
JTAG Boundary Scan Register (BSR)
DSP56364 24-Bit Digital Signal Processor Users Manual, Rev. 2
Freescale Semiconductor 4-9
4.10 JTAG Boundary Scan Register (BSR)
The boundary scan register (BSR) in the DSP56364 JTAG implementation contains bits for all device
signal and clock pins and associated control signals. All bidirectional pins have a single register bit in the
boundary scan register for pin data, and are controlled by an associated control bit in the boundary scan
register. The boundary scan register bit definitions are described in Table 4-6 The BSDL file may be found
in Appendix B, "BDSL File".
Table 4-6 DSP56364 BSR Bit Definition
Bit
#
Pin Name Pin Type
BSR Cell
Type
Bit
#
Pin Name Pin Type
BSR Cell
Type
GPIO3 - Control
WR Output3 Data
GPIO3 Input/Output Data
CAS - Control
GPIO2 - Control CAS Output3 Data
GPIO2 Input/Output Data
TA Input Data
GPIO1 - Control
EXTAL Input Data
GPIO1 Input/Output Data RES Input Data
GPIO0 - Control
PINIT Input Data
GPIO0 Input/Output Data
HREQ - Control
D7 Input/Output Data HREQ Input/Output Data
D6 Input/Output Data
SCK/SCL - Control
D5 Input/Output Data
SCK/SCL Input/Output Data
D4 Input/Output Data MISO/SDA - Control
D[7:0] - Control
MISO/SDA Input/Output Data
D3 Input/Output Data
MOSI/HA0 - Control
D2 Input/Output Data MOSI/HA0 Input/Output Data
D1 Input/Output Data
SS Input Data
D0 Input/Output Data
SDO5/SDI0 - Control
A17 Output3 Data
SDO5/SDI0 Input/Output Data
A16 Output3 Data
SDO4/SDI1 - Control
A15 Output3 Data
SDO4/SDI1 Input/Output Data
A14 Output3 Data
SDO3/SDI2 - Control
A13 Output3 Data
SDO3/SDI2 Input/Output Data
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