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1.4 Pin Configuration (Top View)
• 44-pin plastic LQFP (10 × 10)
µ PD789800GB-×××-8ES, µ PD78F9801GB-8ES
P04
P03
P02
P01
P00
V
DD1
V
SS1
P17
P16
P15
P14
Cautions
1. Connect the IC pin directly to the V
2. Directly connect the V
Remark The parenthesized values apply to the µ PD78F9801.
IC:
Internally connected
INTP0:
Interrupt from peripherals
KR00 to KR07 : Key return
NC:
No connection
P00 to P07:
Port 0
P10 to P17:
Port 1
P20 to P26:
Port 2
P40 to P47:
Port 4
RESET :
Reset
REGC:
Voltage regulator for USB function
SCK10 :
Serial clock input/output
22
CHAPTER 1
GENERAL
44 43 42 41 40 39 38 37 36 35 34
1
2
3
4
5
6
7
8
9
10
11
12 13 14 15 16 17 18 19 20 21 22
pin.
SS0
pin to the V
pin in the normal operation mode.
PP
SS0
SI10:
SO10:
TI01:
TO01:
USBDM, USBDP: Universal serial bus data
V
:
DD0
V
:
DD1
V
:
PP
V
:
SS0
V
:
SS1
X1, X2:
User's Manual U12978EJ3V0UD
33
USBDP
32
USBDM
31
IC (V
)
PP
30
REGC
29
V
DD0
28
V
SS0
27
X1
26
X2
25
RESET
24
P40/KR00
23
P41/KR01
Serial data input
Serial data output
Timer input
Timer output
Port power supply
Power supply
Programming power supply
Port ground
Ground
Crystal
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