?2014. renesas electronics cor poration, all rights reserved. page 1 of 2 renesas technical update 1753, shimonumabe, nakahara-ku, kawa saki-shi, kanagawa 211-8668 japan renesas electronics corporation renesas technical up date tn-rx*-a000a/e date: feb . 25 , 20 14 this document describes a restriction on the operating condi tions for avcc0 in rx111 group user's manual: hardware. 1. restriction set the voltage for the avcc0 pin to the same voltage as the vcc pin. 2. corrections to the manual since the above restriction is added, descrip tions in the manual are corrected as follows. ? page 1077 of 1209 descriptions in 30.7.10 are corrected as follows: before correction ? relationship between power supply pin pair s (avcc0?avss0, vrefh0?vrefl0, vcc?vss) relationship between avss0 and vss: avss0 = vss. a 0.1- f capacitor should be connect ed between each pair of power supply pins to create a cl osed loop with the shortest rout possible as shown in figure 30.16, and connection should be made so that the following conditions are satisfied at the supply side. vrefl0 = avss0 = vss when the a/d converter is not used, the following conditions should be satisfied. vrefh0 = avcc0 = vcc and vrefl0 = avss0 = vss after correction ? relationship between power supply pin pair s (avcc0?avss0, vrefh0?vrefl0, vcc?vss) the following conditions should be satisfied: avcc0 = vcc, and avss0 = vss. a 0.1- f capacitor should be connected between each pair of power supply pins to create a closed loop with the shortest route possible as shown in figure 30.16, and connection should be made so that th e following conditions are satisfied at the supply side. vrefl0 = avss0 = vss when the a/d converter is not used, the following conditions should be satisfied. vrefh0 = avcc0 = vcc and vrefl0 = avss0 = vss product category mpu & mcu document no. tn-rx*-a0 90a/e r ev . 1.00 title restriction on avcc0 in the rx111 group information category technical notification applicable product rx111 group lot no. reference document rx111 group user's manual: hardware rev.1.00 (r01uh0365ej0100) all
page 2 of 2 renesas technical update tn-rx*-a0 90a/e date: feb . 25 , 2014 ? page 1147 of 1209 table 36.2 is corrected as follows: before correction table 36.2 recommended operating voltage conditions note 1. set vcc and vcc_usb to the same potential. also, set vss, avss0, and vss_usb to the same potential. note 2. avcc0 and vcc can be set individual ly within the operating range. for details, 30.7.10 voltage range of analog power supply pins. after correction table 36.2 operating conditions note 1. for details, refer to section 30.7.10 , voltage range of analog power supply pins. item symbol value unit recommended operating voltage conditions vcc, vcc_usb* 1 1.8 to 3.6 (during no usb communication) 3.0 to 3.6 (during usb communication) v avcc0* 2 1.8 to 3.6 v item symbol conditions min. typ. max. unit power supply voltage vcc the usb is not used. 1.8 ? 3.6 v the usb is used. 3.0 ? 3.6 v vss ? 0 ? v usb power supply voltage vcc_usb ? vcc ? v vss_usb ? 0 ? v analog power supply voltage avcc0 * 1 ?v c c?v avss0 ? 0 ? v
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