參數(shù)資料
型號(hào): UPD78F9222CS-CAC-A
廠商: Renesas Electronics America
文件頁(yè)數(shù): 9/125頁(yè)
文件大?。?/td> 0K
描述: MCU 8BIT 4KB FLASH 20PIN
標(biāo)準(zhǔn)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(shè)備: LVD,POR,PWM,WDT
輸入/輸出數(shù): 15
程序存儲(chǔ)器容量: 4KB(4K x 8)
程序存儲(chǔ)器類型: 閃存
RAM 容量: 256 x 8
電壓 - 電源 (Vcc/Vdd): 2 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 4x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 20-DIP(0.300",7.62mm)
包裝: 托盤(pán)
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CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00
User’s Manual U16898EJ6V0UD
104
(1) Pulse width measurement with free-running counter and one capture register
Specify both the rising and falling edges as the valid edges of the TI000 pin, by using bits 4 and 5 (ES000 and
ES010) of PRM00.
When 16-bit timer counter 00 (TM00) is operated in free-running mode, and the valid edge specified by
PRM00 is input, the value of TM00 is taken into 16-bit timer capture/compare register 010 (CR010) and an
external interrupt request signal (INTTM010) is set.
Sampling is performed using the count clock selected by PRM00, and a capture operation is only performed
when a valid level of the TI000 pin is detected twice, thus eliminating noise with a short pulse width.
Caution
The measurable pulse width in this operation example is up to 1 cycle of the timer counter.
Figure 6-18. Control Register Settings for Pulse Width Measurement with Free-Running Counter
and One Capture Register (When TI000 and CR010 Are Used)
(a) Capture/compare control register 00 (CRC00)
7
0
6
0
5
0
4
0
3
0
CRC002
1
CRC001
0/1
CRC000
0
CRC00
CR000 used as compare register
CR010 used as capture register
(b) Prescaler mode register 00 (PRM00)
ES101
0/1
ES100
0/1
ES010
1
ES000
1
3
0
2
0
PRM001
0/1
PRM000
0/1
PRM00
Selects count clock (setting “11” is prohibited).
Specifies both edges for pulse width detection.
Setting invalid (setting “10” is prohibited.)
(c) 16-bit timer mode control register 00 (TMC00)
7
0
6
0
5
0
4
0
TMC003
0
TMC002
1
TMC001
0/1
OVF00
0
TMC00
Free-running mode
Remark
0/1: Setting 0 or 1 allows another function to be used simultaneously with pulse width measurement.
See the description of the respective control registers for details.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
UPD78F9222MC-5A4-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(biāo)準(zhǔn)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(shè)備:DMA,LVD,POR,PWM,WDT 輸入/輸出數(shù):27 程序存儲(chǔ)器容量:16KB(16K x 8) 程序存儲(chǔ)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(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:38-SSOP 包裝:托盤(pán)