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STA2500D
Bluetooth™ V2.1 + EDR ("Lisbon") for automotive applications
Features
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Based on Ericsson technology licensing baseband core (EBC)
LFBGA48 (6x6x1.4mm; 0.8mm Pitch)
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Bluetooth™ specification compliance: V2.1 + EDR (“Lisbon”) – Point-to-point, point-to-multipoint (up to 7 slaves) and scatternet capability – Support ACL and SCO links – Extended SCO (eSCO) links – Faster connection ■ HW support for packet types – ACL: DM1, DM3, DM5, DH1, DH3, DH5, 2DH1, 2-DH3, 2-DH5, 3-DH1, 3-DH3, 3-DH5 – SCO: HV1, HV3 and DV – eSCO: EV3, EV4, EV5, 2-EV3, 2-EV5, 3EV3, 3-EV5
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Low power consumption – Ultra low power architecture with 3 different low-power levels – Deep sleep modes, including host-power saving feature – Dual wake-up mechanism: initiated by the host or by the Bluetooth device Communication interfaces – Fast UART up to 4 MHz – Flexible SPI interface up to 13 MHz – PCM interface – Up to 10 additional flexibly programmable GPIOs – External interrupts possible through the GPIOs – Fast I2C interface as master Clock support – System clock input (digital or sine wave) at 9.6, 10, 13, 16, 16.8, 19.2, 26, 33.6 or 38.4 MHz – Low power clock input at 3.2 kHz, 32 kHz and 32.768 kHz ARM7TDMI CPU
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Adaptive frequency hopping (AFH) ■ Channel quality driven data rate (CQDDR) ■ “Lisbon” features – Encryption pause/resume (EPR) – Extended inquiry response (EIR) – Link supervision time out (LSTO) – Secure simple pairing – Sniff subrating – Quality of service (QoS) Packet boundary flag Erroneous data delivery
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Transmit power – Power class 2 and power class 1.5 (above 4 dBm) – Programmable output power – Power class 1 compatible HCI – HCI H4 and enhanced H4 transport layer – HCI proprietary commands (e.g. peripherals control) – Single HCI command for patch/upgrade download – eSCO over HCI supported Supports pitch-period error concealment (PPEC) Efficient and flexible support for WLAN coexistence scenarios
Memory organization – On chip RAM, including provision for patches – On chip ROM, preloaded with SW up to HCI ■ Ciphering support up to 128-bit key
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Single power supply with internal regulators for core voltage generation Supports 1.65 V to 2.85 V I/O systems Auto calibration (VCO, filters) Device summary
Package LFBGA48 Packing Tray Tape and reel
Table 1.
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Order code STA2500D STA2500DTR
July 2009
Doc ID 16067 Rev 1
1/57
www.st.com 1
www.DataSheet4U.com
Contents
STA2500D
Contents
1 2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Quick reference data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1 2.2 2.3 2.4 2.5 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Operating ranges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 I/O specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Clock specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Current consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3 4
Block diagram and electrical schematic . . . . . . . . . . . . . . . . . . . . . . . . 12 Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.1 4.2 4.3 Pin description and assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 HW configuration of the STA2500D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 I/O Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
5.1 5.2 5.3 5.4 5.5 5.6 5.7 Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 PLL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 Bluetooth controller V1.2 and V2.0 + EDR features . . . . . . . . . . . . . . . . . 19 Bluetooth controller V2.1 + EDR (“Lisbon”) . . . . . . . . . . . . . . . . . . . . . . . 19 Processor and memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 TX output power control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
6
General specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6.1 6.2 6.3 6.4 6.5 6.6 6.7 Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Class 1 operation . . . . . ..