參數(shù)資料
型號： M38049MC-XXXFP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8.4 MHz, MICROCONTROLLER, PQFP64
封裝： 14 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-64
文件頁數(shù)： 64/138頁
文件大小： 1887K
代理商： M38049MC-XXXFP
Rev.4.01
Nov 14, 2003
page 29 of 136
3803/3804 Group
Fig. 24 Structure of port pull-up control register (3)
Port P4 pull-up control register
b7
b0
P40 pull-up control bit
0: No pull-up
1: Pull-up
P41 pull-up control bit
0: No pull-up
1: Pull-up
P42 pull-up control bit
0: No pull-up
1: Pull-up
P43 pull-up control bit
0: No pull-up
1: Pull-up
P44 pull-up control bit
0: No pull-up
1: Pull-up
P45 pull-up control bit
0: No pull-up
1: Pull-up
P46 pull-up control bit
0: No pull-up
1: Pull-up
P47 pull-up control bit
0: No pull-up
1: Pull-up
b7
b0
Port P5 pull-up control register
P50 pull-up control bit
0: No pull-up
1: Pull-up
P51 pull-up control bit
0: No pull-up
1: Pull-up
P52 pull-up control bit
0: No pull-up
1: Pull-up
P53 pull-up control bit
0: No pull-up
1: Pull-up
P54 pull-up control bit
0: No pull-up
1: Pull-up
P55 pull-up control bit
0: No pull-up
1: Pull-up
P56 pull-up control bit
0: No pull-up
1: Pull-up
P57 pull-up control bit
0: No pull-up
1: Pull-up
(PULL5: address 0FF516)
(PULL4: address 0FF416)
Note: Pull-up control is valid when the corresponding bit
of the port direction register is “0” (input).
When that bit is “1” (output), pull-up cannot be set
to the port of which pull-up is selected.
Note: Pull-up control is valid when the corresponding bit
of the port direction register is “0” (input).
When that bit is “1” (output), pull-up cannot be set
to the port of which pull-up is selected.
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相關代理商/技術參數(shù)
參數(shù)描述
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