參數(shù)資料
型號(hào): μPD78P4038
廠商: NEC Corp.
英文描述: 8/16 Bit Single Chip Microcontrollers(8/16位單片微控制器)
中文描述: 8 / 16位單片機(jī)微控制器(8 / 16位單片微控制器)
文件頁數(shù): 15/72頁
文件大?。?/td> 325K
代理商: ΜPD78P4038
μ
PD78P4038
15
(2) Non-port pins (2/2)
Notes 1.
The potential of the V
DD0
pin must be equal to that of the V
DD1
pin.
2.
The potential of the V
SS0
pin must be equal to that of the V
SS1
pin.
4.2 Pins for PROM Programming Mode (V
PP
+5 V or +12.5 V, RESET = L)
4.2.1 Pin functions
Pin
RESET
X1
X2
ANI0-ANI7
ANO0, ANO1
AV
REF1
AV
REF2
, AV
REF3
AV
DD
AV
SS
V
DD0
Note 1
V
DD1
Note 1
V
SS0
Note 2
V
SS1
Note 2
TEST
I/O
Input
Input
Input
Output
Function
Chip reset
Crystal input for system clock oscillation (A clock pulse can also be input
to the X1 pin.)
Analog voltage inputs for the A/D converter
Analog voltage inputs for the D/A converter
Application of A/D converter reference voltage
Application of D/A converter reference voltage
Positive power supply for the A/D converter
Ground for the A/D converter
Positive power supply of the port part
Positive power supply except for the port part
Ground of the port part
Ground except for the port part
Directly connect to V
SS0
. (The TEST pin is for the IC test.)
Alternate-Function
P70-P77
Pin Name
V
PP
RESET
A0-A16
D0-D7
CE
OE
PGM
V
DD
V
SS
I/O
Input
I/O
Input
Function
PROM programming mode selection
High voltage input during program write or verification
PROM programming mode selection
Address bus
Data bus
PROM enable input/program pulse input
Read strobe input to PROM
Program/program inhibit input during PROM programming mode
Positive power supply
GND
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