Poczytaj o kontrolerze R2J240 * na forum Elektroda , jest podforum ( Komputery Regeneracja Baterii ) Link Znaleziono około 18 wyników dla: r2j240 - z YT Link/ * Link Forum Link Oraz ukr. forum i programik do np. Reset controlera R2J240 Link * czy forum Link :!: Problem jest z rys. ukł. pracy tego controlera R2J240 QFN48 - np. Link Strona firmy Renesas nic nie podaje o R2J24060F - a wypusciłą nowy R2A240 60F020 - podobno M37512 (also Renesas) jest kompatybilny , ale ? co z opisem pinów u jedneo i drugiego M37512 is just an 8-bit MCU that is mated with an external AFE, so the R2J24020F is a completely different https://obrazki.elektroda.pl/5669968100_1567875450_thumb.jpg p.s Może to od TI naprowadzi Link
The following page content corresponds to the products formerly marketed by Renesas Technology Corp.
Renesas Technology Releases R2J24020F Group of Smart Battery IC enabling High-Precision BatteryRemaining Detection
− 16-bit MCU for enhanced processing performance and highly precise voltage and current measurement −
Tokyo, December 8, 2008 —— Renesas Technology Corp. today announced the R2J24020F Group for lithium-ion
battery packs with Smart Battery System (SBS) *1 support. Sample shipments will begin on December 9, 2008, in
Japan.
The newly developed R2J24020F Group of System in Package (SiP) products combine a controller MCU chip and an
analog front end chip in a single package and improve on the functionality of the earlier R2J24010F Group from
Renesas Technology. The control MCU is built around a high-performance 16-bit CPU core and integrates a
high-precision, power-efficient A/D converter for measuring current and voltage. The single-package SiP
configuration provides a smaller mounting area, reduces the number of external components, and requires fewer
man-hours for initial calibration, *2 thereby reducing the production cost of each battery pack.
& lt; Product Background & gt;
In recent years the popularity of battery-powered mobile devices such as notebook PCs has grown rapidly. The
battery packs of these devices are primarily of the lithium-ion or similar types in order to achieve high energy density
and extended battery life without increasing the external dimensions. In addition, accurate battery-remaining
indication is a key element in improving the usefulness and flexibility of battery-powered devices. There is high
demand for improved battery charge/discharge safety and more precise battery-remaining indication in such devices.
Smart Battery System is a specification that standardizes the specifications for data and communication between
battery and device in order to provide detailed indication and management of the battery charge remaining, etc., in
products such as notebook PCs. To implement the necessary functionality on the battery end requires an analog front
end chip, for internal battery measurement and control, and a control chip such as an MCU, for communication with
the device.
Renesas Technology already mass produces the widely adopted R2J24010F Group of SiP products for lithium-ion
battery packs supporting the Smart Battery System standard. Each combines in a single package an 8-bit MCU chip
and an analog front end battery protection control chip. The new R2J24020F Group responds to market demand for
improved battery-remaining indicator accuracy with a 16-bit MCU for better performance and an A/D converter with
enhanced precision.
& lt; Product Features & gt;
The main features of the R2J24020F Group are outlined below.
(1)MCU with R8C 16-bit CPU core for improved processing performance
The control MCU is built around the R8C 16-bit CPU core. The R8C is the same CPU core used in Renesas
Technology's popular R8C Family of MCU products. It delivers powerful processing performance as well as low EMI
(Electro Magnetic Interference) and high EMS (Electro Magnetic Susceptibility). The 16-bit MCU boosts processing
performance, enabling faster instruction execution speed. This allows lower current consumption with shorter
transition time from operating mode to low power mode for example.
(2)High-precision, power-efficient current integrator circuit and A/D converter
It is necessary to measure the battery's current and voltage levels to provide battery-remaining indication
functionality. Earlier products from Renesas Technology used ΔΣ (delta-sigma) A/D with 14-bit resolution for the
current integrator circuit and a ΔΣA/D converter with 12-bit resolution for voltage measurement. The R2J24020F
Group boosts the resolution to 15/16-bit for the current integrator circuit and 13-bit for the voltage measurement
A/D converter for more precise battery-remaining indication.
In addition, the improved linearity of the A/D converter reduces the number of man-hours required for initial
calibration. The A/D converter benefits from several enhancements to the circuit design and other aspects that
reduce power consumption to about one-tenth that of earlier Renesas Technology products.
(3)SiP configuration for smaller mounting area and fewer external components
The SiP configuration combines the MCU chip and analog front end chip in a single package, shrinking the
mounting area by about 30% compared with using two packages (comparison with equivalent Renesas Technology
products) and reducing the number of external components for a lower battery pack price overall.
(4)Available in three flash memory capacities
The R2J24020F Group is available with any of three on-chip flash memory capacities for storing MCU programs.
This allows customers to select the memory capacity that matches the size of the software they plan to develop.
Renesas Technology can ship R2J24020F Group products either with the flash memory pre-programmed with the
customer's software or blank.
The compact 48-pin LQFP package (7 mm x 7 mm) contributes to a smaller board form factor.
The E8a Emulator on-chip debugger with single-pin interface support is available as a development environment.
Since only one pin is needed to connect to the debugger, all the I/O pins are available for use during debugging,
allowing for efficient program development. Newly added debugging functions enable referencing and changing the
contents of RAM while the developer's software is running for even more efficiency.
In response to market requirements, Renesas Technology will continue to develop and release in a timely manner
more products in this category, including high-end products with enhanced A/D converter functions, versions with
smaller packages, and lower-priced versions for midrange applications.
& lt; Notes & gt;
Notes:1.Smart Battery System (SBS): SBS is a battery specification for devices such as notebook PCs proposed by
the Smart Battery System Implementers Forum (SBS-IF). It enables the realization of “intelligent” battery
packs that can monitor their own status and respond to queries (battery type, full-charge capacity,
remaining capacity, charge/discharge count, battery voltage, discharge current, etc.) from the device.
2.Initial calibration: Adjustments to ensure the accuracy of voltage and current measurement. For example,
the initial battery voltage calibration of the voltage measurement function involves input of two accurate
reference potential points and A/D conversion by the MCU to obtain voltage values and A/D conversion
values for the two points.
* Product names, company names, or brands mentioned are the property of their respective owners.
& lt; Typical Applications & gt;
Devices supporting the Smart Battery System specification: Battery packs for notebook PCs and electric
power tools, etc.
& lt; Prices in Japan & gt; *For Reference
Flash
Product Name
Product No
R2J24020F
R2J24020F-xxxFP 56 KB + 4 KB/
Group
Memory/RAM
Sample Price [Tax
Shipping Form
Package (Size)
Included] (Yen)
Pre-programmed
48-pin LQFP
500 to 600
1.5 KB
(7 mm x 7 mm)
R2J24021F-xxxFP 64 KB + 4 KB/
2 KB
R2J24022F-xxxFP 96 KB + 4 KB/
2.5 KB
R2J24022FFP
96 KB + 4 KB/
Blank
2.5 KB
Note: The ROM code is represented by “xxx” in the product No.
& lt; Specifications & gt;
Item
R2J24020F Group Specifications
Product No.
R2J24020F-xxxFP
CPU core
R8C 16-bit CPU core
Max. operating
4.19 MHz/VCC: 4.2 V to 25 V
R2J24021F-xxxFP
R2J24022F-xxxFP
R2J24022FFP
64 Kbytes
96 Kbytes
96 Kbytes
2 Kbytes
2.5 Kbytes
2.5 Kbytes
frequency/ power
supply voltage
Operating
−20 to 85℃
temperature range
Flash memory
56 Kbytes
Data flash
1 Kbyte x 4 blocks
RAM
1.5 Kbytes
On-chip peripheral
Multifunction timer (8-bit timer): 3 channels
functions (MCU)
Watchdog timer: 1 channel
Serial interface
Clock synchronous/UART: 1 channel
Clock synchronous: 1 channel (for SiP internal communication between MCU and
AFE only)
Multimaster I2C bus interface: 1 line
PWM: 8-bit x 1
General ports (programmable I/O ports): 31 (of which 7 used internally by SiP)
LED drive ports: 5 (connectable to on-chip resistors, resistance value selectable)
Pull-up resistance: Setable in 1-bit units for 6 ports
A/D converter: 13-bit resolution (ΔΣ type) x 11 channels (of which 4 used internally by SiP)
Current integrator circuit: 15/16-bit resolution (ΔΣ type)
Overvoltage detection circuits: One for each of the following functions
Discharge short circuit current detect 1, discharge short circuit current detect 2, discharge
overcurrent detect, charge overcurrent detect, wakeup current detect
Simple temperature sensor: 1
On-chip peripheral
Charge/discharge FET control
functions (AFE)
Battery voltage detection circuit
“Pack+” terminal voltage detection circuit
Series regulator: 2 circuits
Reset circuit
Conditioning circuit
Intermediate TAP unplugged detection circuit
MCU runaway detection circuit
Oscillator circuit
4.19 MHz on-chip oscillator
Low-speed on-chip oscillator
Package
48-pin LQFP (7 mm x 7 mm, 0.5 mm pin pitch)
*** Information contained in this news release is current as of the date of the press announcement, but may be
subject to change without prior notice. ***
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