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TPCE636 User Manual Issue 1.0.2
Page 24 of 104
7
JTAG_BIO_TDO
JTAG Bit-I/O - TDO
TDO line output state of the User FPGA
r
-
6
JTAG_BIO_TDI
JTAG Bit-I/O - TDI
Output state for the User FPGA TDI input line
r/w
1
5
JTAG_BIO_TMS
JTAG Bit-I/O - TMS
Output state for the User FPGA TMS input line
r/w
1
4
JTAG_BIO_TCK
JTAG Bit-I/O - TCK
Output state for the User FPGA TCK input line
r/w
0
3:1
-
Reserved
-
0
0
JTAG_BIO_EN
JTAG Bit-I/O Enable
Controls the state of the BCC JTAG Bit-I/O
Interface.
0b0 = Bit-I/O disabled
0b1 = Bit-I/O enabled
r/w
0
Table 5-6 : User FPGA JTAG Signal Line Register
5.2.3 User FPGA JTAG TMS Data Register - 0x88
Bit
Symbol
Description
Access
Reset
Value
31:0
JTAG_VIO_TMS
_DATA
JTAG Vector-I/O TMS Data
Sets the JTAG TMS bit data that is shifted-out
during TMS/TDI shift operations.
Note: Bit 0 is shifted-out first (right-alignment)
r/w
0
Table 5-7 : User FPGA JTAG TMS Data Register
5.2.4 User FPGA JTAG TDI Data Register - 0x8C
Bit
Symbol
Description
Access
Reset
Value
31:0
JTAG_VIO_TDI
_DATA
JTAG Vector-I/O TDI Data
Sets the JTAG TDI bit data that is shifted-out
during TMS/TDI shift operations.
Note: Bit 0 is shifted-out first (right-alignment)
r/w
0
Table 5-8 : User FPGA JTAG TDI Data Register