Freescale Semiconductor, Inc.
November 5, 1998
GENERAL RELEASE SPECIFICATION
TABLE OF CONTENTS
Section
Page
SECTION 8
MULTI-FUNCTION TIMER
8.1
8.2
8.3
8.3.1
8.3.2
8.4
OVERVIEW...................................................................................................... 8-2
COMPUTER OPERATING PROPERLY (COP) WATCHDOG ........................ 8-2
MFT REGISTERS............................................................................................ 8-2
Timer Counter Register (TCNT) $09 ........................................................... 8-2
Timer Control/Status Register (TCSR) $08 ................................................. 8-3
OPERATION DURING STOP MODE .............................................................. 8-4
COP CONSIDERATION DURING STOP MODE............................................. 8-4
8.5
SECTION 9
16-BIT TIMER
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
TIMER REGISTERS (TMRH, TMRL)............................................................... 9-2
ALTERNATE COUNTER REGISTERS (ACRH, ACRL) .................................. 9-4
INPUT CAPTURE REGISTERS ...................................................................... 9-5
OUTPUT COMPARE REGISTERS ................................................................. 9-8
TIMER CONTROL REGISTER (TCR) ........................................................... 9-10
TIMER STATUS REGISTER (TSR)............................................................... 9-11
TIMER OPERATION DURING WAIT MODE................................................. 9-12
TIMER OPERATION DURING STOP MODE................................................ 9-12
SECTION 10
UNIVERSAL SERIAL BUS MODULE
10.1 FEATURES.................................................................................................... 10-1
10.2 OVERVIEW.................................................................................................... 10-2
10.2.1 USB Protocol ............................................................................................. 10-3
10.2.2 Reset Signaling.......................................................................................... 10-8
10.2.3 Suspend..................................................................................................... 10-9
10.2.4 Resume After Suspend.............................................................................. 10-9
10.2.5 Low Speed Device................................................................................... 10-10
10.3 CLOCK REQUIREMENTS........................................................................... 10-10
10.4 HARDWARE DESCRIPTION....................................................................... 10-10
10.4.1 Voltage Regulator.................................................................................... 10-11
10.4.2 USB Transceiver...................................................................................... 10-12
10.4.3 Receiver Characteristics.......................................................................... 10-12
10.4.4 USB Control Logic ................................................................................... 10-14
10.5 I/O REGISTER DESCRIPTION ................................................................... 10-18
10.5.1 USB Address Register (UADDR)............................................................. 10-19
10.5.2 USB Interrupt Register 0 (UIR0).............................................................. 10-19
10.5.3 USB Interrupt Register 1 (UIR1).............................................................. 10-21
10.5.4 USB Control Register 0 (UCR0) .............................................................. 10-22
10.5.5 USB Control Register 1 (UCR1) .............................................................. 10-23
10.5.6 USB Control Register 2 (UCR2) .............................................................. 10-24
MC68HC05JB3
REV 1
MOTOROLA
iii
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Go to: www.freescale.com
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