R5F21274SNFP#U0 Renesas Electronics America, R5F21274SNFP#U0 Datasheet - Page 99

IC R8C/27 MCU FLASH 32LQFP

R5F21274SNFP#U0

Manufacturer Part Number
R5F21274SNFP#U0
Description
IC R8C/27 MCU FLASH 32LQFP
Manufacturer
Renesas Electronics America
Series
R8C/2x/27r
Datasheet

Specifications of R5F21274SNFP#U0

Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
LED, POR, Voltage Detect, WDT
Number Of I /o
25
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
32-LQFP
For Use With
R0K521276S000BE - KIT DEV RSK-R8C/26-29R0E521000EPB00 - PROBE EMULATOR FOR PC7501
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-

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Part Number
Manufacturer
Quantity
Price
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Part Number:
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Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
Company:
Part Number:
R5F21274SNFP#U0
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Part Number:
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Manufacturer:
Renesas Electronics America
Quantity:
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Company:
Part Number:
R5F21274SNFP#U0R5F21274SNFP#X6
Manufacturer:
Renesas Electronics America
Quantity:
10 000
R8C/26 Group, R8C/27 Group
Rev.2.10
REJ09B0278-0210
Figure 10.1
XIN/XCIN
Interrupt request
Power-on reset
Software reset
(1)
CM01, CM02, CM04, CM05, CM06: Bits in CM0 register
CM10, CM13, CM14, CM16, CM17: Bits in CM1 register
OCD0, OCD1, OCD2: Bits in OCD register
FRA00, FRA01: Bits in FRA0 register
CM05
RESET
NOTE:
CM13
CM01
CM01 = 0
Sep 26, 2008
1. For J, K version, the XCIN clock oscillation circuit cannot be used.
CM04
Oscillation Stop Detection Circuit
CM10 = 1 (stop mode)
WAIT instruction
XIN clock
Clock Generation Circuit
Stop signal
XOUT/XCOUT
XCIN
clock
clock
Pulse generation
circuit for clock
edge detection and
charge, discharge
control circuit
XIN
R
R
S Q
S Q
(1)
Page 80 of 453
FRA00
CM14
CM01 = 0
CM01 = 1
CM02
Frequency adjustable
Forcible discharge when OCD0 = 0
Charge,
discharge
circuit
a
High-speed
on-chip
oscillator
Low-speed
on-chip
oscillator
FRA1 register
Oscillation
stop
detection
OCD1
b
CM06 = 0
CM17 to CM16 = 00b
fC
FRA01 = 1
FRA01 = 0
1/2
System clock
OCD2 = 1
OCD2 = 0
fOCO-S
Divider
c
FRA2 register
CM06 = 0
CM17 to CM16 = 01b
Oscillation stop detection
interrupt generation
circuit detection
fOCO
1/2
On-chip oscillator
clock
a
1/4
b
Watchdog timer
interrupt
Voltage monitor 1
interrupt
Voltage monitor 2
interrupt
Clock prescaler
d
CM06 = 0
CM17 to CM16 = 10b
OCD2 bit switch signal
c
Divider
CM14 bit switch signal
fOCO-F
d
1/2
Power-on
reset circuit
Voltage
detection
circuit
e
g
fOCO40M
1/8
f1
f2
f4
e
f8
f32
Divider
CM06 = 1
INT0
fC32
1/2
Timer RA
fC4
Watchdog
fOCO128
timer
CM06 = 0
CM17 to CM16 = 11b
Timer RB
Oscillation stop detection,
Watchdog timer,
Voltage monitor 1 interrupt,
Voltage monitor 2 interrupt
Detail of divider
1/2
h
Timer RC
10. Clock Generation Circuit
g
CPU clock
Timer RE
converter
A/D
UART0
UART1
I
2
SSU /
C bus

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