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DT10 Hardware Manual
Copyright © 2012-2014 Heartland. Data Inc.
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2. Hardware spec. of Connect Box A
2.1. Appearance (top)
2.2. Supported connection methods
Connect Box A supports the following connection methods:
Async Bus
: Async bus connection.
GPIO
: GPIO (4bit / 2bit) bus output method connection.
SPI
: SPI output bus method connection.
SD I/F
: Connection that supports the SD interface.
2.3. Electric spec.
Recommended operating condition (Connect Box A)
Name
Description
MIN
TYP
MAX
UNIT
VIH
High-level input voltage
2.37
V
VIL
Low-level input voltage
0.99
V
VI
Input voltage
0
5.5
V
RIN
Input resistance
100
KΩ
・
VIH/VIL/VI/RIN is the spec. of the probe and FPC cable.
8pin probe connection terminal
FPC cable connection terminal