EM77950 datasheet(77/102 Pages) EMC

77 / 102 page

EM77950

BB Controller

Product Specification (V1.0) 10.09.2007

• 69

(This specification is subject to change without further notice)

9.4 Transceiver Timing

SPIE

SCK

CES = 1

SDO

SDOD = 0

SDI

SDID = 0

Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6 Bit7

Bit

6 Bit7

Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6

Bit

6 Bit7

Bit0 Bit1 Bit2 Bit3 Bit4 Bit5 Bit6

SCK

CES = 0

Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0

SDO

SDOD = 1

Bit

6 Bit0

Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1

Bit

6 Bit0

Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1

SDI

SDID = 1

RBF

Fig. 9-2 SPI Transceiver Timing

9.5 Related Registers with SPI

As the SPI mode is defined, the related registers of this operation are shown below:

SPIRB (0x1D):

Serial peripheral interface read Register

SPIWB (0x1E):

Serial peripheral interface write Register

INTF (0X11):

Interrupt flag

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

ADIF

RBFIF

PWM1IF

PWM0IF

EINT1F

EINT0F

TCCOF

FRCOF

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

INTE (0X81):

Interrupt enable control

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

GIE

RBFIE

PWM1IE

PWM0IE

EINT1E

EINT0E

TCCOE

FRCOE

SPIC (0X85):

SPI control.

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

SPI_RBF

CES

SBR2

SBR1

SBR0

SDID

SDOD

SPIS

EM77950 Datasheet(PDF) 77 Page - ELAN Microelectronics Corp

EM77950 Datasheet(HTML) 77 Page - ELAN Microelectronics Corp

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL