MC9S08EL32 Datasheet, PDF (348/356 Pages) Freescale Semiconductor, Inc – 8-Bit HCS08 Central Processor Unit (CPU)

Appendix A Electrical Characteristics
Table A-15. SPI Electrical Characteristic (continued)
Num¹ C
Rating²
Symbol
Min
Max
Unit
11
D Data hold time (outputs)
Master _tHO
–10
Slave _tHO
–10
—
ns
—
ns
12
D Operating frequency
Master
f_op
Slave
f_op
f_Bus/2048
dc
5⁵
f_Bus/4
MHz
1 _{Refer to Figure A-14 through Figure A-17.}
2 _{All timing is shown with respect to 20% VDD and 70% VDD, unless noted; 100 pF load on all SPI}
pins. All timing assumes slew rate control disabled and high drive strength enabled for SPI output
pins.
3 _{Time to data active from high-impedance state.}
4 _{Hold time to high-impedance state.}
5 _{Maximum baud rate must be limited to 5 MHz due to input filter characteristics.}
SS¹
(OUTPUT)
SCK
(CPOL = 0)
(OUTPUT)
SCK
(CPOL = 1)
(OUTPUT)
MISO
(INPUT)
MOSI
(OUTPUT)
2
1
5
4
5
6
7
MSB IN²
10
MSB OUT²
4
BIT 6 . . . 1
10
BIT 6 . . . 1
3
LSB IN
11
LSB OUT
NOTES:
1. SS output mode (MODFEN = 1, SSOE = 1).
2. LSBF = 0. For LSBF = 1, bit order is LSB, bit 1, ..., bit 6, MSB.
Figure A-14. SPI Master Timing (CPHA = 0)
MC9S08EL32 Series and MC9S08SL16 Series Data Sheet, Rev. 3
350
Freescale Semiconductor