參數(shù)資料
型號(hào): μPD78P0308Y
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): 18/70頁
文件大小: 552K
代理商: ΜPD78P0308Y
μ
PD78P0308Y
18
Preliminary Data Sheet
Pin Name
Input/Output
Function
RESET
Input
PROM programming mode setting.
When +5 V or +12.5 V is applied to the V
PP
pin and a low-level signal is applied to the RESET
pin, this chip is set in the PROM programming mode.
V
PP
Input
PROM programming mode setting and high voltage application during program write/verification.
A0-A16
Input
Address bus.
D0-D7
Input/output
Data bus.
CE
Input
PROM enable input/program pulse input.
OE
Input
Read strobe input to PROM.
PGM
Input
Program/program inhibit input in PROM programming mode.
V
DD
Positive power supply.
V
SS
Ground potential.
Pin Name
Input/Output
Function
After Reset
Alternate Function
ANI0-ANI7
Input
A/D converter analog input.
Input
P10-P17
AV
REF
Input
A/D converter reference voltage input
(also used for analog input).
AV
SS
A/D converter ground potential. Set to the same potential as V
SS0
.
RESET
Input
System reset input.
X1
Input
Crystal resonator connection for main system clock
X2
oscillation.
XT1
Input
Crystal resonator connection for subsystem clock
Input
P07
XT2
oscillation.
V
DD0
Positive power supply for ports.
V
SS0
Ground potential for ports.
V
DD1
Positive power supply (except for ports and analog).
V
SS1
Ground potential (except for ports and analog).
V
PP
High voltage application in program write/verify mode.
Connect directly to V
SS0
or V
SS1
in normal operating mode.
(2) Non-port pins (2/2)
2.2
Pins in PROM Programming Mode
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