ATA5749 ATMEL Corporation, ATA5749 Datasheet - Page 15

• Manufacturer Part Number: ATA5749
• Description: Fractional-n PLL Transmitter IC
• Manufacturer: ATMEL Corporation

Figure 6-4.
9128C–RKE–10/08
SDIN_TXDIN
CLK (Output)
SCK (Input)
PA (Output
Timing Diagram when using Reset_Register_Mode
EN (Input)
Power)
(Input)
Table 6-3.
Operating Mode
OFF_Mode
Start_Up_Mode_1
Start_Up_Mode_2
TX_Mode1
TX_Mode2
Clock_Only_Mode
Reset_Register_Mode
Configuration_Mode_1
Configuration_Mode_2
Note:
Start_Up_
Mode_1
Configuration
1. Only if activated with CLK_ON = HIGH
Start_Up_
32-bit
Mode_2
Active Circuits as a Function of Operating Mode
TX_Mode1
T
PLL
TX_Mode1 and
Data
TX_
TX_Mode2
TX_Mode2
T
SDIN_TXDIN_setup
FSK;
ASK:
Active Circuit Blocks
-none-
Power up/down; XTO; digital control
Power up/down; XTO; digital control; fractional-N-PLL
Power up/down; XTO; digital control; fractional-N-PLL; CLK_DRV
Power up/down; XTO; digital control; fractional-N-PLL; CLK_DRV
Power up/down; XTO; digital control; CLK_DRV
Power up/down; XTO; digital control; CLK_DRV
Power up/down; XTO; digital control; CLK_DRV
Power up/down; XTO; digital control; CLK_DRV
T
Register_
EN_Reset
Reset_
Mode
T
EN_setup
figuration_
Mode_1
Con-
Configuration
ATA5749 [Preliminary]
figuration_
32-bit
Mode_2
Con-
TX_Mode1
T
PLL
TX_Mode1 and
Data
TX_
TX_Mode2
TX_Mode2
ASK:
FSK;
(1)
(1)
(1)
(1)
; fractional-N-PLL
OFF_
Mode
(1)
(1)
; PA
15