S912XEP768J5MAGR Freescale Semiconductor, S912XEP768J5MAGR Datasheet - Page 401
S912XEP768J5MAGR
Manufacturer Part Number
S912XEP768J5MAGR
Description
16-bit Microcontrollers - MCU 16-bit 768K Flash
Manufacturer
Freescale Semiconductor
Datasheet
1.S912XEG128J2MAL.pdf
(1324 pages)
Specifications of S912XEP768J5MAGR
Rohs
yes
Core
HCS12X
Processor Series
MC9S12
Data Bus Width
16 bit
Maximum Clock Frequency
50 MHz
Program Memory Size
768 KB
Data Ram Size
48 KB
On-chip Adc
Yes
Operating Supply Voltage
3.3 V to 5 V
Operating Temperature Range
- 40 C to + 125 C
Package / Case
LQFP-144
Mounting Style
SMD/SMT
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
S912XEP768J5MAGR
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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BFFO
Operation
FirstOne(RS) ⇒ RD;
Searches the first “1” in register RS (from MSB to LSB) and writes the bit position into the destination
register RD. The upper bits of RD are cleared. In case the content of RS is equal to $0000, RD will be
cleared and the carry flag will be set. This is used to distinguish a “1” in position 0 versus no “1” in the
whole RS register at all.
CCR Effects
1. Before executing the instruction
Code and CPU Cycles
Freescale Semiconductor
N:
Z:
V:
C:
BFFO RD, RS
0
N
0; cleared.
Set if the result is $0000; cleared otherwise.
0; cleared.
Set if RS = $0000
∆
Z
0
V
Source Form
∆
C
(1)
; cleared otherwise.
MC9S12XE-Family Reference Manual Rev. 1.25
Address
Mode
DYA
Bit Field Find First One
0
0
0
0
1
Machine Code
RD
RS
Chapter 10 XGATE (S12XGATEV3)
1
0
BFFO
0
0
0
Cycles
P
401
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