參數(shù)資料
型號: UPD78F9222MC-5A4-A
廠商: Renesas Electronics America
文件頁數(shù): 25/125頁
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-LSSOP(0.240",6.10mm 寬)
包裝: 托盤
CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00
User’s Manual U16898EJ6V0UD
118
Figure 6-33. Timing of One-Shot Pulse Output Operation with Software Trigger
0000H
N
NN
N
MM
M
NM
N + 1
N
1M 1
0001H
M + 1 M + 2
0000H
Count clock
TM00 count
CR010 set value
CR000 set value
OSPT00
INTTM010
INTTM000
TO00 pin output
Set TMC00 to 04H
(TM00 count starts)
Caution
16-bit timer counter 00 starts operating as soon as a value other than 00 (operation stop
mode) is set to the TMC003 and TMC002 bits.
Remark
N < M
(2) One-shot pulse output with external trigger
A one-shot pulse can be output from the TO00 pin by setting 16-bit timer mode control register 00 (TMC00),
capture/compare control register 00 (CRC00), and 16-bit timer output control register 00 (TOC00) as shown in
Figure 6-34, and by using the valid edge of the TI000 pin as an external trigger.
The valid edge of the TI000 pin is specified by bits 4 and 5 (ES000, ES010) of prescaler mode register 00
(PRM00). The rising, falling, or both the rising and falling edges can be specified.
When the valid edge of the TI000 pin is detected, the 16-bit timer/event counter is cleared and started, and the
output becomes active at the count value set in advance to 16-bit timer capture/compare register 010
(CR010).
After that, the output becomes inactive at the count value set in advance to 16-bit timer
capture/compare register 000 (CR000)
Note.
Note The case where N < M is described here. When N > M, the output becomes active with the CR000
register and inactive with the CR010 register. Do not set N to M.
Caution
Do not input the external trigger again while the one-shot pulse is output. To output the one-
shot pulse again, wait until the current one-shot pulse output is completed.
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