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參數(shù)資料
| 型號(hào)： | TS68HC901 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | HCMOS Multi-Function Peripheral(HCMOS多功能外圍) |
| 中文描述： | HCMOS多功能外設(shè)（HCMOS多功能外圍） |
| 文件頁數(shù)： | 16/42頁 |
| 文件大?。?/td> | 368K |
| 代理商： | TS68HC901 |
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7
ACTIVE EDGE REGISTER
0
AER
(03h)
GPIP7
GPIP6
GPIP5
GPIP4
GPIP3
GPIP2
GPIP1
GPIP0
1 = RISING
2 = FALLING
DATA DIRECTION REGISTER
DDR
(05h)
GPIP7
GPIP6
GPIP5
GPIP4
GPIP3
GPIP2
GPIP1
GPIP0
1 = OUTPUT
2 = INPUT
GENERAL PURPOSE I/O DATA REGISTER
GPIP
(01h)
GPIP7
GPIP6
GPIP5
GPIP4
GPIP3
GPIP2
GPIP1
GPIP0
Figure 11 :
Note
The transition detector is an exclusive-OR gate
whose inputs are the edge bit and the input buffer.
As aresult, writing theEAR may cause an interrupt-
producing transition, depending upon the state of
theinput. So, the AER should be configured before
enabling interruptsviathe interrupt enable registers
(IERA and IERB). Also, changing the edge bitwhile
interrupts areenabled maycauseaninterrupton the
corresponding channel.
DATA DIRECTION REGISTER
The data direction register (DDR) allows the pro-
grammer todefineI0 through I7as inputs oroutputs
by writing the corresponding bit. When a bit of the
data direction register is written as a zero, the cor-
responding interrupt I/O pin will be a high-impe-
dance input. Writing a one to any bit of the datadi-
rection register will cause the corresponding pin to
be configured as a push-pull output.
TS68HC901
16/42
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相關(guān)代理商/技術(shù)參數(shù) |
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| TS68HC901CFN4 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HCMOS MULTI-FUNCTION PERIPHERAL |
| TS68HC901CFN5 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HCMOS MULTI-FUNCTION PERIPHERAL |
| TS68HC901CFN8 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HCMOS MULTI-FUNCTION PERIPHERAL |
| TS68HC901CP4 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HCMOS MULTI-FUNCTION PERIPHERAL |
| TS68HC901CP5 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:HCMOS MULTI-FUNCTION PERIPHERAL |
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