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参数资料
| 型号： | ST52T430K3T6 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, OTPROM, 20 MHz, MICROCONTROLLER, PQFP32 |
| 封装： | TQFP-32 |
| 文件页数： | 4/88页 |
| 文件大小： | 1162K |
| 代理商： | ST52T430K3T6 |
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ST52T430/E430
1.3 Pin Description
VDD, VSS, VDDA, GNDA, VPP. In order to avoid
noise disturbances, the power supply of the digital
part is kept separate from the power supply of the
analog part.
VDD. Main Power Supply Voltage (5V± 10%).
VSS. Digital circuit ground.
VDDA. Analog VDD of the Analog to Digital
Converter.
GNDA. Analog VSS of the Analog to Digital
Converter. Must be tied to VSS.
VPP. Main Power Supply for internal EPROM
(12.5V
±5%, in programming phase) and MODE
s e l e c t or . D u r i n g t h e P r og ra m m i n g ph as e
(programming), VPP must be set at 12V. In the
Working phase VPP must be equal to VSS.
OSCin and OSCout. These pins are internally
connected with the on-chip oscillator circuit. A
quartz crystal or a ceramic resonator can be
connected between these two pins in order to allow
the correct operations of ST52x430 with various
stability/cost trade-off. An external clock signal can
be applied to OSCin, in this case OSCout must be
floating.
RESET. This signal is used to restart ST52x430 at
the beginning of its program. It also allows one to
select the program mode for EPROM.
Ain0-Ain8. These 8 lines are connected to the
input of the analog multiplexer. They allow the
ac q u i s i t i o n o f 8 an al og i n pu t . D u r i n g t h e
Programming phase, Ain0, Ain1, Ain2 and Ain3 are
used to manage EPROM operation.
PA0-PA7, PB0-PB7, PC0-PC7. These lines are
organized as I/O port. Each pin can be configured
as input or output. PA7/PB7 are tied to the same
output. During Programming phase PA port is used
for EPROM read/write data.
T0RES, T0CLK, T0STRT. These pins are related
with the internal Programmable Timer/PWM 0.
This Timer can be reset externally by using
T0RES. In Working Mode, T0RES resets the
address counter of the Timer. T0RES is active at
low level.
The Timer 0 Clock can be the internal clock or can
be supplied externally by using pin T0CLK.
An external Start/Stop signal can be used to
control the Timer through T0STRT pin.
T0OUT, T1OUT, T2OUT. The TIMER/PWM
outputs are available on these pins.
T0OUT, T1OUT , T2OUT . The TIMER/PWM
complementary outputs are available on these
pins.
Tx. Serial data output of SCI transmitter block
Rx. Serial data input of the SCI receiver block.
TEST. During the Programming and Working
phase it must be set to Vss.
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相关代理商/技术参数 |
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