ML7055 데이터 시트보기 (PDF) - Oki Electric Industry

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ML7055

Bluetooth Baseband Controller IC

Oki Electric Industry 

OKI Semiconductor

FEDL7055-02

ML7055

DESCRIPTION OF INTERNAL BLOCKS

CLKGEN Block

• Generates a clock that is supplied to each block through SCLKP (12/13 MHz)

• STOP/HALT function

CTL/WDT Block

• Control of the frequency division function of the internal main clock

• Control of clock supplied to each peripheral

• Control of reset of each peripheral

• STOP/HALT control

• Watchdog timer function (interrupt/reset)

Timer Block

• 1 channel

• 18-bit timer counter

• Interrupt by compare function

• One shot, interval, or free-run mode

Base band Core Block

Audio

Codec

I/F

APB

ARM

I/F

Tx SCO Buffer

Tx ACL Buffer

Packet

Composer

RF LSI

TXD

Security

Timing

FHCNT

RF

CNT

CNT

Rx SCO Buffer

Rx ACL Buffer

Packet

Decomposer

RXD

• RF Controller

- RF power supply control (PLL, TX, RX)

- Local PLL frequency division ratio setting

- Receive clock regeneration function

- Synchronization detection (synchronizing within the permissable error limit of SyncWord)

- Receive clock re-timing function

• FH Controller hopping

- Sequence control

- Frequency hopping selection function

- CRC computation's initial value selection function

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