M16C62_M Datasheet, PDF (255/615 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/60 SERIES

Mitsubishi microcomputers
M16C / 62A Group
Appendix Standard Serial I/O Mode (Flash Memory Version) ^{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
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
BYTE
AVCC, AVSS
Clock input
Clock output
BYTE
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.}
I ^{Connect this pin to VSS or VCC.}
Connect AVSS to VSS and AVCC to VCC, respectively.
VREF
P00 to P07
P10 to P17
P20 to P27
P30 to P37
P40 to P47
P51 to P54,
P56, P57
P50
P55
P60 to P63
P64
P65
P66
P67
Reference voltage input
Input port P0
Input port P1
Input port P2
Input port P3
Input port P4
Input port P5
CE input
EPM input
Input port P6
BUSY output
SCLK input
RxD input
TxD output
I ^{Enter the reference voltage for AD from this pin.}
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.}
I ^{Input "H" or "L" level signal or open.}
I ^{Input "H" level signal.}
I ^{Input "L" level signal.}
I Input "H" or "L" level signal or open.
O
Standard serial I/O mode 1: BUSY signal output pin
Standard serial I/O mode 2: Monitors the boot program operation
check signal output pin.
I ^{Standard serial I/O mode 1: Serial clock input pin}
Standard serial I/O mode 2: Input "L".
I ^{Serial data input pin}
O Serial data output pin
P70 to P77
Input port P7
I Input "H" or "L" level signal or open.
P80 to P84, P86, _{Input port P8}
P87
P85
NMI input
P90 to P97
Input port P9
P100 to P107
Input port P10
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.
1-236