參數(shù)資料
型號： ST72171
英文描述： 8-BIT MCU WITH 8K FLASH. ADC. WDG. SPI. SCI. TIMERS SPGAS (SOFTWARE PROGRAMMABLE GAIN AMPLIFIERS). OP-AMP
中文描述： 8位8K閃存微控制器。 ADC的。水分散粒劑。的SPI。脊髓損傷。定時器SPGAS（軟件可編程增益放大器）。運放
文件頁數(shù)： 28/93頁
文件大小： 915K
代理商： ST72171
28/93
ST72E121 ST72T121
I/O PORTS
(Cont’d)
5.1.4 Register Description
5.1.4.1 Data registers
Port A Data Register (PADR)
Port B Data Register (PBDR)
Port C Data Register (PCDR)
Port D Data Register (PDDR)
Port E Data Register (PEDR)
Port F Data Register (PFDR)
Read/Write
Reset Value: 0000 0000 (00h)
Bit 7:0 = D7-D0
Data Register 8 bits.
The DR register has a specific behaviour accord-
ing to the selected input/output configuration. Writ-
ing the DR register is always taken in account
even if the pin is configured as an input. Reading
the DR register returns either the DR register latch
content (pin configured as output) or the digital val-
ue applied to the I/O pin (pin configured as input).
5.1.4.2 Data direction registers
Port A Data Direction Register (PADDR)
Port B Data Direction Register (PBDDR)
Port C Data Direction Register (PCDDR)
Port D Data Direction Register (PDDDR)
Port E Data Direction Register (PEDDR)
Port F Data Direction Register (PFDDR)
Read/Write
Reset Value: 0000 0000 (00h) (input mode)
Bit 7:0 = DD7-DD0
Data Direction Register 8 bits.
The DDR register gives the input/output direction
configuration of the pins. Each bits is set and
cleared by software.
0: Input mode
1: Output mode
5.1.4.3 Option registers
Port A Option Register (PAOR)
Port B Option Register (PBOR)
Port C Option Register (PBOR)
Port D Option Register (PBOR)
Port E Option Register (PBOR)
Port F Option Register (PFOR)
Read/Write
Reset Value: see Register Memory Map
Table 3
Bit 7:0 = O7-O0
Option Register 8 bits.
The OR register allow to distinguish in input mode
if the interrupt capability or the floating configura-
tion is selected.
In output mode it select push-pull or open-drain
capability.
Each bit is set and cleared by software.
Input mode:
0: floating input
1: input pull-up with interrupt
Output mode:
0: open-drain configuration
1: push-pull configuration
7
0
D7
D6
D5
D4
D3
D2
D1
D0
7
0
DD7
DD6
DD5
DD4
DD3
DD2
DD1
DD0
7
0
O7
O6
O5
O4
O3
O2
O1
O0
28
相關(guān)PDF資料
PDF描述
ST733C04LFL0 Fuse Holder; Fuse Size/Group:Micro; Mounting Type:PC Board; Body Material:Thermoplastic; Contact Material:Copper Alloy; Contact Plating:Tin; Current Rating:5A; Leaded Process Compatible:Yes; Terminal Type:Push-On
ST733C04LFM0 Fuse Holder; Leaded Process Compatible:Yes; Mounting Type:Panel Mount RoHS Compliant: Yes
ST733C08LFL0 Fuse Holder; Leaded Process Compatible:Yes; Mounting Type:Panel Mount RoHS Compliant: Yes
ST733C08LFM0 Automotive Fuse; Current Rating:3A; Voltage Rating:32V; Fuse Type:Fast Acting; Body Material:Plastic; Fuse Terminals:Blade; Length:15.41mm; Series:297; Voltage Rating:32V; Fuse Size/Group:15.41 x 10.92 x 3.81mm RoHS Compliant: Yes
ST7597 FUSE, 0.250A, 250V, 3AG SLO-BLO, CARTRIDGE
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