User's Manual

Cinterion
®
ELS31-VA/ELS51-VA Hardware Interface Description
2.1 Application Interface
56
 ELS31-VA_ELS51-VA_HID_v01.000 2017-01-04
Confidential / Preliminary
Page 20 of 106
1.8V SIM
Card Inter-
face
CCRST O V
OH
typical = 1.26V
V
OH
max = 1.8V
V
OL
typical = 0.1V @1mA
V
OL
max = 0.3V
CCIO I/O V
IL
max = 0.27V
V
IL
min=-0.15V
V
IH
min = 1.26V
V
IH
max = 2V
V
OL
typical = 0.1V @1mA
V
OL
max = 0.3V
V
OH
min = 1.26V at I = -10µA
V
OH
max = 1.85V
CCCLK O V
OH
typical = 1.26V
V
OH
max = 1.8V
V
OL
typical = 0.1V @1mA
V
OL
max = 0.3V
CCVCC O V
O
min = 1.7V
V
O
typ = 1.80V
V
O
max = 1.9V
I
O
max = -50mA
HSIC HSIC_DATA
HSIC_STRB
IO Signal characteristics according to
“High-Speed Inter-Chip USB Electrical
Specification”, Version 1, September
23, 2007
HSIC available with
ELS51-VA only.
See also Section 2.1.14.
SDIO SDIOCMD
SDIOCLK
SDIO0
SDIO1
SDIO2
SDIO3
IO V
OL
max = 0.45V
V
OH
min = 1.35V
V
OH
max = 1.85V
V
IL
max = 0.63V
V
IH
min = 1.17V
V
IH
max = 1.85V
SDIO available with
ELS51-VA only.
See also Section 2.1.15.
Digital
audio
interface
(PCM/I
2
S)
PCM_I2S_-
CLK
IV
IL
max = 0.63V
V
IH
min = 1.17V
V
IH
max = 1.85V
If unused keep line open.
Note that the PCM inter-
face lines are originally
available as GPIO lines.
If configured as PCM
lines, the GPIO lines are
assigned as follows:
GPIO23 --> PCM_I2S_-
CLK
GPIO22 --> PCM_I2S_
FSC
GPIO20 --> PCM_I2S_
OUT
GPIO21 --> PCM_I2S_
IN
PCM_I2S_
FSC
I
PCM_I2S_
IN
I
PCM_I2S_
OUT
OV
OL
max = 0.45V
V
OH
min = 1.35V
V
OH
max = 1.85V
Table 2: Signal properties (Continued)
Function Signal name IO Signal form and level Comment