DEMO9S12XEP100 Freescale Semiconductor, DEMO9S12XEP100 Datasheet - Page 458

• Manufacturer Part Number: DEMO9S12XEP100
• Description: BOARD DEMO FOR MC9S12XEP100
• Manufacturer: Freescale Semiconductor
• Type: MCUr

Specifications of DEMO9S12XEP100

• Contents: Board, Cables, CD
• Processor To Be Evaluated: MC9S12XEP100
• Data Bus Width: 16 bit
• Interface Type: RS-232
• Silicon Manufacturer: Freescale
• Core Architecture: S12
• Core Sub-architecture: S12
• Silicon Core Number: MC9S12
• Silicon Family Name: S12XE
• Rohs Compliant: Yes
• For Use With/related Products: MC9S12XEP100
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Chapter 10 XGATE (S12XGATEV3)
TFR
Operation
TFR RD,CCR: CCR ⇒ RD[3:0]; 0 ⇒ RD[15:4]
TFR CCR,RD: RD[3:0] ⇒ CCR
TFR RD,PC:
Transfers the content of one RISC core register to another.
The TFR RD,PC instruction can be used to implement relative subroutine calls.
Example:
RETADDR ...
SUBR
CCR Effects
Code and CPU Cycles
458
TFR RD,CCR, TFR RD,PC:
N:
Z:
V:
C:
TFR RD,CCR CCR ⇒ RD
TFR CCR,RS RS ⇒ CCR
TFR RD,PCPC+4 ⇒ RD
—
Because of an order from the United States International Trade Commission, BGA-packaged product lines and partnumbers
N
indicated here currently are not available from Freescale for import or sale in the United States prior to September 2010
Not affected.
Not affected.
Not affected.
Not affected.
—
Z
TFR
BRA
...
JAL
—
V
Source Form
—
C
PC+4 ⇒ RD
R7,PC
SUBR
R7
Transfer from and to Special Registers
;Return address (RETADDR) is stored in R7
;Relative branch to subroutine (SUBR)
;Jump to return address (RETADDR)
MC9S12XE-Family Reference Manual , Rev. 1.23
Address
Mode
MON
MON
MON
0
0
0
0
0
0
TFR CCR,RS:
0
0
0
N:
Z:
V:
C:
N
∆
0
0
0
RS[3].
RS[2].
RS[1].
RS[0].
Z
∆
0
0
0
V
∆
Machine Code
RD
RD
RS
C
∆
1
1
1
1
1
1
1
1
1
1
1
1
Freescale Semiconductor
1
1
1
0
0
0
TFR
0
0
1
0
1
0
Cycles
P
P
P