R5F21334CNFP#U0 Renesas Electronics America, R5F21334CNFP#U0 Datasheet - Page 568
R5F21334CNFP#U0
Manufacturer Part Number
R5F21334CNFP#U0
Description
MCU 1KB FLASH 16K ROM 32-LQFP
Manufacturer
Renesas Electronics America
Series
R8C/3x/33Cr
Datasheet
1.R5F21331CNFPU0.pdf
(622 pages)
Specifications of R5F21334CNFP#U0
Core Processor
R8C
Core Size
16/32-Bit
Speed
20MHz
Connectivity
I²C, LIN, SIO, SSU, UART/USART
Peripherals
POR, PWM, Voltage Detect, WDT
Number Of I /o
27
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1.5K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
32-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
R5F21334CNFP#U0R5F21334CNFP#V2
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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R8C/33C Group
REJ09B0570-0100 Rev.1.00 Dec. 14, 2009
Page 538 of 589
Table 32.6
Notes:
−
−
−
t
−
−
t
READY)
−
−
−
−
d(SR-SUS)
d(CMDRST-
Symbol
1. V
2. Definition of programming/erasure endurance
3. Endurance to guarantee all electrical characteristics after program and erase. (1 to Min. value can be guaranteed).
4. In a system that executes multiple programming operations, the actual erasure count can be reduced by writing to sequential
5. If an error occurs during block erase, attempt to execute the clear status register command, then execute the block erase
6. Customers desiring program/erase failure rate information should contact their Renesas technical support representative.
7. The data hold time includes time that the power supply is off or the clock is not supplied.
The programming and erasure endurance is defined on a per-block basis.
If the programming and erasure endurance is n (n = 1,000), each block can be erased n times. For example, if 1,024 1-byte
writes are performed to different addresses in block A, a 1 Kbyte block, and then the block is erased, the
programming/erasure endurance still stands at one.
However, the same address must not be programmed more than once per erase operation (overwriting prohibited).
addresses in turn so that as much of the block as possible is used up before performing an erase operation. For example,
when programming groups of 16 bytes, the effective number of rewrites can be minimized by programming up to 128 groups
before erasing them all in one operation. It is also advisable to retain data on the erasure endurance of each block and limit
the number of erase operations to a certain number.
command at least three times until the erase error does not occur.
CC
= 2.7 to 5.5 V and T
Program/erase endurance
Byte program time
Block erase time
Time delay from suspend request until
suspend
Interval from erase start/restart until
following suspend request
Time from suspend until erase restart
Time from when command is forcibly
terminated until reading is enabled
Program, erase voltage
Read voltage
Program, erase temperature
Data hold time
Flash Memory (Program ROM) Electrical Characteristics
Parameter
(7)
opr
= 0 to 60 ° C, unless otherwise specified.
(2)
Ambient temperature = 55 ° C
Conditions
1,000
Min.
2.7
1.8
20
−
−
−
0
−
−
0
(3)
32. Electrical Characteristics
Typ.
Standard
0.3
80
−
−
−
−
−
−
−
−
−
30+CPU clock
30+CPU clock
5+CPU clock
× 3 cycles
× 1 cycle
× 1 cycle
Max.
500
5.5
5.5
60
−
−
−
−
times
year
Unit
ms
µ s
µ s
µ s
µ s
° C
V
V
s
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