Schematics

ManualsBrandsSequent Microsystems ManualsMicrocontroller Accessories16 Universal Inputs 8-Layer Stackable HAT for Raspberry Pi

D D

C C

B B

A A

MOUNTING HOLES

SEQUENTMICROSYSTEMS.COM

MATING PLUGS

ID Jumpers2.5mm NUTS M2.5x5mm SCREWS

18mm STANDOFFS

REPLACE WITH C341706 FOR JLCPCB

ANTISTATIC BAG

13cm X 19cm

PLASTIC BAG

5cm X 10cm

BLOCK DIAGRAM

3.1

16 INPUTS

1 6Saturday, February 13, 2021

Title

Size Document Number Rev

Date: Sheet of

IO EXPANDER

+5V

GND

SDA

SCLIN[1:16]

INTN

RASP_RX

RASP_RX0

INPUTS 9-16

+5V

IN[1:16]

GND

INPUTS 1-8

+5V

IN[1:16]

GND

PI CONN

SDA

SCL

GND

INTN

RASP_RX0

RASP_RX

+5V

SDA

SCL

INTN

IN[1:16]

RASP_RX

RASP_RX0

5VIN

+5V+5V +5V

+5V

J81

KY15K

J31

KY15K

D17

LED

J41

KY15K

JMP2

BAG1

J51

KY15K

3A FUSE

R45

4.3K

KY15RB

J61

KY15K

N4 SC3

R10

SC4

N1 SC2

BAG2

S3 H1

JMP1

SC1

HX3400

Summary of content (5 pages)

PAGE 1
5 4 3 +5V 2 +5V 1 +5V D D IN[1:16] IN[1:16] SCL INTN GND INPUTS 1-8 +5V RASP_RX0 RASP_RX SDA +5V SDA SDA SCL SCL INTN INTN RASP_RX0 RASP_RX IO EXPANDER RASP_RX0 RASP_RX GND IN[1:16] B1 +5V B2 GND +5V B3 PI CONN B5 C GND +5V C IN[1:16] +5V INPUTS 9-16 J8 F1 J31 J41 J51 3A FUSE R45 J61 5VIN J81 1 1 2 2 D17 KY15RB 4.
PAGE 2
5 4 J3 INP1 2 D C 1 INN1 4 INP2 3 INN2 6 INP3 5 INN3 8 INP4 7 INN4 R1 J10 INJ1 R51 3 U2 10K INR1 1.2K 1 J11 INJ2 R52 R5 J12 INJ3 R53 R7 J13 INJ4 R54 10K D1 INR2 1.2K 10K 3 14 4 13 5 12 1.2K 6 11 7 10 8 9 R6 D3 INR4 1.2K 4.3K IN2 4.3K IN3 R8 D4 4.3K IN4 KY15RB INP5 2 R11 J14 INJ5 1 INN5 4 INP6 R55 R13 J15 INJ6 R56 U3 10K INR5 1.2K 10K 1.2K INP7 6 R15 J16 INJ7 5 INN7 8 INP8 7 INN8 R57 R17 J17 INJ8 R58 10K INR7 1.
PAGE 3
5 4 J5 INP9 2 D C 1 INN9 4 INP10 3 INN10 6 INP11 5 INN11 8 INP12 7 INN12 R21 J18 INJ9 10K R61 U4 INR9 1.2K 1 J19 INJ10 R62 R25 J20 INJ11 D9 INJ12 INR10 1.2K 10K R63 R27 J21 10K INR11 R64 3 14 4 13 5 12 6 11 7 10 8 9 1.2K 10uF C12 4.3K 10uF IN11 R28 D12 C13 4.3K 10uF IN12 KY15RB C14 10uF LTV-247 INP13 2 R31 J22 INJ13 1 INN13 4 INP14 J23 10K R65 R33 INJ14 U5 INR13 1.2K 10K R66 INP15 6 R35 INR14 1.
PAGE 4
5 4 3 2 1 D D +5V R40 R41 R42 U1 R9 24 VCC SCL 22 SCL SDA 23 SDA 21 A0 10K 10K 10K 10K ZERO C ONE 2 A1 TWO 3 A2 1 INTN 1 3 5 7 INTN RASP_RX J2 C1 GND 20 19 18 17 IN16 IN15 IN14 IN13 IO1_3 IO1_2 IO1_1 IO1_0 16 15 14 13 IN12 IN11 IN10 IN9 IO0_7 IO0_6 IO0_5 IO0_4 11 10 9 8 IN8 IN7 IN6 IN5 IO0_3 IO0_2 IO0_1 IO0_0 7 6 5 4 IN4 IN3 IN2 IN1 IN[1:16] C .
PAGE 5
4 3 2 +5V J1 D SDA SCL 3.3V 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 SDA SCL INTN C R44 GND SW1 4.3K RDPB 1 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 +5V D RASP_TX RASP_RX0 C PI-CONN 3.3V R43 U6 4.3K R19 RASP_RX 100 485_RX B 1 RO VCC 8 2 RE B 7 3 RASP_TX R20 100 485_TX 4 DE DI A 6 GND 5 J7 R30 10 RS485B R39 10 RS485A 2 1 J71 2 1 1 2 KY15RB B KY15K C2 R29 GND Q1 4.3K SP3485 D18 .