参数资料
型号: ST72F321J7T1
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP44
封装: 10 X 10 MM, PLASTIC, TQFP-44
文件页数: 66/176页
文件大小: 1112K
代理商: ST72F321J7T1
ST72321J
158/176
CONTROL PIN CHARACTERISTICS (Cont’d)
12.9.2 VPP Pin
Subject to general operating conditions for VDD,fCPU, and TA unless otherwise specified.
Figure 91. Two typical Applications with VPP Pin
2)
Notes:
1. Data based on design simulation and/or technology characteristics, not tested in production.
2. When the ICC mode is not required by the application VPP pin must be tied to VSS.
12.10 TIMER PERIPHERAL CHARACTERISTICS
Subject to general operating conditions for VDD,fOSC, and TA unless otherwise specified.
Refer to I/O port characteristics for more details on the input/output alternate function characteristics (out-
put compare, input capture, external clock, PWM output...).
12.10.1 8-Bit PWM-ART Auto-Reload Timer
12.10.2 16-Bit Timer
Symbol
Parameter
Conditio ns
Min
Max
Unit
VIL
Input low level voltage 1)
FLASH versions
VSS
0.2
V
ROM versions
VSS
0.3xVDD
VIH
Input high level voltage 1)
FLASH versions
VDD-0.1
12.6
ROM versions
0.7xVDD
VDD
IL
Input leakage current
VIN=VSS
±1
A
Symbol
Parameter
Condit ions
Min
Typ
Max
Unit
tres(PWM) PWM resolution time
1tCPU
fCPU=8MHz
125
ns
fEXT
ART external clock frequency
0
fCPU/2
MHz
fPWM
PWM repetition rate
0
fCPU/2
ResPWM PWM resolution
8
bit
VOS
PWM/DAC output step voltage
VDD=5V, Res=8-bits
20
mV
VPP
ST72XXX
10k
PROGRAMMING
TOOL
VPP
ST72XXX
Symbol
Parameter
Condit ions
Min
Typ
Max
Unit
tw(ICAP)in Input capture pulse time
1
tCPU
tres(PWM) PWM resolution time
2tCPU
fCPU=8MHz
250
ns
fEXT
Timer external clock frequency
0
fCPU/4
MHz
fPWM
PWM repetition rate
0
fCPU/4
MHz
ResPWM PWM resolution
16
bit
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