List Of Pins Other Than Port Pins - NEC PD75402A User Manual

2.1.2

List of Pins Other Than Port Pins

Pin Name Input/Output
INT0 Input
INT2 Input
SI Input
SO Input/output
SCK Input/output
SB0 Input/output
PCL Input/output
X1, X2 Input
RESET Input
V
DD
V
SS
NC*8
Remarks For the status of each pin at reset, see CHAPTER 8 "RESET FUNCTION".
* If using the PD75P402 and the printed circuit board commonly, the NC pin should be connected directly to V
12
CHAPTER 2. PIN FUNCTIONS
Table 2-2 List of Pins Other than Port Pins
Dual-Function Pin
P10 An edge-detected vectored interrupt request input pin (detected
edge selectable by mode register).
Built in with the noise eliminator by the sampling clock.
An edge detected external test input pin (rising edge detection).
P12
P03 A serial data input pin.
P02/SB0 A serial data output pin.
P01 A serial clock input/output pin.
P02/SO A serial bus input/output pin.
P22 A clock output pin.
A system clock oscillation crystal/ ceramic resonator connection
pin. If supplying the clock from the exterior, input to X1 and input
the inverted phase to X2.
A system reset input pin. Built in with the noise eliminator by
analog delay.
A positive power supply pin.
A GND potential pin.
No Connection
Functions
.
SS