st52f513 STMicroelectronics, st52f513 Datasheet - Page 57

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

Bit 7-0: PBI7-0 Port B Input data
The logical level applied in the Port B pins,
configured as digital input, can be achieved by
reading this register.
Port C Data Input Register (PORT_C_IN)
Input Register 2 (02h) Read only
Reset Value: XXXX XXXX
Note: This register is not used in 16/20 pin devices
Bit 7-6: Not Used
Bit 5-0: PCI5-0 Port C Input data
The logical level applied in the Port C pins,
configured as digital input, can be achieved by
reading this register.
7.6.3 Output Registers.
Port A Data Output Register (PORT_A_OUT)
Output Register 0 (00h) Write only
Reset Value: 0000 0000 (00h)
Bit 7-0: PAO7-0 Port A Output data
PAO7
7
7
-
PAO6
-
PAO5
PCI5
PAO4
PCI4
PAO3
PCI3
PAO2
PCI2
PAO1
PCI1
PAO0
PCI0
0
0
The logical values written in these register bits are
put in the Port A pins configured as digital output.
Port B Data Output Register (PORT_B_OUT)
Output Register 1 (01h) Write only
Reset Value: 0000 0000 (00h)
(*) Not used in 16/20 pin package devices
(**) Not used in 16 pin package devices
Bit 7-0: PBO7-0 Port B Input data
The logical values written in these register bits are
put in the Port B pins configured as digital output.
Port C Data Output Register (PORT_C_OUT)
Output Register 2 (02h) Write only
Reset Value: 0000 0000 (00h)
Note: This register is not used in 16/20 pin devices
Bit 7-6: Not Used
Bit 5-0: PCO5-0 Port C Input data
The logical values written in these register bits are
put in the Port C pins configured as digital output.
P BO 7*
7
7
-
PBO6*
-
PBO5** PBO4** PBO3** PBO2**
PCO5
PCO4
ST52510xx ST52513xx
PCO3
PCO2
PBO1
PCO1
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PBO0
PCO0
0
0