MC68HC901P MOTOROLA [Motorola, Inc], MC68HC901P Datasheet - Page 6

• Manufacturer Part Number: MC68HC901P
• Description: Multi-Function Peripheral
• Manufacturer: MOTOROLA [Motorola, Inc]

1.1
1.2
2.1
2.2
2.3
2.4
2.4.1
2.4.2
2.4.3
2.4.4
2.5
2.6
2.7
2.7.1
2.7.2
2.7.3
2.7.4
2.8
2.9
2.9.1
2.9.2
2.9.3
2.10
2.10.1
2.10.2
2.10.3
2.10.4
2.11
2.11.1
2.11.2
2.12
MOTOROLA
Paragraph
Number
Key Features .............................................................................................1-2
Register Programming ...............................................................................1-2
Power Supply (V
Clock (CLK) .............................................................................................. 2-2
Data Bus (D7–D0) .................................................................................... 2-2
Asynchronous Bus Control ....................................................................... 2-2
Register Select Bus (RS1–RS5) ............................................................... 2-2
Reset (RESET) ......................................................................................... 2-2
Interrupt Control ........................................................................................ 2-3
General Purpose I/O Interrupt Lines (I7–I0) ............................................. 2-3
Timer Control ............................................................................................ 2-4
Serial I/O Control ...................................................................................... 2-4
Direct Memory Access Control ................................................................. 2-5
Signal Summary ....................................................................................... 2-5
Chip Select (CS) .................................................................................. 2-2
Data Strobe (DS) ................................................................................. 2-2
Read/Write (R/W) ................................................................................ 2-2
Data Transfer Acknowledge (DTACK) ................................................. 2-2
Interrupt Request (IRQ) ....................................................................... 2-3
Interrupt Acknowledge (IACK) ............................................................. 2-3
Interrupt Enable In (IEI) ....................................................................... 2-3
Interrupt Enable Out (IEO) ................................................................... 2-3
Timer Inputs (TAI and TBI) .................................................................. 2-4
Timer Outputs (TAO, TBO, TCO, and TDO) ....................................... 2-4
Timer Clock (XTAL1 and XTAL2) ........................................................ 2-4
Serial Input (SI) .................................................................................... 2-4
Serial Output (SO) ............................................................................... 2-5
Receiver Clock (RC) ............................................................................ 2-5
Transmitter Clock (TC) ........................................................................ 2-5
Receiver Ready (RR) .......................................................................... 2-5
Transmitter Ready (TR) ....................................................................... 2-5
TABLE OF CONTENTS
CC
and GND) .................................................................. 2-1
MC68HC901 USER’S MANUAL
Signal Description
Introduction
Section 1
Section 2
Title
Number
Page
vii