Cavli Wireless C100QM/C10QM Hardware Manual
35
Table 3-5 Switch pin definition
Pin
Signal name
I/O
High value
description
21
PWRKEY
PI
VBAT-0.3V
Low level boot
3.4.2 Boot timing
Figure 3-7 Startup timing diagram
Table 3-6 Boot timing parameters
symbol
description
Min
Typical Max
unit
Ton
Boot low level width
100
500
-
ms
Ton(status) Boot time (according to
status status)
22
-
-
ms
Ton(usb)
Boot time (according to
usb status)
-
10
-
s
Ton(uart)
Boot time (according to
uart status)
-
6
-
s
VIH
PWRKEY input high level 0.6
0.8
1.8
V
VIL
PWRKEY input low level
-0.3
0
0.5
V