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參數(shù)資料
| 型號(hào)： | TC9324F |
| 廠商： | Toshiba Corporation |
| 英文描述： | Single-Chip DTS Microcontroller (DTS-20) |
| 中文描述： | 單芯片微丘（丘- 20） |
| 文件頁(yè)數(shù)： | 29/101頁(yè) |
| 文件大小： | 1831K |
| 代理商： | TC9324F |
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TC9324F
2002-02-08
29
System Reset
A system reset on the device occurs when an L signal is applied to the RESET pin, or when the voltage
supplied to the V
DD
pin goes from 0 V to more than 3.5 V (a power-on reset). Following a system reset, the
program starts from address 0 after a standby period of 100 ms.
Because the power-on reset function is typically used, fix the RESET pin to the H level.
Note: The power-on reset function can be disabled by using the Al switch. Please clearly specify whether you
want the power-on reset function disabled or not in your ES order sheet. If the power-on reset function is
disabled, use the RESET pin to trigger resets.
Note: During a system reset and during the standby period following the reset, the LCD common signal and
segment outputs are fixed at the L level.
Note: After a system reset, the non-initialized internal ports shown in the previous I/O map must be initialized by
software. After a reset, the ports and bits on the I/O map indicated by the symbol are fixed to 0 and the
ports and bits indicated by the symbol are fixed to 1. Ports and bits with no symbol are undefined.
Note: If there is a possibility of the supply voltage falling below 3.5 V, set to Clock Stop mode or trigger a reset.
Re-applying the power supply voltage after it has dropped to below 0.3 V to 0.6 V triggers a power-on
reset.
φ
L2
OUT2
I/O
Code
Y1
Y2
Y4
Y8
I/O port 1 control
0
-0
-1
-2
-3
φ
L1
OUT1
I/O
Code
Y1
Y2
Y4
Y8
Reference select
6
R0
R1
R2
R3
After a system reset, the
ports with no symbols are
undefined.
After a system reset,
these ports are all reset to
1.
After a system reset, ports
and bits with no symbol
are undefined.
<Operation Timing Example>
CPU operating
V
DD
pin
GND
RESET
pin
GND
XOUT1/2 pin
Internal reset
signal
Reset
Standby
(approx. 100 ms)
CPU operating
Standby
(approx.
100 ms)
CPU
operating
Standby
(approx. 100 ms)
A reset from the RESET
pin halts the crystal oscillator.
(Note)
(Note)
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TC9325F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Single-Chip DTS Microcontroller (DTS-20) |
| TC9327 | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:DTS MICROCONTROLLER |
| TC9327BFG | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:DTS Microcontroller (DTS-21) |
| TC9327F | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:DTS MICROCONTROLLER |
| TC9328AF | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:Portable Audio DTS Controller (DTS-21) |
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