參數(shù)資料
型號: HD404449H
元件分類: 微控制器/微處理器
英文描述: MROM, MICROCONTROLLER, PQFP80
封裝: PLASTIC, QFP-80
文件頁數(shù): 31/33頁
文件大?。?/td> 440K
代理商: HD404449H
HD404449 Series
5
Block Diagram
System control
External
interrupt
Timer
A
Timer
B
Timer
C
Timer
D
Serial
interface
1
Serial
interface
2
A/D
converter
Internal
data
bus
Internal
address
bus
RAM
(1,152
4 bits)
W
(2 bits)
X
(4 bits)
Y
(4 bits)
SPX
(4 bits)
ST
(1 bit)
CA
(1 bit)
A
(4 bits)
B
(4 bits)
SP
(10 bits)
PC
(14 bits)
Instruction
decoder
CPU
R0
R1
R2
R3
R4
R5
R6
R7
R8
R9
RA
RB
RC
: Data bus
: Signal line
RESET
TOC
EVND
TOD
INT
SI2
SO2
SCK2
AVCC
AVSS
AN0
AN1
AN2
AN3
R0
port
R1
port
R2
port
R3
port
R4
port
RC
port
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
0
1
2
3
R5
port
R6
port
R7
port
R8
port
R9
port
RA
port
RB
port
SI
SO
SCK
ROM
(16,384
× 10 bits)
(8,192
× 10 bits)
D
port
High current
pins
D
0
1
2
3
4
5
6
7
8
9
10
11
12
13
0
1
2
3
EVNB
TOB
1
SPY
(4 bits)
ALU
×
TEST
STOPC
OSC
1
OSC
2
X1
X2
V
CC
GND
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