R5F21276SNFP#U0 Renesas Electronics America, R5F21276SNFP#U0 Datasheet - Page 148
R5F21276SNFP#U0
Manufacturer Part Number
R5F21276SNFP#U0
Description
IC R8C/27 MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/27r
Specifications of R5F21276SNFP#U0
Core Size
16/32-Bit
Program Memory Size
32KB (32K x 8)
Core Processor
R8C
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
LED, POR, Voltage Detect, WDT
Number Of I /o
25
Program Memory Type
FLASH
Ram Size
1.5K 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
32-LQFP
No. Of I/o's
25
Ram Memory Size
1.5KB
Cpu Speed
20MHz
No. Of Timers
4
Digital Ic Case Style
LQFP
Supply Voltage Range
2.2V To 5.5V
Embedded Interface Type
I2C, UART
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
R0K521276S000BE - KIT DEV RSK-R8C/26-29R0E521000EPB00 - PROBE EMULATOR FOR PC7501
Eeprom Size
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
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R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
12.4
Table 12.7
NOTES:
Table 12.8
• Instruction with 2-byte operation code
• Instruction with 1-byte operation code
ADD.B:S
OR.B:S
STNZ
CMP.B:S
JMPS
MOV.B:S
Instructions other than the above
Address match interrupt 0
Address match interrupt 1
Address Match Interrupt Source Address Match Interrupt Enable Bit Address Match Interrupt Register
An address match interrupt request is generated immediately before execution of the instruction at the address
indicated by the RMADi register (i = 0 or 1). This interrupt is used as a break function by the debugger. When
using the on-chip debugger, do not set an address match interrupt (registers of AIER, RMAD0, and RMAD1 and
fixed vector tables) in a user system.
Set the starting address of any instruction in the RMADi register. Bits AIER0 and AIER1 in the AIER0 register can
be used to select enable or disable of the interrupt. The I flag and IPL do not affect the address match interrupt.
The value of the PC (refer to 12.1.6.7 Saving a Register for the value of the PC) which is saved to the stack when
an address match interrupt is acknowledged varies depending on the instruction at the address indicated by the
RMADi register. (The appropriate return address is not saved on the stack.) When returning from the address match
interrupt, return by one of the following means:
Table 12.7 lists the Values of PC Saved to Stack when Address Match Interrupt is Acknowledged.
Figure 12.18 shows Registers AIER and RMAD0 to RMAD1.
1. Refer to the 12.1.6.7 Saving a Register for the PC value saved.
2. Operation code: Refer to the R8C/Tiny Series Software Manual (REJ09B0001).
• Change the content of the stack and use the REIT instruction.
• Use an instruction such as POP to restore the stack as it was before the interrupt request was acknowledged.
Then use a jump instruction.
Address Match Interrupt
Sep 26, 2008
#IMM8,dest SUB.B:S
#IMM8,dest MOV.B:S #IMM8,dest STZ
#IMM8,dest STZX
#IMM8,dest PUSHM
#IMM8
#IMM,dest (however, dest = A0 or A1)
Correspondence Between Address Match Interrupt Sources and Associated Registers
Values of PC Saved to Stack when Address Match Interrupt is Acknowledged
Address Indicated by RMADi Register (i = 0 or 1)
Chapter 4. Instruction Code/Number of Cycles contains diagrams showing
operation code below each syntax. Operation code is shown in the bold frame in
the diagrams.
Page 129 of 453
JSRS
AIER0
AIER1
#IMM8,dest AND.B:S
#IMM81,#IMM82,dest
src
#IMM8
(2)
(2)
POPM
#IMM8,dest
#IMM8,dest
dest
RMAD0
RMAD1
Address indicated by
RMADi register + 2
Address indicated by
RMADi register + 1
PC Value Saved
12. Interrupts
(1)
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