Garz & Fricke CUPID 7.0" Open Frame, Manual

Page: 12 / 39

CUPID 7.0" Open Fra m e Manual
12
6
External interfaces and Schematics
Applies for all interfaces
6.1
GPIO Characteristics
DC Electrical
Characteristics
Symbol Test Condition Min. Typ. Max. Unit
High-level output
voltage Voh Ioh =
–1 mA
Ioh = specified
drive
NVCC
– 0.15
0.8 × NVCC
- - V
Low-level output
voltage Vol Iol = 1 mA
Iol = specified
drive - - 0.15
0.2 × NVCC V
High-level output
current for slow mode
(Voh = 0.8 × NVCC) Ioh Standard drive
High drive
Max. drive
–2.0
–4.0
–8.0
- - mA
High-level output
current for fast mode
(Voh = 0.8 × NVCC) Ioh Standard drive
High drive
Max. drive
–4.0
–6.0
–8.0
- - mA
Low-level output
current for slow mode
(Voh = 0.2 × NVCC) Iol Standard drive
High drive
Max. drive 2.0
4.0
8.0 - - mA
Low-level output
current for fast mode
(Voh = 0.2 × NVCC) Iol Standard drive
High drive
Max. drive 4.0
6.0
8.0 - - mA
High-level DC Input
Voltage with 1.8 V, 3.3
V NVCC (for digital
cells in input mode) VIH - 0.7 × NVCC - NVCC V
Low-level DC Input
Voltage with 1.8 V, 3.3
V NVCC (for digital
cells in input mode) VIL -
–0.3 V
- 0.3 × NVCC V
Drive strength defined by operating system