Datasheet

RN4870/71
DS50002489D-page 36  2016-2019 Microchip Technology Inc.
FIGURE 9-2: TIMING DIAGRAM OF RN4870/71 UART WHEN POWERED ON (IN TEST AND
APPLICATION MODE)
Table 9-1 shows the error rate for various UART baud
rates for the RN4870/71 module. The system clock is
running at 16
MHz.
VBAT
P2_0=0
P2_0=1
25mS
46mS
68mS
UART Ready
for MCU
UART Ready
for MCU
Status pin/UART
Report Command
(Test Mode)
P2_0
(Application Mode)
P2_0
TABLE 9-1: ERROR RATE FOR VARIOUS BAUD RATES ON THE RN4870/71
Set Baud Rate Measured Baud Rate Error
921600 941176 -2.12%
460800 457143 0.79%
307200 307692 -0.16%
230400 231884 -0.64%
115200 115942 -0.64%
57600 57971 -0.64%
38400 38095 0.79%
19200 19048 0.79%
9600 9524 0.79%