73S1209F Maxim, 73S1209F Datasheet - Page 90

• Manufacturer Part Number: 73S1209F
• Description: The 73S1209F is a self-contained, SoC smart card reader IC that is an ideal solution for serially connected ISO 7816 design
• Manufacturer: Maxim

C4/C8 Data Direction Register (SCDIR): 0xFE0C
This register determines the direction of the internal interface C4/C8 lines. After reset, all signals are
tri-stated.
90
SCDIR.7
SCDIR.6
SCDIR.5
SCDIR.4
SCDIR.3
SCDIR.2
SCDIR.1
SCDIR.0
Bit
MSB
–
Symbol
C8D
C4D
–
–
–
–
–
–
–
1 = input, 0 = output. Smart Card C8 direction.
1 = input, 0 = output. Smart Card C4 direction.
–
Table 85: The SCDIR Register
–
0x00
C8D
Function
C4D
–
–
LSB
Rev. 1.2