參數(shù)資料
型號(hào): μPD78P064
廠(chǎng)商: NEC Corp.
元件分類(lèi): 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(yè)數(shù): 17/70頁(yè)
文件大?。?/td> 473K
代理商: ΜPD78P064
17
m
PD78P064
(2)
PINS OTHER THAN PORT PINS (2/2)
Pin Name
Input/Output
Function
Dual-Function Pin
ANI0 to ANI7
Input
Analog input of A/D converter
P10 to P17
AV
REF
Input
Reference voltage input of A/D converter
AV
DD
Analog power supply of A/D converter
AV
SS
Ground potential of A/D converter
RESET
Input
System reset input
X1
Input
Main system clock oscillation crystal connection
X2
XT1
Input
Subsystem clock oscillation crystal connection
P07
XT2
V
DD
Positive power supply
V
PP
High-voltage applied during program write/verification
Connected directly to V
SS
in normal operating mode
V
SS
Ground potential
2.2
PINS IN PROM PROGRAMMING MODE
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 applied during program write/
verification
A0 to A16
Input
Address bus
D0 to 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 programing mode.
V
DD
Positive power supply
V
SS
Ground potential
After Reset
Input
Input
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