參數(shù)資料
型號: UPD78218A
廠商: NEC Corp.
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 8/66頁
文件大?。?/td> 510K
代理商: UPD78218A
8
μ
PD78217A, 78218A
INTERNAL BLOCK DIAGRAM
Caution
Note
Inernal ROM/RAM capacity varies depending on the product.
In case of the
μ
PD78217A, P40 to P47, P50 to P57, P64 and P65 cannot be used as ports.
P70
-P75
INTP5
PROGRAMMABLE
INTERRUPT
CONTROLLER
BAUD RATE
GENERATOR
UART
CLOCKED
SERIAL
INTERFACE
TIMER/COUNTER
(16 BITS)
REAL-TIME
OUTPUT PORT
(4 BITS
×
2)
TIMER/COUNTER
CHANNEL-1
(PS + 8 BITS)
TIMER/COUNTER
CHANNEL-2
(PS + 8 BITS)
TIMER/COUNTER
CHANNEL-3
(PS + 8 BITS)
A/D CONVERTER
S
AV
SS
AV
REF
AN0-AN7
P04-P07
P00-P03
TO3
TO2
INTP2
INTP1
INTP0
TO1
TO0
INTP3
SI
SO/SB0
SCK
ASCK
T
X
D
R
X
D
NMI
INTP0-INTP5
B
ADDRESS BUS
PC
ALU
ROM
TEMPORARY
REGISTERS
SP
PSW
BOOLEAN
PROCESSOR
RAM (256 Bytes)
GR
MACRO
SERVICE
CHANNEL
D
MICRO ROM
MICRO–
SEQUENCER
B
S
DATA BUS
PORT
RAM
A16-A19
(Expansion)
A8-A15
AD0-AD7
RD
WR
WAIT
REFRQ
ASTB
X1
X2
RESET
EA
V
DD
V
SS
P7
P2
P6
P6
P5
P64
-P67
P60
-P63
P4
P3
P0
P50
-P57
P40
-P47
P30
-P37
P20
-P27
P00
-P07
Note
Note
Note
相關(guān)PDF資料
PDF描述
UPD78218ACW 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
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