µ
PD754144, 754244
7
Data Sheet U10040EJ2V1DS
•
µ
PD754244
• 20-pin Plastic SOP (300 mil, 1.27-mm pitch)
µ
PD754244GS-
×××
-BA5
µ
PD754244GS-
×××
-BA5-A
• 20-pin Plastic Shrink SOP (300 mil, 0.65-mm pitch)
µ
PD754244GS-
×××
-GJG
µ
PD754244GS-
×××
-GJG-A
IC: Internally Connected (Connect to V
DD
directly)
Pin Identification
AV
REF
: Analog reference
P70 to P73
: Port 7
CL1 and CL2
: System clock (RC)
P80
: Port 8
IC
: Internally connected
PTH00 and PTH01
: Programmable threshold port analog inputs 0 and 1
INT0
: External vectored interrupt 0
PTO0 to PTO2
: Programmable timer outputs 0 to 2
KR4 to KR7
: Key returns 4 to 7
RESET
: Reset
KRREN
: Key return reset enable
V
DD
: Positive power supply
P30 to P33
: Port 3
V
SS
: Ground
P60 to P63
: Port 6
X1 and X2
: System clock (crystal/ceramic)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
RESET
X1
X2
V
SS
IC
V
DD
P60/AV
REF
P61/INT0
P62/PTH00
P63/PTH01
KRREN
P80
P30/PTO0
P31/PTO1
P32/PTO2
P33
P70/KR4
P71/KR5
P72/KR6
P73/KR7
*