Cinterion
®
Java Terminal Hardware Interface Description
4.2 Electrical Specifications of the Application Interface
52
PLS62T-W_HID_v01
2018-06-20
Confidential / Prelimenary
Page 43 of 91
4.2.4
GPIO Interface
Table 21:
GPIO interface specifications (requirements)
Function
Signal name
IO
Signal form and level
Comment
8-pin, 12-
pin connec-
tors for:
GPIO,
Power,
I
2
C and
ASC1, SPI
GPIO 6-8
GPIO 11-13
GPIO 20-21
GPIO22-23
IO
V
OL
max = 0.1V at I = 100µA
V
OL
max = 0.55V at I = 32mA
V
OH
min = VCCref - 0.1V at I = 100µA
V
OH
min = VCCref - 0.4V at I < 12mA
V
OH
min = VCCref - 0.7V at I < 32mA
V
IL
max = 0.3 * VCCref
V
IH
min = 0.7 * VCCref
If unused keep lines
open.
Please note that some
GPIO lines can be config-
ured for functions other
than GPIO:
GPIO6/GPIO7: PWM
GPIO8: Pulse Counter/
WD_RETRIG
VCCref
I
Vimax = 5.5V
Vimin = 1.8V
Input current has to at least match the
positive output current required by all
configured and used GPIO lines.
For level adjustment.
E.g., connect 5Vout for
5V IO operation.
Must be connected to
1.8...5.5V if employing
signals from GPIO con-
nector.
GND
--
--
GPIO17/
TXD1/
SPI_MISO
IO
V
OL
max = 0.1V at I = 100µA
V
OL
max = 0.55V at I = 32mA
V
OH
min = VCCref - 0.1V at I = 100µA
V
OH
min = VCCref - 0.4V at I < 12mA
V
OH
min = VCCref - 0.7V at I < 32mA
V
IL
max = 0.3 * VCCref
V
IH
min = 0.7 * VCCref
If unused keep lines
open.
GPIO16/
RXD1/ SPI_-
MOSI
IO
GPIO19/
CTS1/
SPI_CS
IO
GPIO18/
RTS1
IO
DSR0/GPIO3/
SPI_CLK
IO
+5Vout
O
5V, +0.05V, -0.2V
Ioutmax = 100mA
Regulated output for
external supply. Can be
connected to VCCref.
If unused, keep open.
