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I2C slave mode can't re-start

Question asked by shz.ellis on Dec 29, 2012
dear all,

I used stm8l mcu and set the i2c in slave mode.
I initial i2c bus and already set, then remove the bus(SCLand SDA had pull high ).
if i pull low the scl pin before connect bus again and then initial i2c.
The i2c busy flag always is on and i can't reset it again.
how to solve this problem.