Rainbow Electronics AT89C51SND1C - Manual (Page 130)

130
AT8xC51SND1C
4109E–8051–06/03
Table 119. MMDAT Register
MMDAT (S:DCh) – MMC Data Register
Reset Value = 1111 1111b
Table 120. MMCLK Register
MMCLK (S:EDh) – MMC Clock Divider Register
Reset Value = 0000 0000b
7 6 5 4 3 2 1 0
MD7 MD6 MD5 MD4 MD3 MD2 MD1 MD0
Bit
Number
Bit
Mnemonic Description
7 - 0 MD7:0
MMC Data Byte
Input (write) or output (read) register of the data FIFO.
7 6 5 4 3 2 1 0
MMCD7 MMCD6 MMCD5 MMCD4 MMCD3 MMCD2 MMCD1 MMCD0
Bit
Number
Bit
Mnemonic Description
7 - 0 MMCD7:0
MMC Clock Divider
8-bit divider for MMC clock generation.