M16C6K9 Datasheet, PDF (274/292 Pages) Renesas Technology Corp – SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

M16C/6K9 Group
Standard Serial I/O Mode
Table EE-1 Pin function (Flash memory standard serial I/O mode)
Pin name
Name
I/O
VCC, VSS
Power supply
Apply 3.3 ± 0.3V to VCC, apply 0V to VSS
M0
____________
RESET
M0
Reset input
I
Connect to VCC
I Reset input pin. While reset is "L", 20 cycles or more
clocks input to XIN pin are needed.
XIN
Clock input
I Connect a ceramic resonator or crystal oscillator
XOUT
Clock output
O between XIN and XOUT. If external clock is used, input
it to XIN pin and open the XOUT pin.
M1
M1
I
Connect to VSS
FVCC
Power supply input
Apply 3.0V to 3.6V
for flash program
AVCC, AVSS Analog power supply
Connect AVSS to VSS, AVCC to VCC
VREF
Reference voltage
I The input pin of reference voltage of AD converter
P00–P07
Input port P0
I Input "H", "L" or open
P10–P17
Input port P1
I Input "H", "L" or open
P20–P27
Input port P2
I Input "H", "L" or open
P30–P37
Input port P3
I Input "H", "L" or open
P40–P47
Input port P4
I Input "H", "L" or open
P50–P57
Input port P5
I Input "H", "L" or open
P60–P63
Input port P6
I Input "H", "L" or open
P64
BUSY output
O The output pin of BUSY signal
P65
SCLK input
I The input pin of serial clock
P66
RXD input
I The input pin if serial data
P67
TXD input
O The output pin of serial data
P70–P77
Input port P7
I Input "H", "L" or open
P80–P84
Input port P8
I Input "H", "L" or open
P86,P87
P85
______
NMI input
I
Connect to VCC
P90–P97
Input port P9
I The input pin of serial data
P100–P107
Input port P10
I The input pin of serial data
P110–P117
Input port P11
I The input pin of serial data
P120–P127
Input port P12
I The input pin of serial data
P130–P137
Input port P13
I The input pin of serial data
P140–P147
Input port P14
I The input pin of serial data
P150–P157
Input port P15
I The input pin of serial data
P160,P161
Input port P16
I The input pin of serial data
Rev.1.00 Jun 06, 2003 page 274 of 290