13
TIMER
13.1 Introduction
The chip has two 32-bit counters, each of which can independently control and configure its parameters and clock
frequency.
There is a watchdog counter in the chip. Unpredictable software or hardware behavior may cause the application to
malfunction. A watchdog timer can help the system recover from it. If the current time exceeds the predetermined
time, but the dog is not fed or closed Timer, which can trigger interrupt or system reset according to the setting.
BL_TIMER
APB
CSR
timer_irq
32-bit timer
fclk
clk_mux
clk_div
timer_cnt
xtal_
f32k_
X2
clk
clk
Figure 13.1: Timer block diagram
BL602/604 Reference Manual
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