參數(shù)資料
型號: μPD78F0974
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位單片機微控制器
文件頁數(shù): 27/40頁
文件大小: 232K
代理商: ΜPD78F0974
27
m
PD78F0974
A/D Converter Characteristics (T
A
= –40 to +85 °C, AV
DD
= V
DD
= 4.5 to 5.5 V, AV
SS
= V
SS
=0 V, f
X
= 8.38 MHz)
Resolution
8
bit
Overall error
Note
±0.6
%
Conversion time
t
CONV
19.1
m
s
Analog input voltage
V
IAN
AV
SS
AV
REF
V
Reference voltage
AV
REF
4.5
V
DD
V
AV
REF
–AV
SS
resistance
R
AIREF
When bit 7 (ADCS1) of the A/D converter mode
21.4
k
W
register (ADM1) is set to 0.
Note
Overall error excluding quantization error (±1/2 LSB). It is indicated as a ratio to the full-scale value.
EEPROM Characteristics (T
A
= –40 to +85 °C, AV
DD
= V
DD
= 4.5 to 5.5 V)
EEPROM write time
t
EEWR
f
X
= 5.12 MHz
3.4
ms
Data Memory STOP Mode Low Supply Voltage Data Retention Characteristics (T
A
= –40 to +85 °C)
Data retention supply
V
DDDR
2.0
5.5
V
voltage
Data retention supply
I
DDDR
V
DDDR
= 2.0 V
0.1
10
m
A
current disconnected
Release signal set time
t
SREL
0
m
s
Oscillation stabilization
t
WAIT
Release by RESET
2
17
/f
X
ms
wait time
Release by interrupt request
Note
ms
Note
In combination with bit 0 to bit 2 (OSTS0 to OSTS2) of oscillation stabilization time select register (OSTS),
selection of 2
12
/f
X
and 2
14
/f
X
to 2
17
/f
X
is possible.
Data Retention Timing (STOP Mode Release by RESET)
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
Parameter
Symbol
Test Conditions
MIN.
TYP.
MAX.
Unit
Internal Reset Operation
HALT Mode
Operating Mode
STOP Mode
Data Retention Mode
V
DDDR
t
SREL
STOP Instruction Execution
t
WAIT
V
DD
RESET
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