MCF51AG128 Datasheet, PDF (33/50 Pages) Freescale Semiconductor, Inc – MCF51AG128 ColdFire Microcontroller

SS¹
(OUTPUT)
SPSCK
(CPOL = 0)
(OUTPUT)
SPSCK
(CPOL = 1)
(OUTPUT)
MISO
(INPUT)
MOSI
(OUTPUT)
2
1
4
4
5
6
MSB IN²
9
MSB OUT²
BIT 6 . . . 1
9
BIT 6 . . . 1
Preliminary Electrical Characteristics
3
LSB IN
10
LSB OUT
NOTES:
1. SS output mode (DDS7 = 1, SSOE = 1).
2. LSBF = 0. For LSBF = 1, bit order is LSB, bit 1, ..., bit 6, MSB.
Figure 15. SPI Master Timing (CPHA = 0)
SS⁽¹⁾
(OUTPUT)
SPSCK
(CPOL = 0)
(OUTPUT)
SPSCK
(CPOL = 1)
(OUTPUT)
MISO
(INPUT)
9
MOSI
(OUTPUT)
PORT DATA
1
2
4
4
5
6
MSB IN⁽²⁾
MASTER MSB OUT⁽²⁾
BIT 6 . . . 1
10
BIT 6 . . . 1
3
LSB IN
MASTER LSB OUT
PORT DATA
NOTES:
1. SS output mode (DDS7 = 1, SSOE = 1).
2. LSBF = 0. For LSBF = 1, bit order is LSB, bit 1, ..., bit 6, MSB.
Figure 16. SPI Master Timing (CPHA = 1)
MCF51AG128 ColdFire Microcontroller, Rev. 5
Freescale Semiconductor
33