參數(shù)資料
型號： PSD4235G2-90UT
廠商： STMICROELECTRONICS
元件分類： 微控制器/微處理器
英文描述： 256K X 16 FLASH, 52 I/O, PIA-GENERAL PURPOSE, PQFP80
封裝： PLASTIC, TQFP-80
文件頁數(shù)： 14/100頁
文件大小： 933K
代理商： PSD4235G2-90UT
PSD4235G2
20/100
REGISTER BIT DEFINITION
All the registers of the PSD are included here, for
reference. Detailed descriptions of these registers
can be found in the following sections.
Table 7. Data-In Registers - Ports A, B, C, D, E, F, G
Note: Bit Definitions (Read-only registers):
Read Port pin status when Port is in MCU I/O input mode.
Table 8. Data-Out Registers - Ports A, B, C, D, E, F, G
Note: Bit Definitions:
Latched data for output to Port pin when pin is configured in MCU I/O output mode.
Table 9. Direction Registers - Ports A, B, C, D, E, F, G
Note: Bit Definitions:
Port pin <i> 0 = Port pin <i> is configured in Input mode (default).
Port pin <i> 1 = Port pin <i> is configured in Output mode.
Table 10. Control Registers - Ports E, F, G
Note: Bit Definitions:
Port pin <i> 0 = Port pin <i> is configured in MCU I/O mode (default).
Port pin <i> 1 = Port pin <i> is configured in Latched Address Out mode.
Table 11. Drive Registers - Ports A, B, D, E, G
Note: Bit Definitions:
Port pin <i> 0 = Port pin <i> is configured for CMOS Output driver (default).
Port pin <i> 1 = Port pin <i> is configured for Open Drain output driver.
Table 12. Drive Registers - Ports C, F
Note: Bit Definitions:
Port pin <i> 0 = Port pin <i> is configured for CMOS Output driver (default).
Port pin <i> 1 = Port pin <i> is configured in Slew Rate mode.
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1
Bit 0
Port pin 7
Port pin 6
Port pin 5
Port pin 4
Port pin 3
Port pin 2
Port pin 1
Port pin 0
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1
Bit 0
Port pin 7
Port pin 6
Port pin 5
Port pin 4
Port pin 3
Port pin 2
Port pin 1
Port pin 0
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1
Bit 0
Port pin 7
Port pin 6
Port pin 5
Port pin 4
Port pin 3
Port pin 2
Port pin 1
Port pin 0
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1
Bit 0
Port pin 7
Port pin 6
Port pin 5
Port pin 4
Port pin 3
Port pin 2
Port pin 1
Port pin 0
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1
Bit 0
Port pin 7
Port pin 6
Port pin 5
Port pin 4
Port pin 3
Port pin 2
Port pin 1
Port pin 0
Bit 7Bit 6Bit 5Bit 4Bit 3Bit 2Bit 1
Bit 0
Port pin 7
Port pin 6
Port pin 5
Port pin 4
Port pin 3
Port pin 2
Port pin 1
Port pin 0
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