MPC5553/MPC5554 Microcontroller Reference Manual, Rev. 5
24-2 Freescale Semiconductor
24.1.1 Block Diagram
Figure 24-1 is a block diagram of the JTAG Controller (JTAGC).
Figure 24-1. JTAG Controller Block Diagram
TCK
TMS
TDI
Test Access Port (TAP)
TDO
32-Bit Device Identification Register
Boundary Scan Register
.
.
Controller
1-Bit Bypass Register
.
5-Bit TAP Instruction Decoder
5-Bit TAP Instruction Register
.
.
.
JCOMP
Power-On
Reset