Under
development
Preliminary Specifications REV.D
Specifications in this manual are tentative and subject to change.
Mitsubishi Microcomputers
M16C/80 group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Appendix Standard Serial I/O Mode (Flash Memory Version)
285
Pin
Description
VCC,VSS
Apply 4.2V to 5.5V to Vcc pin and 0 V to Vss pin.
CNVSS
Connect to Vcc pin.
RESET
Reset input pin. While reset is "L" level, a 20 cycle or longer clock
must be input to XIN pin.
XIN
Connect a ceramic resonator or crystal oscillator between XIN
and XOUT pins. To input an externally generated clock, input it
to XIN pin and open XOUT pin.
XOUT
BYTE
Connect this pin to Vcc or Vss.
AVCC, AVSS
VREF
Connect AVSS to Vss and AVcc to Vcc, respectively.
Enter the reference voltage for A-D converter from this pin.
P00 to P07
Input "H" or "L" level signal or open.
P10 to P17
Input "H" or "L" level signal or open.
P20 to P27
Input "H" or "L" level signal or open.
P30 to P37
Input "H" or "L" level signal or open.
P40 to P47
Input "H" or "L" level signal or open.
P51 to P54,
P56, P57
Input "H" or "L" level signal or open.
P50
Input "H" level signal.
P55
Input "L" level signal.
P60 to P63
Input "H" or "L" level signal or open.
P64
P65
P66
Serial data input pin
P67
Serial data output pin
P70 to P77
Input "H" or "L" level signal or open.
P80 to P84, P86,
P87
Input "H" or "L" level signal or open.
P90 to P97
Input "H" or "L" level signal or open.
P100 to P107
Input "H" or "L" level signal or open.
Name
Power input
CNVSS
Reset input
Clock input
Clock output
BYTE
Analog power supply input
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
Input port P7
Input port P8
Input port P9
Input port P10
I/O
I
O
I
O
I
O
I
P85
NMI input
I
Connect this pin to Vcc.
I
Standard serial mode 1: BUSY signal output pin
Standard serial mode 2: Monitors the program operation check
Standard serial mode 1: Serial clock input pin
Standard serial mode 2: Input "L" level signal.
P110 to P114
Input "H" or "L" level signal or open. (Note)
Input port P11
I
P120 to P127
Input "H" or "L" level signal or open. (Note)
Input port P12
I
P130 to P137
Input "H" or "L" level signal or open. (Note)
Input port P13
I
P140 to P146
Input "H" or "L" level signal or open. (Note)
Input port P14
I
P150 to P157
Input "H" or "L" level signal or open. (Note)
Input port P15
I
Pin functions (Flash memory standard serial I/O mode)
Note: Port P11 to P15 exist in 144-pin version.