参数资料
型号: ST72T85A5Q6
厂商: 意法半导体
英文描述: 8-BIT MCU FOR RDS WITH 48K ROM, 3K RAM, ADC, TWO TIMERS, TWO SPIs, I2C AND SCI INTERFACES
中文描述: 8位微控制器48,000铁路发展策略光盘,3K内存,ADC,两个定时器,2个SPI,I2C和脊髓损伤接口
文件页数: 110/117页
文件大小: 748K
代理商: ST72T85A5Q6
110/117
ST72E85 ST72T85
2.4 AC ELECTRICAL CHARACTERISTICS
(T
A
= -40 to +85
°
C unless otherwise specified)
2.5 CONTROL TIMING
(Operating conditions T
A
= -40 to +85
°
C unless otherwise specified)
Note: 1.
The minimum period t
should not be less than the number of cycle times it takes to execute the
interrupt service routine plus 21 cycles.
Symbol
Parameter
Conditions
Value
Typ.
Unit
Min
4.5
Max
5.5
V
DD
Operating Supply Voltage
4.332 MHz Internal
V
I
DD
Supply Current
RUN Mode f
EXT
= 8.664MHz
V
DD
= 5.0V, f
INT
= 4.332MHz
WAIT Mode f
EXT
= 8.664MHz
V
DD
= 5.5V, f
INT
= 4.332MHz
HALT Mode, V
DD
= 5.0V
3
TBD
20
5
mA
mA
μ
A
V
V
RM
Data Retention Mode
HALT Mode
2
Symbol
Parameter
Test Conditions
Value
Typ.
Unit
Min
Max
8.664
4.332
f
OSC
Frequency of Operation
V
DD
= 4.5V
f external
f internal
MHz
t
ILCH
Halt Mode Recovery
Startup Time
External RESET
Input pulse Width
Power Reset Duration
Watchdog RESET
Output Pulse Width
Watchdog Time-out
Interrupt Pulse Period
Crystal Oscillator
Start-up Time
Power up rise time
Crystal Resonator
20
ms
t
RL
1.5
t
CYC
t
PORL
4096
t
CYC
T
DOGL
200
ns
t
DOG
t
ILIL
12,288
(1)
786,432
t
CYC
t
CYC
t
OXOV
50
ms
t
DDR
V
DD
min
100
ms
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