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參數(shù)資料
| 型號： | MSM7730 |
| 廠商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 1 CHANNEL(S), 2M bps, LOCAL AREA NETWORK CONTROLLER, PQFP144 |
| 封裝： | 20 X 20 MM, 0.50 PITCH, PLASTIC, LQFP-144 |
| 文件頁數(shù)： | 14/20頁 |
| 文件大?。?/td> | 179K |
| 代理商： | MSM7730 |
1
Oki Semiconductor
MSM7730
Wireless LAN Baseband Controller
DESCRIPTION
The MSM7730 is Oki’s second generation of wireless local area network (LAN) baseband controllers des-
ignated “.XI” (a suffix of the IEEE P802.11 protocol). The MSM7730 integrates the baseband physical
layer (PHY) and the lower medium access controller (MAC) layers into a single device that supports the
IEEE 802.11 specification. The MSM7730 supports frequency hopping (FH), spread spectrum, direct-
sequence spread spectrum (DSSS), and infrared (IR) protocols.
Portable hand-held systems require minimal current dissipation during normal and standby modes. The
addition of new hibernate and smart-hibernate power-down modes lowers power consumption to
≤2 mA.
Two voltages are required for the MSM7730; 3.3 V for the core, and 5 V for the input/output (I/O) inter-
face.
The MSM7730 is manufactured using Oki’s advanced Si-gate 0.5m complementary metal-oxide semi-
conductor (CMOS) process. MSM7730 firmware is available from Oki Semiconductor.
FEATURES
Complies with IEEE P802.11 wireless LAN
standards.
Hibernate power savings mode substantially
reduces power consumption in battery
applications.
Access point contention-free mode simplifies
time-bound service.
Single antenna diversity mode lowers system
costs.
Suitable for low-cost stations and access points.
Personal Computer Memory Card International
Association (PCMCIA)-compliant (Version 2.1)
interface supporting 16-bit data transfers.
On-chip radio modem for high-throughput
data transfers.
Processor interface support for 80C186, V33HL,
and V53A.
On-chip multi-port memory controller on chip
for local shared memory and simplified design
construction.
EEPROM interface for downloading
configuration information and nonvolatile
storage.
5-V external and 3.3-V core operation.
Provides seamless interface to the radio, host,
processor, and memory subsystems
Modem bypass mode supports IR and DS.
144-pin LQFP package, suitable for PCMCIA
Type II Cards (LQFP144-P-2020-0.50-K).
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