Pin Description - Renesas M16C Series User Manual

M30240 Group

1.1.6 Pin Description

Table 1.3 shows the M30240 pin description.
Table 1.3: Figure pin description
Pin # Name
P8
1
7
P8
2
6
P8 /(NMI)
3
5
P8 ~ P8
4,5
4 3
6 EXTCAP
7 BYTE
CNV
8
ss
9 +
USB D
10 USB D -
11 RESET
X
12
OUT
V
13
ss
14 Xin
V
15
cc
P8
16
2
P8 ~ P8
17-18
1 0
19-22
P7 ~ P7
7 4
P7 ~ P7
23-26
3 0
P6 ~ P6
27-30
7 4
P6 ~ P6
31-34
3 0
P3 ~ P3
35-42
7 0
Rev.1.00 Sep 24, 2003 Page 7 of 360
I/O
I/O CMOS I/O port. This pin also functions as an external trigger for A-D conversion.
CMOS I/O port. This pin also functions as the start of frame (SOF) pulse for the
I/O
USB module.
I CMOS input port. This pin also functions as a non-maskable external interrupt.
CMOS I/O port. P8
4
I/O
enable the stealth detach function for the USB transceiver.
An external capacitor (Ext. Cap) pin. When the USB transceiver voltage
converter is used, a 2.2 µF and a 0.1 µF capacitor should connect between this
_
pin and V to ensure proper operation of the USB line driver. This option is
ss
enabled by setting bit 4 of the USB control register (000C
I Connect this pin to Vss
I Connect this pin to Vss
USB D+ voltage line interface, a series resistor of 27 to 33 Ω is connected to this
I/O
pin.
USB D- voltage line interface, a series resistor of 27 to 33 Ω is connected to this
I/O
pin.
I A "L" on this input resets the microcomputer.
O See Xin
Ground: V = 0V
-
ss
Input and output signals to and from the internal clock generation circuit.
Connect a ceramic resonator or quartz crystal between Xin and Xout pins to set
I
the oscillation frequency. If an external clock is used, connect the clock source
to the Xin pin and leave the Xout pin open.
Power: V = 4.1~ 5.25V
-
cc
I/O CMOS I/O port. This pin also functions as external interrupt 0.
CMOS I/O port. Pins in this port also function as TimerA4 input and output as
I/O
selected by software.
CMOS I/O port. Pins in this port also function as timer pins.
P7 and P7 can function as TimerA3 input and output as selected by software.
I/O
7 6
P7 and P7 can function as TimerA2 input and output as selected by software.
5 4
CMOS I/O port. Pins in this port also function as UART2 CTS, RTS, CLK, RXD,
and TXD as selected by software.
I/O
P7 and P7 can function as TimerA1 input and output as selected by software.
3 2
P7 and P7 can function as TimerA0 input and output as selected by software.
1 0
CMOS I/O port. Pins in this port also function as UART1 CTS, RTS, CLK, Serial
I/O Clock, RXD, and TXD as selected by software. TXD(OE~) and RTS(SUSPEND)
in addition to D+ and D- can be used to run the device in USB bypass mode.
CMOS I/O port. Pins in this port also function as UART0 CTS, RTS, CLK, RXD,
I/O
and TXD as selected by software.
I/O CMOS I/O port.
Description
also functions as external interrupt 1 and P8
Pin Description
is used to
3
) to a "1".
16