M16C62 Datasheet, PDF (211/231 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Appendix Standard Serial I/O Mode
Mitsubishi microcomputers
M16C / 62 Group (80-pin)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Pin functions (Flash memory standard serial I/O mode)
Pin
VCC,VSS
Name
Power input
I/O
Description
Apply program/erase protection voltage to Vcc pin and 0 V to Vss pin.
CNVSS (BYTE)
RESET
CNVSS
Reset input
I ^{Connect to Vcc pin.}
I Reset input pin. While reset is "L" level, a 20 cycle or longer clock
must be input to XIN pin.
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
P20 to P27
P30 to P37
P40 to P43
P51 to P54,
P56, P57
Input port P0
Input port P2
Input port P3
Input port P4
Input port P5
I ^{Input "H" or "L" level signal or open.}
I ^{Input "H" or "L" level signal or open.}
I ^{Input "H" or "L" level signal or open.}
I ^{Input "H" or "L" level signal or open.}
I ^{Input "H" or "L" level signal or open.}
P50
CE input
P55
EPM input
P60 to P63
Input port P6
P64
BUSY output
P65
SCLK input
P66
RxD input
P67
TxD output
P70, P71, P76,
P77
P80 to P84, P86,
P87
P85
Input port P7
Input port P8
NMI input
P90, P92 to P97 _{Input port P9}
P100 to P107
Input port P10
I ^{Input "H" level signal.}
I ^{Input "L" level signal.}
I ^{Input "H" or "L" level signal or open.}
O ^{BUSY signal output pin}
I ^{Serial clock input pin}
I ^{Serial data input pin}
O ^{Serial data output pin}
I ^{Input "H" or "L" level signal or open.}
I ^{Input "H" or "L" level signal or open.}
I ^{Connect this pin to Vcc.}
I ^{Input "H" or "L" level signal or open.}
I ^{Input "H" or "L" level signal or open.}
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