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H8S2631 Datasheet(PDF) 11 Page - Renesas Technology Corp |
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H8S2631 Datasheet(HTML) 11 Page - Renesas Technology Corp |
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11 / 1487 page  Rev. 5.00 Mar 28, 2005 page xi of lxii Notes on H8S/2695 1. Notes on P35 Pin Functions (SCK1, SCK4) in H8S/2695 The following restrictions apply to the functions of P35 (SCK1, SCK4) in the H8S/2695. The functions indicated by *2 below cannot be used in the H8S/2695, and these combinations must not be set. (1) P35 Pin Functions in H8S/2633 Group and H8S/2633R ICE 0 1 CKE1(SCI1) CKE1(SCI4) 0 0 0, 1, 1 1, 0, 1 0 0 C/ A(SCI1) C/ A(SCI4) 0 0 1 1 0 0 CKE0(SCI1) CKE0(SCI4) 0 0 0, 1, 1 1, 0, 1 0 0 P35DDR 0 1 Pin function P35 input pin P35 output pin* 1 SCK1/SCK4 output pin* 1 SCK1/SCK4 output pin* 1 SCK1/SCK4 input pin SCL0 input/output pin IRQ5 input (2) P35 Pin Functions in H8S/2695 CKE1(SCI1) CKE1(SCI4) 0 0 0* 2 1* 2 1* 2 0* 2 1 1 C/ A(SCI1) C/ A(SCI4) 0 0 1 1 CKE0(SCI1) CKE0(SCI4) 0 0 0, 1, 1 1, 0, 1 P35DDR 0 1 0* 3 Pin function P35 input pin P35 output pin SCK1/SCK4 output pin SCK1/SCK4 output pin SCK1/SCK4 input pin IRQ5 input Notes: 1. The output type is normally NMOS push-pull output, but NMOS open-drain output when P35ODR = 1. 2. These combinations must not be set. 3. If SCK1 and SCK4 are used as input (clock input) pins on the H8S/2695, P35DDR must be cleared to 0. 2. Notes on H8S/2695 Development (Using H8S/2633 Emulator Chip) The H8S/2695 is not equipped with an I2C bus function and output from pins 34 and 35 is CMOS output (unless P34ODR or P35ODR is set to 1, respectively). These pins are used for NMOS push-pull output on the H8S/2633 emulator chip, so the output characteristics of these pins are different than is the case with the H8S/2695. If it is necessary to use pins 34 and 35 for CMOS output, use an appropriate resistance to pull up pins 34 and 35 of the H8S/2633 emulator chip. |
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