Datasheet
73S1215F Data Sheet  DS_1215F_003 
98 Rev. 1.4 
C4/C8 Data Direction Register (SCDIR): 0xFE0C Å 0x00 
This register determines the direction of the internal interface C4/C8 lines. After reset, all signals are 
tri-stated. 
Table 92: The SCDIR Register 
MSB   LSB 
– – – – C8D C4D – – 
Bit Symbol  Function 
SCDIR.7 –  
SCDIR.6 –  
SCDIR.5 –  
SCDIR.4 –  
SCDIR.3  C8D  1 = input, 0 = output. Smart Card C8 direction. 
SCDIR.2  C4D  1 = input, 0 = output. Smart Card C4 direction. 
SCDIR.1 –  
SCDIR.0 –  










