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  a t 9 1 s a m 7 s 2 5 6 a n d a t 9 1 s a m s 1 2 8 e r r a t a u p d a t e i m p o r t a n t / c o n f i d e n t i a l : t h i s m e s s a g e i s i n t e n d e d o n l y f o r t h e u s e o f t h e i n d i v i d u a l o r e n t i t y t o w h i c h i t i s a d d r e s s e d . t h i s m e s s a g e c o n t a i n s i n f o r m a t i o n f r o m a t m e l w h i c h m a y b e p r i v i l e g e d , c o n f i d e n t i a l , a n d e x e m p t f r o m d i s c l o s u r e u n d e r a p p l i c a b l e l a w . i f y o u h a v e r e c e i v e d t h i s c o m m u n i c a t i o n i n e r r o r , p l e a s e n o t i f y u s i m m e d i a t e l y . w e w i l l b e h a p p y t o a r r a n g e f o r t h e r e t u r n o f t h i s m e s s a g e a t n o c o s t t o y o u . a t m e l r o u s s e t  z o n e i n d u s t r i e l l e  1 3 1 0 6 r o u s s e t c e d e x  f r a n c e t e l . : ( + 3 3 ) 4 4 2 5 3 6 0 0 0  f a x . : ( + 3 3 ) 4 4 2 5 3 6 0 0 1  w w w . a t m e l . c o m p a g e 1 o f 2 ?  s u b j e c t : a t 9 1 s a m 7 s 2 5 6 a n d a t 9 1 s a m s 1 2 8 e r r a t a u p d a t e d a t e : n o v e m b e r 1 3 t h , 2 0 0 6 d e v i c e p a r t n u m b e r s a f f e c t e d ( a l l d a t e c o d e s ) a t 9 1 s a m 7 s 2 5 6 - a u - 0 0 1 a t 9 1 s a m 7 s 1 2 8 - a u - 0 0 1 a t 9 1 s a m 7 s 2 5 6 - a u - 9 9 9 a t 9 1 s a m 7 s 1 2 8 - a u - 9 9 9 a t 9 1 s a m 7 s 2 5 6 - m u a t 9 1 s a m 7 s 1 2 8 - m u a t 9 1 s a m 7 s 2 5 6 - m u - 9 9 9 a t 9 1 s a m 7 s 1 2 8 - m u - 9 9 9 w a t c h d o g t i m e r ( w d t ) u n d e r c e r t a i n r a r e c i r c u m s t a n c e s , i f t h e w a t c h d o g t i m e r i s u s e d w i t h t h e w a t c h d o g r e s e t e n a b l e d ( w d r s t e n s e t a t 1 ) , t h e w a t c h d o g t i m e r m a y l o c k t h e d e v i c e i n a r e s e t s t a t e w h e n t h e u s e r r e s t a r t s t h e w a t c h d o g ( w d d r s t t ) . t h e o n l y w a y t o r e c o v e r f r o m t h i s s t a t e i s a p o w e r - o n r e s e t . t h e i s s u e d e p e n d s o n t h e v a l u e s o f w d d a n d w d v i n r e g i s t e r w d t _ m r . w o r k a r o u n d : t w o w o r k a r o u n d s a r e p o s s i b l e . 1 ) e i t h e r d o n o t u s e t h e w a t c h d o g t i m e r w i t h t h e w a t c h d o g r e s e t e n a b l e d ( w d r s t e n s e t a t 1 ) , 2 ) o r s e t w d d t o 0 x f f f a n d i n a d d i t i o n u s e o n l y o n e o f t h e f o l l o w i n g v a l u e s f o r w d v : 0 x f f f , 0 x d f f , 0 x b f f , 0 x 9 f f , 0 x 7 f f , 0 x 7 7 f , 0 x 6 f f , 0 x 6 7 f , 0 x 5 f f , 0 x 5 7 f , 0 x 4 f f , 0 x 4 7 f , 0 x 3 f f , 0 x 3 7 f , 0 x 2 f f , 0 x 2 7 f , 0 x 1 f f , 0 x 1 b f , 0 x 1 7 f , 0 x 1 3 f , 0 x 0 f f , 0 x 0 d f , 0 x 0 b f , 0 x 0 9 f , 0 x 0 7 f , 0 x 0 6 f , 0 x 0 5 f , 0 x 0 4 f , 0 x 0 3 f , 0 x 0 3 7 , 0 x 0 2 f , 0 x 0 2 7 , 0 x 0 1 f , 0 x 0 1 b , 0 x 0 1 7 , 0 x 0 1 3 a n d 0 x 0 0 f . r e a l - t i m e t i m e r ( r t t ) u n d e r c e r t a i n r a r e c i r c u m s t a n c e s , t h e r e a l - t i m e t i m e r v a l u e ( r t t _ v r ) m a y b e c o r r u p t e d . w o r k a r o u n d u s e r t t i n c a s a n i n c r e m e n t f o r a s o f t w a r e c o u n t e r . s l o w c l o c k s e l e c t e d i n p m c a n d a t r a n s i t i o n o c c u r s o n p a 1 u n d e r c e r t a i n r a r e c i r c u m s t a n c e s , w h e n c s s = 0 0 i n p m c _ m c k r , a n d p a 1 i s s e t a s a n i n p u t , a n d a t r a n s i t i o n o c c u r s o n p a 1 , d e v i c e m a l f u n c t i o n m i g h t o c c u r . w o r k a r o u n d d o n o t t r a n s i t i o n p a 1 a s a n i n p u t w h e n c s s = 0 0 i n p m c _ m c k r .
a t 9 1 s a m 7 s 2 5 6 a n d a t 9 1 s a m s 1 2 8 e r r a t a u p d a t e i m p o r t a n t / c o n f i d e n t i a l : t h i s m e s s a g e i s i n t e n d e d o n l y f o r t h e u s e o f t h e i n d i v i d u a l o r e n t i t y t o w h i c h i t i s a d d r e s s e d . t h i s m e s s a g e c o n t a i n s i n f o r m a t i o n f r o m a t m e l w h i c h m a y b e p r i v i l e g e d , c o n f i d e n t i a l , a n d e x e m p t f r o m d i s c l o s u r e u n d e r a p p l i c a b l e l a w . i f y o u h a v e r e c e i v e d t h i s c o m m u n i c a t i o n i n e r r o r , p l e a s e n o t i f y u s i m m e d i a t e l y . w e w i l l b e h a p p y t o a r r a n g e f o r t h e r e t u r n o f t h i s m e s s a g e a t n o c o s t t o y o u . a t m e l r o u s s e t  z o n e i n d u s t r i e l l e  1 3 1 0 6 r o u s s e t c e d e x  f r a n c e t e l . : ( + 3 3 ) 4 4 2 5 3 6 0 0 0  f a x . : ( + 3 3 ) 4 4 2 5 3 6 0 0 1  w w w . a t m e l . c o m p a g e 2 o f 2 ?  s u b j e c t : a t 9 1 s a m 7 s 2 5 6 a n d a t 9 1 s a m s 1 2 8 e r r a t a u p d a t e ( c o n t ) d a t e : n o v e m b e r 1 3 t h , 2 0 0 6 p r o g r a m m i n g c s s i n p m c _ m c k r r e g i s t e r . u n d e r c e r t a i n r a r e c i r c u m s t a n c e s , r e p r o g r a m m i n g t h e c s s v a l u e i n t h e p m c _ m c k r r e g i s t e r ( i . e s w i t c h i n g t h e m a i n c l o c k s o u r c e ) m i g h t g e n e r a t e m a l f u n c t i o n o f t h e d e v i c e i f t h e f o l l o w i n g 2 a c t i o n s o c c u r s i m u l t a n e o u s l y . 1 ) s w i t c h i n g f r o m : p l l c l o c k t o s l o w c l o c k o r p l l c l o c k t o m a i n c l o c k o r m a i n c l o c k t o p l l c l o c k o r m a i n c l o c k t o s l o w c l o c k a n d 2 ) p r o g r a m c o d e i s b e i n g e x e c u t e d o u t o f f l a s h , o r a t r a n s i t i o n i s o c c u r r i n g o n p a 1 , e i t h e r a s a n i n p u t o r o u t p u t . n o t e t h i s i s s u e d o e s n o t o c c u r w h e n t r a n s i t i o n i n g f r o m s l o w c l o c k t o m a i n c l o c k o r f r o m s l o w c l o c k t o p l l c l o c k . w o r k a r o u n d w h e n c h a n g i n g c s s i n t h e p m c _ m c k r t o s w i t c h f r o m p l l c l o c k t o s l o w c l o c k o r p l l c l o c k t o m a i n c l o c k o r m a i n c l o c k t o p l l c l o c k o r m a i n c l o c k t o s l o w c l o c k e n s u r e t h a t t h e p r o c e s s o r i s e x e c u t i n g o u t o f s r a m , a n d e n s u r e n o t r a n s i t i o n o c c u r s o n p a 1 e i t h e r a s a n i n p u t o r o u t p u t , s t a r t i n g f r o m w r i t i n g t o t h e p m c _ m c k r r e g i s t e r u n t i l m c k r d y = 1 .


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