MPC555CME Freescale Semiconductor, MPC555CME Datasheet - Page 758
MPC555CME
Manufacturer Part Number
MPC555CME
Description
KIT EVALUATION FOR MPC555
Manufacturer
Freescale Semiconductor
Type
Microcontrollerr
Datasheet
1.MPC555CME.pdf
(966 pages)
Specifications of MPC555CME
Contents
Module Board, Installation Guide, Power Supply, Cable, Software and more
Processor To Be Evaluated
MPC555
Data Bus Width
32 bit
Interface Type
RS-232
For Use With/related Products
MPC555
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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22.5 Instruction Register
The MPC555 / MPC556 JTAG implementation includes the public instructions (EXTEST,
SAMPLE/PRELOAD, and BYPASS), and also supports the CLAMP instruction. One addi-
tional public instruction (HI-Z) provides the capability for disabling all device output driv-
ers. The MPC555 / MPC556 includes a 4-bit instruction register without parity consisting
of a shift register with four parallel outputs. Data is transferred from the shift register to the
parallel outputs during the update-IR controller state. The four bits are used to decode the
five unique instructions listed in
MPC555
USER’S MANUAL
/
MPC556
1
0
RUN-TEST/IDLE
TEST LOGIC
RESET
0
Figure 22-3 TAP Controller State Machine
IEEE 1149.1-COMPLIANT INTERFACE (JTAG)
1
Table
1
0
1
1
Rev. 15 October 2000
SELECT-DR_SCAN
CAPTURE-DR
UPDATE-DR
PAUSE-DR
SHIFT-DR
EXIT1-DR
EXIT2-DR
22-2.
1
0
0
1
0
1
1
0
0
0
1
1
0
1
SELECT-IR_SCAN
CAPTURE-IR
UPDATE-IR
PAUSE-IR
SHIFT-IR
EXIT1-IR
EXIT2-IR
0
0
1
0
1
1
0
0
0
1
1
MOTOROLA
22-4
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