參數(shù)資料
型號: MB91101APF-G-JNE1
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 50 MHz, RISC MICROCONTROLLER, PQFP100
封裝: 14 X 20 MM, 3.35 MM HEIGHT, 0.65 MM PITCH, PLASTIC, QFP-100
文件頁數(shù): 39/100頁
文件大?。?/td> 2083K
代理商: MB91101APF-G-JNE1
MB91101 Series
DS07-16301-6E
43
4.
U-TIMER (16-bit Timer for UART Baud Rate Generation)
The U-TIMER is a 16-bit timer for generating UART baud rate. Combination of chip operating frequency
and reload value of U-TIMER allows flexible setting of baud rate.
The U-TIMER operates as an interval timer by using interrupt issued on counter underflow.
The MB91101 Series has 3 channel U-TIMER embedded on the chip. An interval of up to 216
× φ can be
counted.
Block diagram
Register configuration
UTIMR (reload register)
bit 15
bit 0
UTIM ( U-TIMER register)
bit 15
bit 0
Clock
Underflow
To UART
φ
(Peripheral clock)
Control
f.f.
Load
bit 15
bit 0
00000078H
00000079H
0000007CH
0000007DH
00000080H
00000081H
0000007BH
0000007FH
00000083H
(R/W)
Address
Initial value
UTIM0/UTIMR0
UTIM1/UTIMR1
UTIM2/UTIMR2
UTIMC0
UTIMC1
UTIMC2
:Access
:Readable and writable
:Unused
( )
R/W
0 0 0 0 0 0 0 0B
0 - - 0 0 0 0 1B
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