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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: 45/174頁
文件大小: 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.
45
Versi on 0. 4, March/2000
logical high.
and PINT are
Bit 31
stable for at least 2 debounce clock
(TCLK_BUN)) will set releated bits in this register to
Besides, GPIO module will not issue interrupt request to CPU host until the same bits of PIEN
both set high.
: Reserved
GPIO Input Data Register (PIDATA)
Port address : 0x00000060
32h0000_0000
Read
Power-on Default :
0 16 31
15
30
Reserved
PIDATA
Reserve
d
Bit 0_15 : Reserved
Bit 16_30
These 15 bits always echo GPIO[0:14] pin status no matter the GPIOs are programmed as
input or output
pins. All input ports of GPIO[0:14] are debunced first by TCLK_BUN before they be echoed by
these bits.
Bit 31
: Reserved
: GPIO Pin Status :
Debounce Clock Select Register
Port address : 0x00000064
Read/Write
Power-on Default : 32h0000_0000
0
28
31
29
Reserved
CLKREG
Bit 0_28
Bit 29_31
(TCLK) and
: Reserved
: Debounce Clock Rate Selector
These 3 bits are used to select the debounce circuit clock rate. The relationship of system clock
debounce clock (TCLK_BUN) according to these 3 bits are as following :
TCLK_BUN = TCLK/CLKREG[29:31]
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