M16C29 Datasheet, PDF (386/499 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/Tiny SERIES

M16C/29 Group
20. Flash Memory Version
Table 20.9 Pin Functions for CAN I/O Mode
Pin
Name
I/O
Description
VCC,VSS
Power input
Apply the voltage guaranteed for Program and Erase to Vcc pin and 0
V to Vss pin.
CNVSS
CNVSS
I Connect to Vcc pin.
RESET
Reset input
I Reset input pin. While RESET pin is "L" level, wait for td(ROC).
XIN
XOUT
AVCC, AVSS
Clock input
Clock output
Analog power supply input
I ^{Connect a ceramic resonator or crystal oscillator between XIN and}
XOUT pins. To input an externally generated clock, input it to XIN pin
O and open XOUT pin.
Connect AVss to Vss and AVcc to Vcc, respectively.
VREF
Reference voltage input
I Enter the reference voltage for AD from this pin.
P00 to P07
Input port P0
I Input "H" or "L" level signal or leave open.
P10 to P15, P17 Input port P1
P16
Input port P1
I Input "H" or "L" level signal or leave open.
I Connect this pin to Vcc while RESET is low. (Note 1)
P20 to P27
Input port P2
I Input "H" or "L" level signal or leave open.
P30 to P37
Input port P3
I Input "H" or "L" level signal or leave open.
P60 to P64, P66 Input port P6
I Input "H" or "L" level signal or leave open.
P65
SCLK input
I Input "L" level signal.
P67
TxD output
O Input "H" level signal.
P70 to P77
P80 to P84,
P87
P85
Input port P7
Input port P8
RP input
I Input "H" or "L" level signal or leave open.
I Input "H" or "L" level signal or leave open.
I Connect this pin to Vss while RESET is low. (Note 1)
P86
P90 to P91,
P95 to P97
P92
CE input
Input port P9
CRX input
I Connect this pin to Vcc while RESET is low. (Note 1)
I Input "H" or "L" level signal or leave open.
I Connect this pin to a CAN transceiver.
P93
CTX output
O Connect this pin to a CAN transceiver.
P100 to P107
Input port P10
I Input "H" or "L" level signal or leave open.
NOTE:
1. Set following either or both.
_____
•Connect the CE pin to VCC.
_____
•Connect the RP pin to VSS and the P16 pin to VCC.
Rev. 1.12 Mar.30, 2007 ^{page 362} of 458
REJ09B0101-0112