SK-FR80-120PMC-USB Fujitsu, SK-FR80-120PMC-USB Datasheet - Page 109
![no-image](/images/manufacturer_photos/0/2/267/fujitsu_sml.jpg)
SK-FR80-120PMC-USB
Manufacturer Part Number
SK-FR80-120PMC-USB
Description
BOARD, EVAL, FOR MB91660 SERIES
Manufacturer
Fujitsu
Type
Evaluation Boardr
Datasheet
1.SK-FR80-120PMC-USB.pdf
(146 pages)
Specifications of SK-FR80-120PMC-USB
Kit Features
External FRAM Memory MB85RS256, USB A & USB A Connectors, USB To Serial Converter
Mcu Supported Families
MB91660
Silicon Manufacturer
Fujitsu
Core Architecture
FR80
Kit Contents
Board, USB A To Mini-B Cable
Features
USB Connector, 7-segment LED, Humidity Sensor
Rohs Compliant
No
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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interface. The features are listed below.
access the FRAM. The commands are listed below.
WREN
WRDI
RDSR
WRSR
READ
WRITE
9.2 Details on the FRAM MB85RS256
The MB85RS256 is a stand-alone FRAM device with a 256-Kbit capacity that supports the SPI
<Features>
- Bit configuration: 32,768 words x 8 bits
- Operating power supply voltage: 3.0 V to 3.6 V
- Operating frequency: 15 MHz (Max)
- Serial Peripheral Interface: SPI
- Operating temperature range: -20°C to 85°C
- Data retention: 10 years (+ 55°C)
- Read-write cycles: 10
- Package: 8-pin plastic SOP (FPT-8P-M02)
<Connections>
<OP-CODE>
The MB85RS256 accepts six commands specified in op-code. These commands are used to
Code name
Figure 11-2 shows a sample method of connection with the microcontroller (MCU).
MCU
Figure 11.2-1. FRAM connection with the microcontroller (MCU)
HOLD(GPIO)
Set Write Enable Latch
Reset Write Enable Latch
Read Status Register
Write Status Register
Read Memory Code
Write Memory Code
CS(GPIO)
Description
10
SCK
cycles/bit (min)
SO
SI
Table 11.2-1 MB85RS256
108
0x06 (0000110
0x04 (0000100
0x05 (0000101
0x01 (0000001
0x03 (0000011
0x02 (0000010
SCK
SI
SO
CS
HOLD
Op-code (Hex) (binary)
FRAM
B
B
B
B
B
B
)
)
)
)
)
)
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