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參數(shù)資料
| 型號： | μPD78056F |
| 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位單片機(jī)微控制器 |
| 文件頁數(shù)： | 13/76頁 |
| 文件大?。?/td> | 571K |
| 代理商： | ΜPD78056F |
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13
μ
PD78056F, 78058F
P66
P67
P10 to P17
P130, P131
—
—
—
—
—
—
—
P07
—
—
—
—
3.2
Non-port Pins (2/2)
Alternate
Function
Function
Pin Name
I/O
Input
Output
Input
Output
Input
Input
—
—
Input
Input
—
Input
—
—
—
—
WAIT
ASTB
ANI0 to ANI7
ANO0, ANO1
AV
REF0
AV
REF1
AV
DD
AV
SS
RESET
X1
X2
XT1
XT2
V
DD
V
SS
IC
Wait insertion at external memory access.
Strobe output which latches the address information output at port 4 to
access external memory.
A/D converter analog input.
D/A converter analog output.
A/D converter reference voltage input.
—
D/A converter reference voltage input.
—
A/D converter analog power supply (shared with the port power supply)
—
A/D and D/A converter ground potential (shared with the port ground potential)
—
System reset input.
—
Main system clock oscillation crystal connection.
—
—
Subsystem clock oscillation crystal connection.
—
Positive power supply (except for port).
—
Ground potential (except for port).
—
Internally connected. Connect directly to V
SS
.
—
After
Reset
Input
Input
Input
Input
Input
Cautions 1.
The AV
DD
pin functions as both an A/D converter power supply and a port power supply. When
the
μ
PD78056F and 78058F are used in applications where the noise generated inside the
microcontroller needs to be reduced, connect the AV
DD
pin to another power supply which has
the same potential as V
DD
.
The AV
SS
pin functions as both an A/D converter and D/A converter ground and as a port
ground. When the
μ
PD78056F and 78058F are used in applications where the noise generated
inside the microcontroller needs to be reduced, connect the AV
SS
pin to a ground line other than
V
SS
.
2.
A8 to A15
RD
WR
Output
Output
High-order address bus at external memory expansion.
External memory read operation strobe signal output.
External memory write operation strobe signal output.
Input
Input
P50 to P57
P64
P65
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