R5F21257SNFP#U0 Renesas Electronics America, R5F21257SNFP#U0 Datasheet - Page 124
![IC R8C/25 MCU FLASH 52LQFP](/photos/12/37/123739/r5f21257snfp_u0_sml.jpg)
R5F21257SNFP#U0
Manufacturer Part Number
R5F21257SNFP#U0
Description
IC R8C/25 MCU FLASH 52LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/25r
Specifications of R5F21257SNFP#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
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
2.5K 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
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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R8C/24 Group, R8C/25 Group
Rev.3.00
REJ09B0244-0300
Table 12.2
NOTES:
BRK instruction
(Reserved)
(Reserved)
Timer RD
(channel 0)
Timer RD
(channel 1)
Timer RE
(Reserved)
Key input
A/D
Clock synchronous
serial I/O with chip
select / I
interface
(Reserved)
UART0 transmit
UART0 receive
UART1 transmit
UART1 receive
INT2
Timer RA
(Reserved)
Timer RB
INT1
INT3
(Reserved)
(Reserved)
INT0
(Reserved)
(Reserved)
Software interrupt
12.1.5.2
Interrupt Source
1. These addresses are relative to those in the INTB register.
2. The IICSEL bit in the PMR register switches functions.
3. The I flag does not disable these interrupts.
The relocatable vector tables occupy 256 bytes beginning from the starting address set in the INTB register.
Table 12.2 lists the Relocatable Vector Tables.
2
Feb 29, 2008
(2)
C bus
Relocatable Vector Tables
Relocatable Vector Tables
(3)
(3)
+0 to +3 (0000h to 0003h)
+32 to +35 (0020h to 0023h)
+36 to +39 (0024h to 0027h)
+40 to +43 (0028h to 002Bh)
+52 to +55 (0034h to 0037h)
+56 to +59 (0038h to 003Bh)
+60 to +63 (003Ch to 003Fh)
+68 to +71 (0044h to 0047h)
+72 to +75 (0048h to 004Bh)
+76 to +79 (004Ch to 004Fh)
+80 to +83 (0050h to 0053h)
+84 to +87 (0054h to 0057h)
+88 to +91 (0058h to 005Bh)
+96 to +99 (0060h to 0063h)
+100 to +103 (0064h to 0067h)
+104 to +107 (0068h to 006Bh)
+116 to +119 (0074h to 0077h)
+128 to +131 (0080h to 0083h) to
+252 to +255 (00FCh to 00FFh)
Page 105 of 485
Address (L) to Address (H)
Vector Addresses
(1)
0
1 to 2
3 to 7
8
9
10
11 to 12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32 to 63
Software
Interrupt
Number
−
−
−
TRD0IC
TRD1IC
TREIC
−
KUPIC
ADIC
SSUIC/IICIC
−
S0TIC
S0RIC
S1TIC
S1RIC
INT2IC
TRAIC
−
TRBIC
INT1IC
INT3IC
−
−
INT0IC
−
−
−
Interrupt Control
Register
R8C/Tiny Series Software
Manual
−
−
−
12.3 Key Input Interrupt
16.2 Clock Synchronous
16.3 I
−
15. Serial Interface
12.2 INT Interrupt
−
12.2 INT Interrupt
−
−
12.2 INT Interrupt
−
−
R8C/Tiny Series Software
Manual
14.3 Timer RD
14.4 Timer RE
18. A/D Converter
14.1 Timer RA
14.2 Timer RB
Serial I/O with Chip
Select (SSU),
2
C bus Interface
Reference
12. Interrupts
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