D75108CW NEC, D75108CW Datasheet - Page 10

• Manufacturer Part Number: D75108CW
• Description: Search -----> UPD75108CW
• Manufacturer: NEC

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10
3.2
*1: Circles indicate Schmitt trigger input pins.
2: Connect the NC pin directly to the V
PTH00-PTH03
Pin Name
X1, X2
RESET
PTO0
PTO1
INT4
INT0
INT1
INT2
INT3
NC*
SCK
PCL
TI0
TI1
V
V
PINS OTHER THAN PORTS
SO
SI
DD
SS
2
Input
Input
Input
Input
Input
Input
Input
I/O
I/O
I/O
I/O
I/O
—
—
—
—
Shared with:
P20
P21
P01
P02
P03
P00
P10
P11
P12
P13
P22
—
—
—
—
—
—
—
4-bit variable threshold voltage analog input port
External event pulse inputs for timer/event counter.
Also serves as edge-detected vector interrupt input.
1-bit input also possible.
Outputs for timer/event counter
Serial clock I/O
Serial data output
Serial data input
Edge-detected vectored interrupt input (both rising and
falling edges detected)
Edge-detected vectored interrupt inputs (valid
edge selectable)
Edge-detected testable inputs (rising edge detected)
Clock output
Crystal/ceramic system clock oscillator connections.
Input external clock to X1, and signal in reverse phase
with X1 to X2.
System reset input (low level active type)
No Connection
Positive power supply
GND
DD
pin when PD75P108B and a printed circuit board are shared.
Function
PD75104, 75106, 75108
At Reset
Input
Input
Input
Input
Input
Input
Input
Input
—
—
—
—
—
—
—
TYPE*
Circuit
I/O
—
—
—
—
N
B
F
B
B
B
B
B
E
E
E
1