S912XET256J2VAGR Freescale Semiconductor, S912XET256J2VAGR Datasheet - Page 456

• Manufacturer Part Number: S912XET256J2VAGR
• Description: 16-bit Microcontrollers - MCU Watchdog OSC/Timer -40 C to + 105 C HCS12X MCU SPI
• Manufacturer: Freescale Semiconductor

Specifications of S912XET256J2VAGR

• Core: HCS12X
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 50 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 16 KB
• On-chip Adc: Yes
• Package / Case: LQFP
• Mounting Style: SMD/SMT
• A/d Bit Size: 12 bit
• A/d Channels Available: 24
• Interface Type: CAN, SCI, SPI
• Maximum Operating Temperature: + 105 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 119
• Number Of Timers: 25
• Program Memory Type: Flash
• Supply Voltage - Max: 1.98 V, 2.9 V, 5.5 V
• Supply Voltage - Min: 1.72 V, 2.7 V, 3.13 V

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
456
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
—
N
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. 1.25
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