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参数资料
| 型号： | μPD78F4216Y |
| 厂商： | NEC Corp. |
| 英文描述： | 8/16 Bit RISC Microcontrollers(8/16位RISC微控制器) |
| 中文描述： | 8 / 16位RISC微控制器（8 / 16位的RISC微控制器） |
| 文件页数： | 14/56页 |
| 文件大小： | 407K |
| 代理商： | ΜPD78F4216Y |
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14
μ
PD78F4216Y
Preliminary Data Sheet U11824EJ1V0DS00
4.2 Pins Other Than Port Pins (2/2)
Pin Name
I/O
Alternate Function
Function
PCL
Output
P23
Clock output (for trimming of main system clock and subsystem
clock)
BUZ
Output
P24
Buzzer output
RTP0 to RTP7
Output
P120 to P127
Real-time output port from which data is output in synchronization
with trigger
AD0 to AD7
I/O
P40 to P47
Lower address/data bus for expanding memory externally
A0 to A7
Output
P80 to P87
Lower address bus for expanding memory externally
A8 to A15
P50 to P57
Middle address bus for expanding memory externally
A16 to A19
P60 to P63
Higher address bus for expanding memory externally
RD
Output
P64
Strobe signal output for reading from external memory
WR
P65
Strobe signal output for writing external memory
WAIT
Input
P66
Wait insertion at external memory access
ASTB
Output
P67
Strobe output that externally latches address information output to
ports 4 through 6 and port 8 to access external memory
RESET
Input
—
System reset input
X1
Input
—
Connecting crystal resonator for main system clock oscillation
X2
—
XT1
Input
—
Connecting crystal resonator for subsystem clock oscillation
XT2
—
ANI0 to ANI7
Input
P10 to P17
A/D converter analog voltage input
ANO0, ANO1
Output
P130, P131
D/A converter analog voltage output
AV
REF0
—
—
To apply A/D converter reference voltage
AV
REF1
To apply D/A converter reference voltage
AV
DD
A/D converter positive power supply. Connect to V
DD
.
AV
SS
GND for A/D converter and D/A converter. Connect to V
SS
.
V
DD
Positive power supply
V
SS
GND
V
PP
Sets flash memory programming mode.
To apply a high voltage when program is written or verified.
In normal operation mode, connect directly to V
SS
.
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