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參數資料
型號: W90221F
廠商: WINBOND ELECTRONICS CORP
英文描述: PA-RISC Embedded Micro-Controller(惠普PA-RISC結構的32位嵌入式微控制器)
中文描述: PA - RISC的嵌入式微控制器(惠普的PA - RISC結構的32位嵌入式微控制器)
文件頁數: 41/174頁
文件大?。?/td> 2102K
代理商: W90221F
=
The above information is the exclusive intellectual property of Winbond Electronics and shall not be disclosed, distributed or reproduced without permission from Winbond.
41
Versi on 0. 4, March/2000
SYNC
SDI
D1_1
D1_2
D1_3
D2_1
D2_2
D2_3
D3_1
D3_2
D3_3
D1_1
D1_2
SDO
D1_1
D1_2
D1_3
D2_1
D2_2
D2_3
D3_1
D3_2
D3_3
D1_1
D1_2
SCLK
Fig 5.1.6-3 SSI short framing transfer
5.12 TIMER CHANNELS
Overview :
Two 24-bit decrementing timers are implemented, corresponding to the TCR1, TICR1 and TCR2, TICR2
independently. When the timers' interrupt enable bit is set high and the counter decrements to zero, the
timer will assert its interrupt requext signal. When a timer reaches zero, the timer hadrware reloads the
counter with the value from the timer initial counter register and continues decrementing.
Block Diagram :
CONTROL FROM CPU
*Note :
Features :
Two 24-bit decremental timer channels with individual interrupt requests
Programmable timer clocks for each channels, the clock range is OSC ~ OSC/8'hFF
maximum uninterrupted time or timeout = 5 minutes (if OSC = 14.318MHz)
Typical OSC frequence is 14.318MHz.
Related Pins :
(None)
TCR1
TCR1_CNT
TICR1
TICR1_CNT
TO Interrupt module
-1
TICR1_CNT=24h 0
TCR1_CNT=8h0
-1
The above block diagram is timer channel 1. Block diagrams of these two
timer channels are the same.
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