DBB03AIPM datasheet(4/9 Pages) TI

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FUNCTIONAL BLOCK DIAGRAMS: DBB03A

Oscillator

ACLK

SMCLK

CPU

Incl. 16 Reg.

Bus

Conv

MCB

XIN XOUT/TCLK

XT2IN

XT2OUT

TMS

TCK

MDB, 16 Bit

MAB, 16 Bit

MCLK

TDI

TDO/TDI

MAB,

4 Bit

DVCC

DVSS

AVCC

AVSS

RST/NMI

System

Clock

ROSC

16KB ROM

8KB ROM

512B RAM

256B RAM

Watchdog

Timer

15/16-Bit

Timer_B3

3 CC Reg

Shadow

Reg

Timer_A3

3 CC Reg

Test

JTAG

I/O Port

1/2

16 I/Os,

with

Interrupt

Capability

I/O Port 3/4

16 I/Os

POR

Comparator

USART0

UART Mode

SPI Mode

I/O Port 5/6

16 I/Os

MDB, 8 Bit

MDB, 16-Bit

MAB, 16-Bit

DEVICE INFORMATION

DBB03A

Baseband ASIC for Dolphin Chipset

SWRS030 – JULY 2005

TERMINAL FUNCTIONS

TERMINAL

I/O

DESCRIPTION

NAME

NO.

AVCC

Supply voltage, positive terminal. AVCC and DVCC are internally connected together.

AVSS

Supply voltage, negative terminal. AVSS and DVSS are internally connected together.

DVCC

Supply voltage, positive terminal. AVCC and DVCC are internally connected together.

DVSS

Supply voltage, negative terminal. AVSS and DVSS are internally connected together.

P1.0/TACLK

I/O

General-purpose digital I/O pin/Timer_A, clock signal TACLK input

P1.1/TA0

I/O

General-purpose digital I/O pin/Timer_A, capture: CCI0A input, compare: Out0 output

P1.2/TA1

I/O

General-purpose digital I/O pin/Timer_A, capture: CCI1A input, compare: Out1 output

P1.3/TA2

I/O

General-purpose digital I/O pin/Timer_A, capture: CCI2A input, compare: Out2 output

P1.4/SMCLK

I/O

General-purpose digital I/O pin/SMCLK signal output

P1.5/TA0

I/O

General-purpose digital I/O pin/Timer_A, compare: Out0 output

P1.6/TA1

I/O

General-purpose digital I/O pin/Timer_A, compare: Out1 output

P1.7/TA2

I/O

General-purpose digital I/O pin/Timer_A, compare: Out2 output

P2.0/ACLK

I/O

General-purpose digital I/O pin/ACLK output

P2.1/TAINCL

I/O

General-purpose digital I/O pin/Timer_A, clock signal at INCLK

P2.2/CAOUT/

I/O

General-purpose digital I/O pin/Timer_A, capture: CCI0B input/Comparator_A output

TA0

P2.3/CA0/TA

I/O

General-purpose digital I/O pin/Timer_A, compare: Out1 output/Comparator_A input

P2.4/CA1/TA

I/O

General-purpose digital I/O pin/Timer_A, compare: Out2 output/Comparator_A input

General-purpose digital I/O pin/input for external resistor defining the DCO nominal

P2.5/ROSC

I/O

frequency

P2.6

I/O

General-purpose digital I/O pin

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