R5F21256SNFP#U0 Renesas Electronics America, R5F21256SNFP#U0 Datasheet - Page 90

IC R8C MCU FLASH 32K 52LQFP

R5F21256SNFP#U0

Manufacturer Part Number
R5F21256SNFP#U0
Description
IC R8C MCU FLASH 32K 52LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/25r
Datasheets

Specifications of R5F21256SNFP#U0

Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, Voltage Detect, WDT
Number Of I /o
41
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 5.5 V
Data Converters
A/D 12x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
52-LQFP
For Use With
R0K521256S000BE - KIT EVAL STARTER FOR R8C/25
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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Rev.2.00 Oct 17, 2005
REJ09B0001-0200
DSBB
[ Syntax ]
[ Operation ]
[ Function ]
[ Selectable src/dest ]
[ Flag Change ]
[ Description Example ]
[ Related Instructions ]
Chapter 3
Change
Conditions
R0L/R0
A0/A0
dsp:8[A0]
dsp:16[A0] dsp:16[A1]
dsp:20[A0] dsp:20[A1]
R2R0
DSBB.size
dest
Flag
• This instruction subtracts
S :
Z :
C :
DSBB.B
DSBB.W
stores the result in
U
The flag is set when the operation results in MSB = 1; otherwise cleared.
The flag is set when the operation results in 0; otherwise cleared.
The flag is set when the operation results in any value equal to or greater than 0; otherwise
cleared.
dest
R0H/R1
A1/A1
dsp:8[A1]
R3R1
I
Functions
src,dest
#3,R0L
R1,R0
O B
page 70 of 263
src
src
dest
R1L/R2
[A0]
dsp:8[SB]
dsp:16[SB]
abs20
A1A0
S
.
DADC, DADD, DSUB
Z
____
src
C
Decimal SuBtract with Borrow
D
and the inverted value of the C flag from
Decimal subtract with borrow
R1H/R3
[A1]
dsp:8[FB] dsp:8[A0]
abs16
#IMM
C
B , W
R0L/R0
A0/A0
dsp:16[A0] dsp:16[A1] dsp:16[SB] abs16
dsp:20[A0] dsp:20[A1] abs20
R2R0
R0H/R1
A1/A1
dsp:8[A1]
R3R1
[ Instruction Code/Number of Cycles ]
dest
R1L/R2
[A0]
dsp:8[SB]
A1A0
dest
as decimal data and
R1H/R3
[A1]
dsp:8[FB]
3.2 Functions
DSBB
Page: 173

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