S912XET512J3VALR Freescale Semiconductor, S912XET512J3VALR Datasheet - Page 426
S912XET512J3VALR
Manufacturer Part Number
S912XET512J3VALR
Description
16-bit Microcontrollers - MCU 16 BIT,512K FLASH
Manufacturer
Freescale Semiconductor
Datasheet
1.S912XEG128J2MAL.pdf
(1324 pages)
Specifications of S912XET512J3VALR
Rohs
yes
Core
HCS12X
Processor Series
MC9S12XE
Data Bus Width
16 bit
Maximum Clock Frequency
50 MHz
Program Memory Size
512 KB
Data Ram Size
32 KB
On-chip Adc
Yes
Operating Supply Voltage
3.13 V to 5.5 V
Operating Temperature Range
- 40 C to + 105 C
Package / Case
LQFP-112
Mounting Style
SMD/SMT
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
S912XET512J3VALR
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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Chapter 10 XGATE (S12XGATEV3)
CPCH
Operation
RS.H - IMM8 - C ⇒ NONE, only condition code flags get updated
Subtracts the carry bit and the 8 bit constant IMM8 contained in the instruction code from the high byte of
the source register RD using binary subtraction and updates the condition code register accordingly. The
carry bit and Zero bits are taken into account to allow a 16 bit compare in the form of
Remark: There is no equivalent operation using triadic addressing. Comparing the values of two registers
can be performed by using the subtract instruction with R0 as destination register.
CCR Effects
Code and CPU Cycles
426
N:
Z:
V:
C:
CPCH RD, #IMM8
N
∆
Set if bit 15 of the result is set; cleared otherwise.
Set if the result is $00 and Z was set before this operation; cleared otherwise.
Set if a two´s complement overflow resulted from the operation; cleared otherwise.
RS[15] & IMM8[7] & result[15] | RS[15] & IMM8[7] & result[15]
Set if there is a carry from the bit 15 of the result; cleared otherwise.
RS[15] & IMM8[7] | RS[15] & result[15] | IMM8[7] & result[15]
Z
∆
CMPL
CPCH
BCC
V
∆
Source Form
C
∆
R2,#LOWBYTE
R2,#HIGHBYTE
Compare Immediate 8 bit Constant with
MC9S12XE-Family Reference Manual Rev. 1.25
Address
Mode
IMM8
; branch condition
Carry (High Byte)
1
1
0
1
1
Machine Code
RS
IMM8
CPCH
Freescale Semiconductor
Cycles
P
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