Rainbow-electronics AT89C5132 Manual de usuario descargar pdf (Pagina 117)

117

AT8xC5132

4173A–8051–08/02

Table 108. SBUF Register

SBUF (S:99h) – Serial Buffer Register

Reset value = XXXX XXXXb

Table 109. SADDR Register

SADDR (S:A9h) – Slave Individual Address Register

Reset Value = 0000 0000b

Table 110. SADEN Register

SADEN (S:B9h) – Slave Individual Address Mask Byte Register

Reset Value = 0000 0000b

76543210

SD7 SD6 SD5 SD4 SD3 SD2 SD1 SD0

Bit

Number

Bit

Mnemonic Description

7 - 0 SD7:0

Serial Data Byte

Read the last data received by the Serial I/O Port.

Write the data to be transmitted by the Serial I/O Port.

76543210

SAD7 SAD6 SAD5 SAD4 SAD3 SAD2 SAD1 SAD0

Bit

Number

Bit

Mnemonic Description

7 - 0 SAD7:0 Slave Individual Address.

76543210

SAE7 SAE6 SAE5 SAE4 SAE3 SAE2 SAE1 SAE0

Bit

Number

Bit

Mnemonic Description

7 - 0 SAE7:0 Slave Address Mask Byte.

1 2 ... 112 113 114 115 116 117 118 119 120 121 122 ... 161 162

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