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ST10F296 数据表(PDF) 133 Page - STMicroelectronics |
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ST10F296 数据表(HTML) 133 Page - STMicroelectronics |
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133 / 346 page  Obsolete Product(s) - Obsolete Product(s) ST10F296E Parallel ports 133/346 13.4 Port 2 If this 16-bit port is used for general purpose I/O, the direction of each line can be configured via the corresponding direction register DP2. Each port line can be switched into push-pull or open-drain mode via the open-drain control register ODP2. 13.4.1 Port 2 registers P2 register DP2 register P2 (FFC0h/E0h) SFR Reset value: 0000h 15 14 13 12 11 10 987 65432 10 P2 .15 P2 .14 P2 .13 P2 .12 P2 .11 P2 .10 P2 .9 P2 .8 P2 .7 P2 .6 P2 .5 P2 .4 P2 .3 P2 .2 P2 .1 P2 .0 RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW Table 71. P2 register description Bit Bit name Function 15-0 P2.y Port data register P2 bit y DP2 (FFC2h/E1h) SFR Reset value: 0000h 15 14 13 12 11 10 987 65432 10 DP2 .15 DP2 .14 DP2 .13 DP2 .12 DP2 .11 DP2 .10 DP2 .9 DP2 .8 DP2 .7 DP2 .6 DP2 .5 DP2 .4 DP2 .3 DP2 .2 DP2 .1 DP2 .0 RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW RW Table 72. DP2 register description Bit Bit name Function 15-0 DP2.y Port direction register DP2 bit y 0: Port line P2.y is an input (high impedance) 1: Port line P2.y is an output Obsolete Product(s) - Obsolete Product(s) |
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