MC68HC12 Datasheet, PDF (19/478 Pages) Motorola, Inc – The MC68HC912DT128A microcontroller unit (MCU) is a 16-bit device composed of standard on-chip peripherals including a 16-bit central processing unit

List of Figures
21-3 STOP Recovery Timing Diagram . . . . . . . . . . . . . . . . . . . . . .431
21-4 WAIT Recovery Timing Diagram . . . . . . . . . . . . . . . . . . . . . . 432
21-5 Interrupt Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 433
21-6 Port Read Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . .434
21-7 Port Write Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . .434
21-8 Multiplexed Expansion Bus Timing Diagram . . . . . . . . . . . . . 436
A) SPI Master Timing (CPHA = 0) . . . . . . . . . . . . . . . . . . . . . 438
B) SPI Master Timing (CPHA = 1) . . . . . . . . . . . . . . . . . . . . . 438
21-9 SPI Timing Diagram (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . 438
21-9 A) SPI Slave Timing (CPHA = 0) . . . . . . . . . . . . . . . . . . . . . . 439
21-9 B) SPI Slave Timing (CPHA = 1) . . . . . . . . . . . . . . . . . . . . . . 439
21-10 SPI Timing Diagram (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . 439
MC68HC912DT128A — Rev 4.0
MOTOROLA
List of Figures
Technical Data
19