mcf5272 Freescale Semiconductor, Inc, mcf5272 Datasheet - Page 487

• Manufacturer Part Number: mcf5272
• Description: Mcf5272 Coldfire Integrated Microprocessor User
• Manufacturer: Freescale Semiconductor, Inc

MOTOROLA
Figure 21-3 to Figure 21-8 show the four MCF5272 cell types.
Data from
system
logic
1 = EXTEST, CLAMP, HI-Z
0 = Otherwise
Figure 21-4. Input Cell (I.Cell). Observe only (BC–4)
F
IN
B
Chapter 21. IEEE 1149.1 Test Access Port (JTAG)
G1
1
1
Figure 21-3. Output Cell (O.Cell) (BC–1)
SHIFT DR
MUX
LAST
CELL
FRO
G1
1
1
MUX
From last
Shift DR
cell
CLOCK DR
G1
1
1
MUX
1 D
C1
Clock DR
TO NE
1 D
CELL
C1
Update DR
To next
TO SYSTEM
LOGIC
cell
Boundary Scan Register
1 D
C1
To output
buffer
21-5