Page
17
of
60
©
2019 Radiocrafts AS
MBUS User Manual (ver 2.01)
MBUS USER MANUAL
3.2 Timing
– from RESET and SLEEP to IDLE
Figure 7
– Timing definitions, from RESET or SLEEP to IDLE
Table 6
– Timing numbers, from RESET or SLEEP to IDLE
Symbol
MBUS3
MBUS4
Description / Note
t
RESET-IDLE
6.6 ms
9.1 ms
t
SLEEP-IDLE
1.6 ms
3.2 ms
For UART data rates up to 4.8 kBd the sequence 0xFF :
0x00 can be sent without delay (from Sleep to Config). For
higher UART baud rates, add 2 ms delay before setting
Config mode
3.3 Timing
– in and out of CONFIG mode
For t
CONFIG_PROMPT
it is recommended to
Figure 8
– Timing definitions, in and out of CONFIG
Table 7
– Timing numbers, in and out of CONFIG
Symbol
MBUS3
MBUS4
Description / Note
t
CONFIG-PROMPT
Wait for prompt
Time from 0x00 on UART RXD or CONFIG pin is set low
until prompt (“>”) is received in UART TXD
t
CONFIG-IDLE
146us
1.2ms
Time from end of ‘X’ character on UART RXD to IDLE
t
CONFIG-SLEEP
~150us
Time from end of ‘Z’ character on UART RXD to IDLE
