R5F21244SNFP#U0 Renesas Electronics America, R5F21244SNFP#U0 Datasheet - Page 98

• Manufacturer Part Number: R5F21244SNFP#U0
• Description: IC R8C MCU FLASH 16K 52LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/R8C/Tiny/24r

Specifications of R5F21244SNFP#U0

• Core Processor: R8C
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, LIN, SIO, SSU, UART/USART
• Peripherals: POR, Voltage Detect, WDT
• Number Of I /o: 41
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K 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: -

Rev.2.00 Oct 17, 2005
REJ09B0001-0200
INT
[ Syntax ]
[ Operation ]
[ Function ]
[ Selectable src ]
[ Flag Change ]
[ Description Example ]
[ Related Instructions ]
Chapter 3
*1 #IMM denotes a software interrupt number.
*2 The acceptable range of values is 0 < #IMM < 63.
Change
Conditions
#IMM
Flag
INT
SP
M(SP)
SP
M(SP)
PC
• This instruction generates a software interrupt specified by
• If
• If
• The interrupts generated by the INT instruction are nonmaskable.
U :
I
D :
INT
number.
*1*2
:
src
src
U
The flag is cleared if the software interrupt number is 31 or smaller. The flag does not change if
the software interrupt number is 32 or larger.
The flag is cleared.
The flag is cleared.
is 31 or smaller, the U flag is cleared to 0 and the interrupt stack pointer (ISP) is used.
is 32 or larger, the stack pointer indicated by the U flag is used.
I
Functions
src
SP –
(PC
SP
(PC
M(IntBase
#0
O B
page 78 of 263
–
+
+
src
2
2
2)
2)
S
H
ML
+
BRK, INTO
, FLG
Z
src
D
Interrupt by INT instruction
C
4)
*3 The flags are saved to the stack area before the INT in-
INTerrupt
struction is executed. After the interrupt, the flags
change state as shown at left.
src
[ Instruction Code/Number of Cycles ]
.
src
represents a software interrupt
3.2 Functions
Page: 181
INT