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ST52F510 数据表(PDF) 52 Page - STMicroelectronics

部件名 ST52F510
功能描述  8-BIT INTELLIGENT CONTROLLER UNIT ICU Two Timer/PWMs, ADC, I2C, SPI, SCI
PDF  106 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST52F510 数据表(HTML) 52 Page - STMicroelectronics

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7.6.1 Configuration Registers.
Port A Pull-Up Register (PORT_A_PULLUP)
Configuration Register 24 (018h) Read/Write
Reset Value: 0000 0000 (00h)
Bit 7-0: PUA7-0 Port A pull-up (see Table 7.1)
0: Port A pin without pull-up
1: Port A pin with pull-up
Port A Option Register (PORT_A_OR)
Configuration Register 25 (019h) Read/Write
Reset Value: 0000 0000 (00h)
Bit 7-0: ORA7-0 Port A option (see Table 7.1)
Port A Data Direction Register (PORT_A_DDR)
Configuration Register 26 (01Ah) Read/Write
Reset Value: 0000 0000 (00h)
Bit 7-0: DDRA7-0 Port A direction (see Table 7.1)
0: Port A pin configured as input
1: Port A pin configured as output
Port A Alternate Fuction (PORT_A_AF)
Configuration Register 27 (01Bh) Read/Write
Reset Value: 0000 0000 (00h)
Bit 7: AFA7 Alternate Function PA7
0: Digital I/O
1: INT
Bit 6: AFA6 Alternate Function PA6
0: Digital I/O
1: T0OUT
Bit 5: AFA5 Alternate Function PA5
0: Digital I/O
1: TCLK
Bit 4: AFA4 Alternate Function PA4
0: Digital I/O
1: TSTRT
Bit 3: AFA3 Alternate Function PA3
0: Digital I/O
1: TRES
Bit 2: AFA2 Alternate Function PA2
0: Digital I/O
1: T1OUT
Bit 1: AFA1 Alternate Function PA1
0: Digital I/O
1: SDA
Bit 0: AFA0 Alternate Function PA0
0: Digital I/O
1: SCL
70
PUA7
PUA6
PUA5
PUA4
PUA3
PUA2
PUA1
PUA0
70
ORA7
ORA6
ORA5
ORA4
ORA3
ORA2
ORA1
ORA0
70
DDRA7
DDRA6
DDRA5
DDRA4
DDRA3
DDRA2
DDRA1
DDRA0
70
AFA7
AFA6
AFA5
AFA4
AFA3
AFA2
AFA1
AFA0
Table 7.1 Pin mode configuration
MODE
PU
OR
DDR
Input high impedance
0
0
0
Input with pull-up
1
0
0
Interrupt without pull-up
0
1
0
Interrupt with pull-up
1
1
0
Output push-pull
0
0
1
Output with pull-up
1
0
1
Output open drain
0
1
1
Output weak pull-up
1
1
1



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