HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 650

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Figure 21.1 shows a block diagram of the Bluetooth interface (BT).
Note: * These pins, i.e., the Voice Codec pins, can be used as I/O ports when a Voice Codec IC is not connected.
Rev. 1.00, 02/04, page 612 of 804
RDI_RXBDW_OUT
RDI_REFCLK_IN
RDI_TXTRDATA
RDI_CTRL2
RDI_CTRL3
RDI_CTRL4
Pin function controller (PFC)
PSELA register
PSA1 RT CSEL
Figure 21.1 Block Diagram of Bluetooth Interface (BT)
Power-on-reset/
clock-resume control circuit
RF-IC
interface
RF-IC SPI interface
RESETP
Test circuit
RREF
1
Voice Codec interface
1
Frequency
conversion
circuit
EXTAL2
0
Oscillator
0
XTAL2
Bus
interface
RTCSEL0
BT
Internal reset signal