_CON8
B
J8
6
7
8
9
USB_CON8
USB<->UART:
A
VBUS
!
D
C
B
A
!
Espressif
Appendix - Schematics
5
4
IO32_ZL38063_SPI_HCLK
IO32_ZL38063_SPI_HCLK
2,4
IO33_ZL38063_SPI_HDIN
IO33_ZL38063_SPI_HDIN
2,4
IO0_ZL38063_SPI_HCS
IO0_ZL38063_SPI_HCS
2,4
IO27_ZL38063_SPI_HDOUT
IO27_ZL38063_SPI_HDOUT
2,4
IO19_ZL38063_RESETN
IO19_ZL38063_RESETN
2
IO5_ZL38063_I2S_SCKA
IO5_ZL38063_I2S_SCKA
2,4
IO25_ZL38063_I2S_WSA
IO25_ZL38063_I2S_WSA
2,4
I35_ZL38063_I2S_SDOA
I35_ZL38063_I2S_SDOA
2,4
IO26_ZL38063_I2S_SDIA
2,4
IO26_ZL38063_I2S_SDIA
IO23_SCL
4
IO23_SCL
IO18_SDA
IO18_SDA
4
IO21_LDO_CTRL
IO21_LDO_CTRL
4
IO22_PA_EN
IO22_PA_EN
3
TXD0
TXD0
4
RXD0
RXD0
4
IO12
IO12
4
IO13
IO13
4
IO14
IO14
4
IO15
IO15
4
IO2
IO2
4
IO0_Boot
IO0_Boot
4
IO4
IO4
4
EN
EN
4
I39_Button_Array
I39_Button_Array
4
I34_MicroSD_DET
I34_MicroSD_DET
4
Charge Circuit:
VBUS
VUSB
1
D1
1N5819
GND
VBUS
2
GND
D-
3
GND
D+
4
D2
GND
NC
5
LESD5D5.0CT1G
GND
GND
GND
VBUS
1
R168
0R(5%)(NC)
GND
VBUS
2
D-
USB_DN
GND
D-
3
D+
USB_DP
GND
D+
4
GND
NC
5
D3
D4
GND
LESD5D5.0CT1G
LESD5D5.0CT1G
R38
0R(5%)
RXD0
GND
GND
GND
0R(5%)
TXD0
R39
U6
VDD33
GND
1
21
R40
DCD
NC10
2
20
RI
NC9
3
19
GND
NC8
0R(5%)
USB_DP
4
18
D+
NC7
USB_DN
5
17
D-
NC6
REGIN
6
16
VDD
NC5
7
15
REGIN
NC4
C14
C15
1uF/25V(10%)
0.1uF/16V(10%)
CP2102N-A01-GQFN28
GND
1
TP25
CP_VBUS
1
TP26
R175
22.1K(5%)
R44
5.1K(5%)(NC)
VDD33
C16
C17
R176
1uF/25V(10%)
0.1uF/16V(10%)
47.5K(5%)
GND
GND
5
4
5
4
ZL38063_3V3
IO32_ZL38063_SPI_HCLK
C18
0.1uF/16V(10%)
IO32_ZL38063_SPI_HCLK
1,4
DSP_GND
IO33_ZL38063_SPI_HDIN
IO33_ZL38063_SPI_HDIN
1,4
IO0_ZL38063_SPI_HCS
IO0_ZL38063_SPI_HCS
1,4
IO27_ZL38063_SPI_HDOUT
ZL38063_3V3
8
IO27_ZL38063_SPI_HDOUT
1,4
U7
VCC
SCLK
R46
10K(5%)
7
IO19_ZL38063_RESETN
HOLD
R55
10K(5%)
3
IO19_ZL38063_RESETN
1
WP
SO/SIO1
SI/SIO0
IO33_ZL38063_I2S_SCKA
GND
IO5_ZL38063_I2S_SCKA
1,4
IO25_ZL38063_I2S_WSA
1,4
W25Q16JVSNIQ
IO25_ZL38063_I2S_WSA
4
I35_ZL38063_I2S_SDOA
1,4
I35_ZL38063_I2S_SDOA
IO26_ZL38063_I2S_SDIA
1,4
IO26_ZL38063_I2S_SDIA
DSP_GND
ZL38063_DAC1_P
ZL38063_DAC1_P
3,4
ZL38063_DAC1_M
ZL38063_DAC1_M
3
ZL38063_DMIC_CLK
ZL38063_DMIC_CLK
4
ZL38063_DMIC_IN1
ZL38063_DMIC_IN1
4
ZL38063_DMIC_IN2
ZL38063_DMIC_IN2
4
ZL38063_LDO_EN
ZL38063_LDO_EN
4
TP15
1
DSP.1:Interface
Power Supply for DSP:
VCC_For_LDO
U9
TPS73601DBVR@400mA
L4
3A@120ohm(25%),25mohm
1
5
VIN
OUT
R103
R104
C32
3
4
R1
EN
NR/FB
10K(5%)
52.3K(1%)
C39
C40
R106
R2
10K(5%)(NC)
DSP_GND
DSP_GND
DSP_GND
DSP_GND
Notes:
1.Vout=1.204*(1+R1/R2)=3.296V;
R1=52.3K,R2=30.1K are recommended for better performance.
2.RT9043GB from RichTek for second source.
ZL38063_3V3
U10
TPS73601DBVR@400mA
L7
3A@120ohm(25%),25mohm
1
5
VIN
OUT
R107
R108
C50
3
4
R1
EN
NR/FB
10K(5%)
0R(5%)
C53
ZL38063_1V2_EN
C54
R110
R2
10K(5%)(NC)
DSP_GND
DSP_GND
DSP_GND
DSP_GND
Notes:
1.Vout=1.204*(1+R1/R2)=1.204V;
R1=short,R2=open are recommended for better performance.
2.RT9043GB from RichTek for second source.
5
4
3
ESP32 Module:
The blue NETNAME means 1.8V level.
The purple color means INPUT only.
VDD33
U2
ESP-WROOM-32(NC)
DGND
1
GND1
R1
0R(5%)
ESP_VDD33
2
3V3
EN
3
EN
GPI36
SENSOR_VP
4
SENSOR_VP
Package:0603.
C1
C2
GPI39
SENSOR_VN
5
SENSOR_VN
For Module Current
GPI34
6
test reserved.
IO34
GPI35
7
IO35
GPIO32
8
IO32
GPIO33
9
IO33
GPIO25
10
IO25
GPIO26
11
IO26
GPIO27
12
IO27
GPIO14
13
IO14
GPIO12
14
DGND
IO12
I36_VBAT_ADC
R2
0R(5%)
GPI36
VDD33
IO19_ZL38063_RESETN
R5
0R(5%)
GPIO19
I35_ZL38063_I2S_SDOA
R6
0R(5%)
GPI35
IO5_ZL38063_I2S_SCKA
R7
0R(5%)
GPIO5
R3
IO25_ZL38063_I2S_WSA
R8
0R(5%)
GPIO25
IO26_ZL38063_I2S_SDIA
R9
0R(5%)
GPIO26
10K(5%)
IO32_ZL38063_SPI_HCLK
R165
0R(5%)
GPIO32
IO23_SCL
IO33_ZL38063_SPI_HDIN
R166
0R(5%)
GPIO33
IO18_SDA
IO0_Boot
R22
0R(5%)
GPIO0
IO0_ZL38063_SPI_HCS
R167
0R(5%)
IO27_ZL38063_SPI_HDOUT
R10
0R(5%)
GPIO27
VBAT
IO23_SCL
R11
0R(5%)
GPIO23
IO18_SDA
R12
0R(5%)
GPIO18
IO12
R13
0R(5%)
GPIO12
R41
IO13
R16
0R(5%)
GPIO13
22K(5%)
IO14
R17
33R(5%)
GPIO14
IO15
R19
33R(5%)
GPIO15
I36_VBAT_ADC
IO4
R20
0R(5%)
GPIO4
IO2
R21
0R(5%)
GPIO2
C13
R42
10K(5%)
10nF/50V(10%)
IO22_PA_EN
R24
0R(5%)
GPIO22
IO21_LDO_CTRL
R26
0R(5%)
GPIO21
I39_Button_Array
R27
0R(5%)
GPI39
DGND
I34_MicroSD_DET
R28
0R(5%)
GPI34
EN
EN
TXD0
TXD0
RXD0
RXD0
Please keep this block,it directly shows Pin assignment.
If you wanna change Pin assignment,just revise this block.
VBUS
R32
1K(1%)
Accurary of R5 should be 1%.
R33
1K(1%)
R34
0R(5%)
TEMP
1
8
R35
0R(5%)
TEMP
CE
R36
1K(1%)
2
7
D5
RED LED
PROG
CHRG
3
6
R37
0R(5%)
GND
STDBY
4
5
D6
GREEN LED
VCC
BAT
9
PGND
U5
AP5056
C10
GND
VBAT
10uF/16V(20%)
J3
1
C11
C12
2
GND
GND
CON2
BATTERY
GND
R164
0R(5%)
GND
DGND
3
3
ZL38063_3V3
R45
Maximum frequency of master SPI clk = 8 MHz.
100K(5%)
U8A
6
ZL38063_SCLK
R47
33R(5%)
SM_CLK
1
SM_CLK
1
ZL38063_CSN
R48
33R(5%)
SM_CS
64
CS
GPIO_9/SM_CS
2
ZL38063_SO
R56
33R(5%)
SM_MISO
2
ZL38063_SI
SM_MOSI
SM_MISO
5
R49
33R(5%)
3
SPI Master
SM_MOSI
IO19_ZL38063_RESETN
SM_RESET
15
R50
33R(5%)
RESET
R52
IO32_ZL38063_SPI_HCLK
R51
33R(5%)
SM_HCLK
52
HCLK
IO0_ZL38063_SPI_HCS
R59
33R(5%)
SM_HCS
53
SPI/I2C
HCS
100K(5%)
IO33_ZL38063_SPI_HDIN
R60
33R(5%)
SM_HDIN
55
Slave
IO27_ZL38063_SPI_HDOUT
SM_HDOUT
HDIN
R54
33R(5%)
56
HDOUT
ZL38063_HINT
SM_HINT
57
R63
33R(5%)
HINT
IO5_ZL38063_I2S_SCKA
R65
33R(5%)
SM_I2S_SCKA
29
DSP_GND
PCLKA/I2S_SCKA
IO25_ZL38063_I2S_WSA
R67
33R(5%)
SM_I2S_WSA
30
TDM/I2S
FSA/I2S_WSA
IO26_ZL38063_I2S_SDIA
R69
33R(5%)
SM_I2S_SDIA
31
PortA
ZL38063_3V3
DRA/I2S_SDIA
I35_ZL38063_I2S_SDOA
R71
33R(5%)
SM_I2S_SDOA
32
DXA/I2S_SDOA
SM_I2S_SCKB
60
PCLKB/I2S_SCKB
R77
SM_I2S_WSB
61
TDM/I2S
FSB/I2S_WSB
SM_I2S_SDIB
62
PortB
DRB/I2S_SDIB
SM_I2S_SDOB
63
DXB/I2S_SDOB
10K(5%)
22
XI
Oscillator
C25
TXC:8Z-12.000MAAJ-T
23
XO
0.1uF/16V(10%)
12
CDAC
Y1
12MHz
C26
Reference
DSP_GND
13
C27
C28
CREF
C29
C30
ZL38063
DSP_GND
DSP_GND DSP_GND
TP21
TP22
1
TP23
1
TP24
1
1
JP8
SM_I2S_SDOA
1
R96
33R(5%)(NC)
1
10
SM_I2S_SDIA
R97
33R(5%)(NC)
2
2
9
SM_I2S_WSA
R98
33R(5%)(NC)
3
3
8
SM_I2S_SCKA
R99
33R(5%)(NC)
4
4
7
DSP_GND
5
R100
5
6
CON2X5_2P54(NC)
100K(5%)
DSP_GND
DSP_GND
DSP.2:Power
ZL38063_1V2
ZL38063_3V3
ZL38063_3V3
L3
3A@120ohm(25%),25mohm
C33
C34
C35
C36
C37
C31
0.1uF/16V(10%)
0.1uF/16V(10%)
0.1uF/16V(10%)
0.1uF/16V(10%)
ZL38063_3V3
ZL38063_1V2_EN
DSP_GND
L5
3A@120ohm(25%),25mohm
C41
0.1uF/16V(10%)
DSP_GND
DSP_GND
L6
3A@120ohm(25%),25mohm
C42
C43
C44
C45
C46
ZL38063_1V2
DSP_GND
C51
C52
L8
3A@120ohm(25%),25mohm
Notes:
1.EXT_SEL： VDD +1.2 V Select. Select external +1.2 V supply. Tie to DVDD33 if
the +1.2 V supply is to be provided externally. Tie to VSS (0 V) if the +1.2
supply is to be generated internally.
DSP_GND
2.VDD12_CTRL： VDD +1.2 V Control. Analog control line for the voltage regulator
external FET when EXT_SEL is tied to VSS. When EXT_SEL is tied to DVDD33, the
VDD12_CTRL pin becomes a CMOS output which can drive the shutdown input of an
external LDO.
3.Please place one 0.1uF/10V(20%) CAP close to each of the Power Pins.
3
!
12
/15
2
1
U3
39
P_GND
39
DGND
1
38
DGND
P_GND
GND1
GND3
38
DGND
ESP_VDD33
2
37
GPIO23
GND3
3V3
IO23
37
GPIO23
EN
3
36
GPIO22
IO23
EN
IO22
36
GPIO22
GPI36
SENSOR_VP
4
35
TXD0
IO22
SENSOR_VP
TXD0
35
TXD0
GPI39
SENSOR_VN
5
34
RXD0
TXD0
SENSOR_VN
RXD0
34
RXD0
GPI34
6
33
GPIO21
RXD0
IO34
IO21
33
GPIO21
GPI35
7
32
NC3
IO21
IO35
NC
32
NC3
GPIO32
8
31
GPIO19
NC
IO32
IO19
31
GPIO19
GPIO33
9
30
GPIO18
IO19
IO33
IO18
30
GPIO18
GPIO25
10
29
GPIO5
IO18
IO25
IO5
29
GPIO5
GPIO26
11
28
GPIO17_NC
IO5
IO26
NC2
28
GPIO17_NC
GPIO27
12
27
GPIO16_NC
IO17
IO27
NC1
27
GPIO16_NC
GPIO14
13
26
GPIO4
IO16
IO14
IO4
26
GPIO4
GPIO12
14
25
GPIO0
IO4
IO12
IO0
25
GPIO0
DGND
15
24
GPIO2
IO0
GND2
IO2
GPIO13
16
23
GPIO15
IO13
IO15
SD2
17
22
SD1
SD2
SD1
SD3
18
21
SD0
SD3
SD0
CMD
19
20
CLK
CMD
CLK
ESP32_WROVER
U16
ESP_VDD33
2
R229
0R(5%)
RESET#
R230
0R(5%)
3
VCC
R232
R4
R231
0R(5%)(NC)
1
100K(5%)
GND
IMP809REUR/T(2.63V)
10K(5%)
VBAT
DGND
Power Supply For ESP32:
ESP_VDD33
VDD33
R14
VCC_For_LDO
U4
TPS79633DCQR
2
4
VIN
OUT
10K(5%)
EN
1
5
R15
C3
R18
EN
NR/FB
C6
10K(5%)
51K(1%)(NC)
15pF/50V(5%)(NC)
0.1uF/16V(10%)
C4
10uF/16V(20%)
DGND
R23
R25
DGND
10K(5%)(NC)
10nF/50V(10%)
DGND
DGND
DGND
Power Switch:
VCC_PRE
VUSB
VCC
R29
0R(5%)
R182
1K(1%)
GND
C7
VBAT
10uF/16V(20%)
Q1
C8
C9
J2
AO3401
VBUS
GND
SK12D07
22uF/10V(20%)
0.1uF/16V(10%)
R30
100K(5%)
R31
GND
100K(5%)
GND
When USB is plugged in,VCC will be only powered by USB.
Otherwise, VCC is powered by VBAT.
L1
3A@120ohm(25%),25mohm
VCC_For_Audio
VCC
L2
3A@120ohm(25%),25mohm
VCC_For_LDO
Title
Title
Title
01_Power_ESP32
01_Power_ESP32
01_Power_ESP32
Size
Size
Size
Document Number
Document Number
Document Number
C
C
C
<Doc>
<Doc>
<Doc>
Date:
Date:
Date:
Friday, February 23, 2018
Friday, February 23, 2018
Friday, February 23, 2018
Sheet
Sheet
Sheet
1
1
1
2
1
2
1
7
C21
1uF/25V(10%)
ZL38063_DAC1_P
ZL38063_3V3
DAC1_P
6
C22
1uF/25V(10%)
ZL38063_DAC1_M
DAC1_M
ANALOG OUT
ZL38063_DAC2_P
8
C23
1uF/25V(10%)
1
TP3
DAC2_P
9
ZL38063_DAC2_M
1
C19
1uF/25V(10%)
TP4
DAC2_M
18
R58
33R(5%)
ZL38063_DMIC_CLK
DMIC_CLK
DIGITAL
19
ZL38063_DMIC_IN1
DMIC_IN1
20
ZL38063_DMIC_IN2
MIC IN
DMIC_IN2
33
ZL38063_GPIO0
R62
33R(5%)
GPIO_0
34
R64
33R(5%)
ZL38063_GPIO1
GPIO_1
36
R66
33R(5%)
ZL38063_GPIO2
GPIO_2
37
R68
33R(5%)
ZL38063_GPIO3
1
TP5
GPIO_3
38
R70
33R(5%)
ZL38063_GPIO4
1
TP6
R73
GPIO_4
TP7
39
R72
33R(5%)
ZL38063_GPIO5
1
GPIO_5
ZL38063_GPIO6
TP8
GPIO
40
R74
33R(5%)
1
GPIO_6
41
R75
33R(5%)
ZL38063_GPIO7
1
TP9
GPIO_7
43
R76
33R(5%)
ZL38063_GPIO8
1
TP10
3.3K(5%)(NC)
GPIO_8
44
R78
33R(5%)
ZL38063_GPIO10
1
TP11
GPIO_10
45
R79
33R(5%)
ZL38063_GPIO11
1
TP12
GPIO_11
47
R80
33R(5%)
ZL38063_GPIO12
1
TP13
GPIO_12
ZL38063_GPIO13
48
R81
33R(5%)
1
TP14
DSP_GND
GPIO_13
50
R82
33R(5%)
ZL38063_UART_RX
1
TP16
UART_RX
UART
49
R83
33R(5%)
ZL38063_UART_TX
1
TP17
ZL38063_3V3
UART_TX
TP18
R84
25
1
DM
27
1
USB
TP19
DP
26
1
TP20
RTN
10K(5%)
ZL38063_HINT
NC.Test Points Reserved.
R87
JP6
10K(5%)(NC)
ZL38063_UART_RX
1
1
ZL38063_UART_TX
2
2
DSP_GND
CON2X1_2P54
Notes:
1.HCLK:This input should be tied to VSS in I2C mode;
2.HCS:HBI I2C Serial Clock Input. This pin functions as the I2C_SCLK
input in I2C mode.
3.HDIN:This input selects the slave address in I2C mode,to VSS,I2C slave
10
address:0'b 100 0101=0x45H(7-bit).
TX
9
RX
4.HDOUT:HBI I2C Serial Data (Input/Output). This pin functions as the
8
I2C_SDA I/O in I2C mode.
7
6
5.Apply a 3.3 K? resistor from GPIO_2 to DVDD33,can set auto-boot from
external flash;if GPIO_2=0,Host boot(default).
DSP_GND
R101
10K(5%)
R102
10K(5%)(NC)
U8B
DSP_GND
ZL38063_EXT_SEL
17
EXT_SEL
4
DVDD12_1
14
DVDD12_2
24
DVDD12_3
C38
42
DVDD12_4
58
DVDD12_5
0.1uF/16V(10%)
16
VDD12_CTL
R105
0R(5%)
ZL38063_VDD12_CTL
28
VDD33_XO
5
DVDD33_1
21
DVDD33_2
35
DVDD33_3
46
DVDD33_4
51
DVDD33_5
59
DVDD33_6
10
AVDD33_1
11
AVDD33_2
C47
C48
C49
54
VSS
65
AGND
ZL38063
R109
0R(5%)
DGND
DSP_GND
DSP_GND
DSP_GND
Title
Title
Title
02_ZL38063
02_ZL38063
02_ZL38063
Size
Size
Size
Document Number
Document Number
Document Number
C
C
C
<Doc>
<Doc>
<Doc>
Date:
Date:
Date:
Friday, February 02, 2018
Friday, February 02, 2018
Friday, February 02, 2018
Sheet
Sheet
Sheet
2
2
2
2
1
Appendix A
D
EN
3.3V/1A
C
C5
22uF/10V(20%)
DGND
D16
RED LED
B
GND
A
R e v
R e v
R e v
V1
V1
V1
o f
o f
o f
4
4
4
D
TP27
1
C
B
A
R e v
R e v
R e v
V1
V1
V1
o f
o f
o f
4
4
4
2018.07
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