Renesas M16C/60 Series Hardware Manual page 294

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M16C/6N5 Group
Table 1.22.7 Pin Functions for Standard Serial I/O Mode
Pin Name
V , V Power input
CC SS
CNV
CNV
SS SS
_____________
RESET Reset input
X Clock input
IN
X Clock output
OUT
BYTE BYTE
Analog power
AV , AV
CC SS
supply input
Reference
V
REF
voltage input
Input port P0
P0 to P0
0 7
Input port P1
P1 to P1
0 7
P2 to P2 Input port P2
0 7
Input port P3
P3 to P3
0 7
P4 to P4 Input port P4
0 7
_____
CE input
P5
0
P5 to P5 , Input port P5
1 4
P5 , P5
6 7
________
EPM input
P5
5
P6 to P6 Input port P6
0 3
________
BUSY output
P6 /RTS
4 1
SCLK input
P6 /CLK
5 1
RxD input
P6 /RxD
6 1
P6 /TxD TxD output
7 1
Input port P7
P7 to P7
0 7
P8 to P8 , Input port P8
0 4
P8 , P8
6 7
________
_______
NMI input
P8 /NMI
5
P9 to P9 , P9 Input port P9
0 4 7
CRx input
P9 /CRx
5 0
P9 /CTx CTx output
6 0
Input port P10
P10 to P10
0 7
Note: When using standard serial input/output mode 1, the TxD pin must be held high while the RESET pin
is pulled low. Therefore, connect this pin to V
output after reset, adjust the pull-up resistance value in the system so that data transfers will not be
affected.
Rev.1.00 2003.05.30 page 280
I/O
Apply the voltage guaranteed for Program and Erase to V
to V pin.
SS
I Connect to V pin.
CC
I Reset input pin. While RESET pin is "L" level, input 20 cycles or longer
clock to X pin.
IN
I Connect a ceramic resonator or crystal oscillator between X
pins. To input an externally generated clock, input it to X
O
X pin.
OUT
Connect this pin to V
I
Connect AV to V
SS SS
Enter the reference voltage for A-D and D-A converters from this pin.
I
Input "H" or "L" level signal or open.
I
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.
Input "H" level signal.
I
I Input "H" or "L" level signal or open.
I Input "L" level signal.
I Input "H" or "L" level signal or open.
Standard serial I/O mode 1: BUSY signal output pin
O
Standard serial I/O mode 2: Monitors the boot program operation
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 (Note)
I Input "H" or "L" level signal or open.
I Input "H" or "L" level signal or open.
I Connect this pin to V
Input "H" or "L" level signal or open.
I
I Input "H" or "L" level signal or connect to a CAN transceiver.
O Input "H" level signal, open or connect to a CAN transceiver.
Input "H" or "L" level signal or open.
I
via a resistor. Because this pin is directed for data
CC
Description
____________
or V .
CC SS
and AV to V , respectively.
CC CC
check signal output pin.
.
CC
Flash Memory
pin and 0 V
CC
and X
IN OUT
pin and open
IN
___________