MC68HC901 Datasheet, PDF (72/73 Pages) Motorola, Inc – Multi-Function Peripheral

Index
Receiver Timing ................................. 8-11
register programming ........................... 1-2
Register Select Bus Signals ................ 2-2
Reset Operation ................................... 3-3
Reset Signal ........................................ 2-2
Reset Timing ...................................... 8-11
RSR register ........................................ 7-5
S
SCR register ........................................ 7-2
Section(s)
Bus Operation ................................ 3-1
Electrical Characteristics ................ 8-1
General Purpose Input/Output
Port ...................................... 5-1
Interrupt Structure .......................... 4-1
Introduction ..................................... 1-1
Mechanical Data and Ordering
Information ........................... 9-1
Signal Description .......................... 2-1
Timers ............................................ 6-1
Universal Synchronous/
Asynchronous Receiver-
Transmitter .......................... 7-1
Selecting the End-Of-Interrupt
Mode ....................................... 4-11
Serial I/O Control Signals .................... 2-4
Signal Description ................................ 2-1
Signal Groups
Asynchronous Bus Control ............. 2-2
Clock (CLK) .................................... 2-2
Data Bus (D7–D0) .......................... 2-2
DMA Control ................................... 2-5
GPIP Interrupts (I7–I0) ................... 2-3
Interrupt Control ............................. 2-3
Power Supply (V_CC and GND) ....... 2-1
Register Select Bus
(RS1–RS5) .......................... 2-2
Reset (RESET) ............................... 2-2
Serial I/O Control ............................ 2-4
Timer Control .................................. 2-4
Signal Summary .................................. 2-5
Software End-Of-Interrupt Mode ........ 4-12
Special Receive Conditions ................. 7-7
Synchronous Format ........................... 7-2
T
Thermal Characteristics ....................... 8-1
Timer AC Characteristics ..................... 8-7
Timer Control Registers (TxCR) ........... 6-4
Timer Control Signals ........................... 2-4
Timer Data Registers (TxDR) ............... 6-4
Timer Registers
Timer A Control Register
(TACR) ................................. 6-4
Timer A Data Register
(TADR) ................................. 6-4
Timer B Control Register
(TBCR) ................................. 6-4
Timer B Data Register
(TBDR) ................................. 6-4
Timer C and D Control Register
(TCDCR) .............................. 6-4
Timer C Data Register
(TCDR) ................................. 6-4
Timer D Data Register
(TDDR) ................................. 6-4
Timer Timing ...................................... 8-12
Timers .................................................. 6-1
Transmitter ........................................... 7-7
Transmitter Interrupt Channels ............ 7-8
Transmitter Timing ............................. 8-11
TSR register ......................................... 7-8
U
UCR register ........................................ 7-3
UDR register ........................................ 7-4
Universal Synchronous/Asynchronous
Receiver-Transmitter ................. 7-1
USART Registers
Receiver Status Register
(RSR) ................................... 7-5
Synchronous Character Register
(SCR) ................................... 7-2
Transmitter Status Register
(TSR) ................................... 7-8
USART Control Register
(UCR) ................................... 7-3
USART Data Register (UDR) ......... 7-4
V
Vector Register (VR) ............................ 4-2
MOTOROLA
MC68HC901 USER’S MANUAL
INDEX-3