參數(shù)資料
型號： UPD78F9222CS-CAC-A
廠商： Renesas Electronics America
文件頁數(shù)： 9/125頁
文件大小： 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
程序存儲器容量： 4KB（4K x 8）
程序存儲器類型： 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
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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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(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
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