st52f513 STMicroelectronics, st52f513 Datasheet - Page 55

• Manufacturer Part Number: st52f513
• Description: 8-bit Microcontrollers
• Manufacturer: STMicroelectronics

Port B Pull-Up Register (PORT_B_PULLUP)
Configuration Register 28 (01Ch) Read/Write
Reset Value: 0000 0000 (00h)
(*) Pin not available in 16/20 pin package devices. Set to ‘1’
(**) Pin not available in 16 pin package devices. Set to ‘1’
Bit 7-0: PUB7-0 Port B pull-up
Port B Option Register (PORT_B_OR)
Configuration Register 29 (01Dh) Read/Write
Reset Value: 0000 0000 (00h)
(*) Pin not available in 16/20 pin package devices. Set to ‘0’
(**) Pin not available in 16 pin package devices. Set to ‘0’
Bit 7-0: ORB7-0 Port B option
Port B Data Direction Register (PORT_B_DDR)
Configuration Register 30 (01Eh) Read/Write
Reset Value: 0000 0000 (00h)
(*) Pin not available in 16/20 pin package devices. Set to ‘0’
(**) Pin not available in 16 pin package devices. Set to ‘0’
Bit 7-0: DDRB7-0 Port B direction
Port B Alternate Function (PORT_B_AF)
Configuration Register 31 (01Fh) Read/Write
Reset Value: 0000 0000 (00h)
DDRB7* DDRB6* DDRB5** DDRB4** DDRB3** DDRB2** DDRB1 DDRB0
ORB7*
PUB7*
AFB7
7
7
7
7
ORB6*
PUB6*
0: Port B pin without pull-up
1: Port B pin with pull-up
0: Port B pin configured as input
1: Port B pin configured as output
AFB6
ORB5** ORB4** ORB3** ORB2**
PUB5** PUB4** PUB3** PUB2**
AFB5
AFB4
AFB3
(see Table 7.1)
(see Table 7.1)
AFB2
(see Table 7.1)
ORB1
PUB1
AFB1
ORB0
PUB0
AFB0
0
0
0
0
Bit 7: AFB7 Alternate Function PB7
Bit 6: AFB6 Alternate Function PB6
Bit 5: AFB5 Alternate Function PB5
Bit 4: AFB4 Alternate Function PB4
Bit 3: AFB3 Alternate Function PB3
Bit 2: AFB2 Alternate Function PB2
Bit 1: AFB1 Alternate Function PB1
Bit 0: AFB0 Alternate Function PB0
Port C Pull-Up Register (PORT_C_PULLUP)
Configuration Register 32 (020h) Read/Write
Reset Value: 0000 0000 (00h)
Note: The corresponding pins are not available in
16/20 pin devices.
Bit 7-6: Not Used
Bit 5-0: PUC5-0 Port C pull-up
7
-
0: Digital I/O
1: AIN7
0: Digital I/O
1: AIN6
0: Digital I/O
1: AIN5
0: Digital I/O
1: AIN4
0: Digital I/O
1: AIN3
0: Digital I/O
1: AIN2
0: Digital I/O
1: AIN1
0: Digital I/O
1: AIN0 / VREF
0: Port C pin without pull-up
1: Port C pin with pull-up
-
PUC5
PUC4
ST52510xx ST52513xx
PUC3
(see Table 7.1)
PUC2
PUC1
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PUC0
0