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參數(shù)資料
| 型號(hào)： | R5F21123DFP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP32 |
| 封裝： | 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32 |
| 文件頁(yè)數(shù)： | 192/198頁(yè) |
| 文件大?。?/td> | 1809K |
| 代理商： | R5F21123DFP |
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R8C/12 Group
Rev.1.20
Jan 27, 2006
page 83 of 181
REJ09B0110-0120
12.3.4 Programmable Wait One-shot Generation Mode
In this mode, upon program or external trigger input (input to the INT0 pin), the microcomputer outputs
the one-shot pulse from the TZOUT pin after waiting for a given length of time (see “Table 12.12
Programmable Wait One-shot Generation Mode Specifications”). When a trigger occurs, from this
point, the timer starts outputting pulses only once for a given length of time equal to the set value in the
TZSC register after waiting for a given length of time equal to the set value in the TZPR register.
Figure 12.26 shows the TYZMR and PUM registers in this mode. Figure 12.27 shows an operation
example in this mode.
Item
Specification
Count source
f1, f2, f8, Timer Y underflow
Count operation
Downcounts set value in Timer Z primary
When a counting of TZPR register underflows, the timer reloads the contents of TZSC
register before continuing counting.
When a counting of TZSC register underflows, the timer reloads the contents of TZPR
register before completing counting.
When a count stops, the timer reloads the contents of the reload register before it stops.
Wait time
(n+1)(m+1)/fi
n: set value in PREZ register, m: set value in TZPR register
One-shot pulse output time (n+1)(p+1)/fi
n : set value in PREZ, p: set value in TZSC register
Count start condition
Set TZOS bit in TYZOC register to “1” (start one-shot)(1)
_______
Input active trigger to INT0 pin(2)
Count stop condition
When reloading is completed after count value at counting TZSC register was set to
"0016"
When TZS bit in TYZMR register is set to “0” (stop counting)
When TZOS bit in TYZOC register is set to “0” (stop one-shot)
Interrupt request generation timing In half cycles of count source, after count value at counting TZSC register is set "0016"
(at the same time as the TZout output change) [Timer Z interrupt]
TZOUT pin function
Pulse output
Use timer mode when using this pin as a programmable I/O port.
_______
INT0 pin function
_______
Programmable I/O port, INT0 interrupt input or external trigger input
_______
When the INOSTG bit in the PUM register is set to “0” (INT0 one-shot trigger disabled)
_______
Programmable I/O port or INT0 interrupt input
_______
When the INOSTG bit in the PUM register is set to “1” (INT0 one-shot trigger enabled)
_______
external trigger (INT0 interrupt input)
Read from timer
Count value can be read out by reading TZPR register.
Same applies to PREZ register.
Write to timer
Value written to TZPR register and PREZ register are written to reload register only(3).
Same applies to TZSC register.
Select function
Output level latch select function
Output level for one-shot pulse waveform is selected by TZOPL bit.
_______
INT0 pin one-shot trigger control function and polarity select function
_______
Trigger input from INT0 pin can be set to active or inactive by INOSTG bit. Also, an
active trigger's polarity can be selected by INOSEG bit.
NOTES:
1. The TZS bit in the TYZMR register must be set to "1" (start counting).
_______
2. The TZS bit must be set to "1" (start counting), the INT0EN bit in the INTEN register to "1" (enabling INT0 input), and
the INOSTG bit in the PUM register to "1" (enabling INT0 one-shot trigger).
_______
Although the trigger input during counting cannot be acknowledged, the INT0 interrupt request is generated.
3. The set values are reflected beginning with the next one-shot pulse after writing to the TZPR register.
12.3 Timer (Timer Z)
Table 12.12 Programmable Wait One-shot Generation Mode Specifications
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| R5F21123DFP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16-Bit R8C CISC 12KB Flash 3.3V/5V 32-Pin LQFP Tray 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 12KB FLASH 3.3V/5V 32LQFP - Trays |
| R5F21123DFP#V0 | 功能描述:IC R8C MCU FLASH 32LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/1x/12 標(biāo)準(zhǔn)包裝:250 系列:80C 核心處理器:8051 芯體尺寸:8-位 速度:16MHz 連通性:EBI/EMI，I²C，UART/USART 外圍設(shè)備:POR，PWM，WDT 輸入/輸出數(shù):40 程序存儲(chǔ)器容量:- 程序存儲(chǔ)器類型:ROMless EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線） 包裝:帶卷 (TR) |
| R5F21123FP | 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 12KB FLASH 3.3V/5V 32LQFP - Trays 制造商:Renesas Electronics Corporation 功能描述:16BIT MCU FLASH SMD 21123 LQFP32 |
| R5F21123FP#U0 | 制造商:Renesas Electronics Corporation 功能描述:MCU 16-Bit R8C CISC 12KB Flash 3.3V/5V 32-Pin LQFP Tray 制造商:Renesas Electronics Corporation 功能描述:MCU 16BIT R8C CISC 12KB FLASH 3.3V/5V 32LQFP - Trays |
| R5F21123FP#V0 | 功能描述:IC R8C MCU FLASH 12K 32LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:R8C/1x/12 標(biāo)準(zhǔn)包裝:250 系列:80C 核心處理器:8051 芯體尺寸:8-位 速度:16MHz 連通性:EBI/EMI，I²C，UART/USART 外圍設(shè)備:POR，PWM，WDT 輸入/輸出數(shù):40 程序存儲(chǔ)器容量:- 程序存儲(chǔ)器類型:ROMless EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4.5 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:68-LCC（J 形引線） 包裝:帶卷 (TR) |
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