EM77950
BB Controller
RFINTE (0x99): BB interrupt enable.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
TX_
EMPTYE
LINK_
DISE
LOCK_OU
TE
CSDE
TX_AEE
RX_AFE
RX_OFE
LOCK_ INE
PRIE (0x80): Peripherals enable control.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
SPIE
-
BBE
ADE
PWM1E
PWM0E
TCCE
FRCE
8.6.2 BB Control Example
ORG
BC
0X0060
RFINTF, TX_EMPTYF
// TX_EMPTY INT address
// RF data send out, clear INT flag.
RETI
ORG
START:
BS
0X0100
RFACR, RRST
// BB reset.
NOP
BC
BS
MOV
MOV
ENI
RFACR, RRST
PRIE, WME
A, #0x10
// BB power enable.
RFINTE, A
// BB INT.TX_EMPTY enable.
// enable all INT.
RF_TX_INITIAL:
WRITE #SCR2, #8
WRITE #BLR, #10
WRITE #PPR, #33
// Reset TX_FIFO, RX mode.
// Set bit rate.
// Set package size to be fixed.
// Refresh bit mode 1. CRC disabled
// Set package size to 6.
WRITE #PSR, #6
WRITE #PRE_H, #0xDC
WRITE #PRE_L, #0xA7
// Set preamble High byte value.
// Set preamble Low byte value.
RF_SEND_DATA:
WRITE #TX_FIFO, #0x01
// Write first byte of package to
// TX_FIFO.
WRITE #TX_FIFO, #0x02
WRITE #TX_FIFO, #0x03
WRITE #TX_FIFO, #0x04
WRITE #TX_FIFO, #0x05
WRITE #TX_FIFO, #0x06
// Write last byte of package to
// TX_FIFO.
READ
#TFR, 0x60
// Read TFR register data
// enable TX_EMPTY INT
// enable all INT.
WRITE #IER, #16
WRITE #SCR4, #0x03
WRITE #SCR2, #1
// move from RX to TX mode.
66 •
Product Specification (V1.0) 10.09.2007
(This specification is subject to change without further notice)
ELAN [ ELAN MICROELECTRONICS CORP ]
