Stollmann BlueMod+SR/AI, Справочник по аппаратуре

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SR/AI
SR/AP
Hardware Reference
Release r09 www.stollmann.de Page 31 of 76
T
amb
= 25°C
Symbol Item Condition Limit Unit
Min Typ Max
V
IL
Low-Level Input Voltage VSUP = 2,5 to 3,6V -0,3 - 0,9 V
V
IH
High-Level Input Voltage VSUP = 2,5 to 3,6V 2,0 - VSUP+0,3 V
V
OL
Low-Level Output
Voltage
I
OL
= 4mA - - 0,4 V
V
OH
High-Level Output
Voltage
I
OH
= -4mA VSUP-0,4 - - V
I
OL
Low -Level Output
Current
V
OL
= 0,4V - - 8 mA
I
OH
High-Level Output
Current
2,7V < VSUP < 3,6V
V
O
H
=
2
.
3
V
- - -8 mA
R
PU
weak pull-up resistor V
IN
= V
SS
30 40 50 k
Ω
R
PD
weak pull-down resistor V
IN
= V
DD
30 40 50 k
Ω
I
lc
I/O pad leakage current -3 0 +3

A
C
l
Input Capacitance 5 pF
Table 10: DC Characteristics, Digital IO (STM32-related)
External Slow Clock SLCK:
T
amb
= 25°C
Symbol Item Condition Limit Unit
Min Typ Max
V
LSEL
Low-Level Input Voltage VSUP = 2,5 to 3,6V 0,0
-
0,3 V
V
LSEH
High-Level Input Voltage VSUP = 2,5 to 3,6V 0,7xVSUP
-
VSUP V
I
lc
I/O pad leakage current VSS
≤ VIN ≤ VSUP
-1
-
+1

A
C
l
Input Capacitance
5
pF
Table 11: DC Characteristics, SLCK (STM32 Backup Domain)
Note: Signal at SLCK is also fed to CSR8811 and has to comply to Table 12, too.