ST7263BH2 STMicroelectronics, ST7263BH2 Datasheet - Page 51

• Manufacturer Part Number: ST7263BH2
• Description: LOW SPEED USB 8-BIT MCU FAMILY WITH UP TO 32K FLASH/ROM, DFU CAPABILITY, 8-BIT ADC, WDG, TIMER, SCI and I2C
• Manufacturer: STMicroelectronics

Specifications of ST7263BH2

• 4, 8, 16 Or 32 Kbytes Program Memory: high density Flash (HDFlash), FastROM or ROM with Read-Out and Write protection

ST7263Bxx
Note:
Data Direction register (PxDDR)
Address
Reset value
For Port C, unused bits (7-3) are not accessible
Table 16.
00
01
02
03
04
05
06
07
Address
.
.
(Hex.)
DD7
Port A Data Direction register (PADDR): 0001h
Port B Data Direction register (PBDDR): 0003h
Port C Data Direction register (PCDDR): 0005h
Port D Data Direction register (PDDDR): 0007h
Port A: 0000 0000 (00h)
Port B: 0000 0000 (00h)
Port C: 1111 x000 (FXh)
Port D: 0000 0000 (00h)
D7
7
7
[7:0]D D[7:0] Data Direction register 8 bits.
PADR
PADDR
PBDR
PBDDR
PCDR
PCDDR
PDDR
PDDDR
[7:0] D[7:0] Data register 8 bits.
Register
I/O ports register map
Label
DD6
The DDR register gives the input/output direction configuration of the pins. Each bit
is set and cleared by software.
0: input mode
1: output mode
D6
MSB
MSB
MSB
MSB
MSB
MSB
MSB
MSB
7
DD5
D5
Doc ID 7516 Rev 8
6
DD4
D4
Read/write
Read/write
5
DD3
4
D3
3
DD2
D2
2
DD1
D1
1
I/O ports
DD0
D0
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
0
0
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