參數(shù)資料
型號： UPD78F9221MC-5A4-A
廠商： Renesas Electronics America
文件頁數(shù)： 10/125頁
文件大?。?/td> 0K
描述： MCU 8BIT 2KB FLASH 20PIN
標準包裝： 400
系列： 78K0S/Kx1+
核心處理器： 78K0S
芯體尺寸： 8-位
速度： 10MHz
連通性： LIN，UART/USART
外圍設備： LVD，POR，PWM，WDT
輸入/輸出數(shù)： 15
程序存儲器容量： 2KB（2K x 8）
程序存儲器類型： 閃存
RAM 容量： 128 x 8
電壓 - 電源 (Vcc/Vdd)： 2 V ~ 5.5 V
數(shù)據(jù)轉換器： A/D 4x10b
振蕩器型： 內部
工作溫度： -40°C ~ 85°C
封裝/外殼： 20-LSSOP（0.240"，6.10mm 寬）
包裝： 托盤
CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00
User’s Manual U16898EJ6V0UD
105
Figure 6-19. Configuration Diagram for Pulse Width Measurement by Free-Running Counter
fXP
fXP/22
fXP/26
TI000/INTP0/P30
16-bit timer/counter 00
(TM00)
16-bit timer capture/compare
register 010 (CR010)
Internal bus
INTTM010
Selector
Figure 6-20. Timing of Pulse Width Measurement Operation by Free-Running Counter
and One Capture Register (with Both Edges Specified)
t
0000H
FFFFH
0001H
D0
(D1
D0) × t
(D3
D2) × t
(D2
D1) × t
D1
D2
D3
D2
D3
D0 + 1
D1
D1 + 1
Note
Count clock
TM00 count value
TI000 pin input
CR010 capture value
INTTM010
Note The carry flag is set to 1. Ignore this setting.
(2) Measurement of two pulse widths with free-running counter
When 16-bit timer counter 00 (TM00) is operated in free-running mode, it is possible to simultaneously
measure the pulse widths of the two signals input to the TI000 pin and the TI010 pin.
Specify both the rising and falling edges as the valid edges of the TI000 and TI010 pins, by using bits 4 and 5
(ES000 and ES010) and bits 6 and 7 (ES100 and ES110) of PRM00.
When the valid edge specified by bits 4 and 5 (ES000 and ES010) of PRM00 is input to the TI000 pin, the
value of TM00 is taken into 16-bit timer capture/compare register 000 (CR010) and an interrupt request signal
(INTTM010) is set.
Also, when the valid edge specified by bits 6 and 7 (ES100 and ES110) of PRM00 is input to the TI010 pin, the
value of TM00 is taken into 16-bit timer capture/compare register 000 (CR000) and an interrupt request signal
(INTTM000) is set.
Sampling is performed using the count clock cycle selected by prescaler mode register 00 (PRM00), and a
capture operation is only performed when a valid level of the TI000 or TI010 pin is detected twice, thus
eliminating noise with a short pulse width.
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相關代理商/技術參數(shù)
參數(shù)描述
UPD78F9222CS-CAC-A 功能描述:MCU 8BIT 4KB FLASH 20PIN RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:78K0S/Kx1+ 標準包裝:300 系列:78K0R/Ix3 核心處理器:78K/0R 芯體尺寸:16-位 速度:40MHz 連通性:3 線 SIO，I²C，LIN，UART/USART 外圍設備:DMA，LVD，POR，PWM，WDT 輸入/輸出數(shù):27 程序存儲器容量:16KB（16K x 8） 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉換器:A/D 8x10b 振蕩器型:內部 工作溫度:-40°C ~ 85°C 封裝/外殼:38-SSOP 包裝:托盤
UPD78F9222MC 制造商:Renesas Electronics Corporation 功能描述:UPD78F9222MC
UPD78F9222MC(A)-5A4-A 制造商:Renesas Electronics Corporation 功能描述:
UPD78F9222MC(T)-5A4 制造商:Renesas Electronics Corporation 功能描述:
UPD78F9222MC(T)-5A4-A 制造商:NEC Electronics Corporation 功能描述:8BIT MCU 4K FLASH 256B RAM 78F9222 制造商:NEC Electronics Corporation 功能描述:8BIT MCU, 4K FLASH, 256B RAM, 78F9222 制造商:NEC Electronics Corporation 功能描述:8BIT MCU, 4K FLASH, 256B RAM, 78F9222; Controller Family/Series:UPD78; Core Size:8bit; No. of I/O's:17; Supply Voltage Min:2V; Supply Voltage Max:5.5V; Digital IC Case Style:SSOP; No. of Pins:20; Program Memory Size:4KB; RAM Memory ;RoHS Compliant: Yes
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