BL602/604 Datasheet

MCU

DIV

bclk

120MHz

192MHz

48MHz

160MHz

CG

DIV

hclk

SOC

fclk

f 32k_clk

CG

PMU

1

1

1

0

DIV

uart clk

(~2MHz)

CG

gpdac clk

512KHz

DIV

xclk

1

DIV

CG

i2c clk

DIV

CG

spi clk

DIV

CG

general adc clk

96 MHz

1

1

CG

pwm clk

0

RC32K

XTAL32K

DIV

CG

en

11bit

f32k_sel

RC32M

clkpll_xtal_rc32m_sel

PLL

xtal_clk

root_clk_sel[0]

pll_en

bclk_en

bclk_div

hclk_en

hclk_div

root_clk_sel[1]

pll_sel

sel

sel

sel

sel

3bit

6bit

16bit

8bit

5bit

en

en

en

en

en

en

pir

CG

CG

Cnt

XTAL

24/32/38.4/40M

96MHz

80MHz

DIV

CG

flash clk

en

3bit

sel

DIV

CG

ir clk

6bit

en

Figure 2.2: Clock Architecture

2.10 Peripherals

Peripherals include SDIO, SPI, UART, I2C, IR remote, PWM, ADC, DAC, PIR.

Each peripheral can be assigned to different groups of GPIOs through flexible configurations.

Each GPIO can be used as a general-purpose input and output function.

BL602/604 Datasheet

13/ 30

@2020 Bouffalo Lab