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| 型號： | mPD789114A |
| 廠商： | NEC Corp. |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-Bit Single-Chip Microcontrollers |
| 中文描述： | 8位單芯片微控制器 |
| 文件頁數(shù)： | 29/321頁 |
| 文件大?。?/td> | 1378K |
| 代理商： | MPD789114A |
CHAPTER 1 GENERAL
User’s Manual U15075EJ1V0UM00
29
ANI0 to ANI5:
Analog input
P90 to P97
Note 1
:
Port 9
ASCK20:
Asynchronous serial input
RESET:
Reset
AV
DD
:
Analog power supply
RxD20:
Receive data
AV
SS
:
Analog ground
SS20:
Serial chip select
BZO90:
Buzzer output
S0 to S4, S5 to S14
Note 2
: Segment output
CAPH, CAPL:
LCD power supply capacitance control
SCK20:
Serial clock
COM0 to COM3: Common output
SI20:
Serial input
CPT90:
Capture trigger input
SO20:
Serial output
IC:
Internally connected
TMI60:
Timer input
INTP0 to INTP3: External interrupt input
TO90, TO50, TO60,
KR0 to KR3:
Key return
TO61:
Timer output
P00 to P03:
Port 0
TxD20:
Transmit data
P10, P11:
Port 1
V
DD
:
Power supply
P20 to P26:
Port 2
V
LC0
to V
LC2
:
LCD power supply
P30 to P33:
Port 3
V
PP
:
Programming power supply
P50 to P53:
Port 5
V
SS
:
Ground
P60 to P65:
Port 6
X1, X2:
Crystal (main system clock)
P70 to P72:
Port 7
XT1, XT2:
Crystal (subsystem clock)
P80, P81
Note 1
:
Port 8
Notes 1.
μ
PD789426, 789436 Subseries only
2.
μ
PD789446, 789456 Subseries only
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