Table of Contents
MC68HC(7)08KH12
—
Rev. 1.0
Advance Information
MOTOROLA
Table of Contents
9
8.7
Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
8.8
8.8.1
8.8.2
Special Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
Wait Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107
CGM During Break Interrupts . . . . . . . . . . . . . . . . . . . . . .108
8.9
8.9.1
8.9.2
8.9.3
8.9.4
Acquisition/Lock Time Specifications . . . . . . . . . . . . . . . . . . .108
Acquisition/Lock Time Definitions . . . . . . . . . . . . . . . . . . .108
Parametric Influences on Reaction Time . . . . . . . . . . . . .109
Choosing a Filter Capacitor. . . . . . . . . . . . . . . . . . . . . . . .111
Reaction Time Calculation . . . . . . . . . . . . . . . . . . . . . . . .111
Section 9. Universal Serial Bus Module (USB)
9.1
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113
9.2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114
9.3
Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115
9.4
9.4.1
9.4.2
I/O Register Description of the HUB function . . . . . . . . . . . . .116
USB HUB Root Port Control Register (HRPCR). . . . . . . .120
USB HUB Downstream Port Control Register
(HDP1CR-HDP4CR) . . . . . . . . . . . . . . . . . . . . . . . . . .121
USB SIE Timing Interrupt Register (SIETIR). . . . . . . . . . .123
USB SIE Timing Status Register (SIETSR) . . . . . . . . . . .125
USB HUB Address Register (HADDR) . . . . . . . . . . . . . . .127
USB HUB Interrupt Register 0 (HIR0). . . . . . . . . . . . . . . .128
USB HUB Control Register 0 (HCR0). . . . . . . . . . . . . . . .129
USB HUB Endpoint1 Control & Data Register (HCDR) . .131
USB HUB Status Register (HSR) . . . . . . . . . . . . . . . . . . .132
USB HUB Endpoint 0 Data Registers 0-7
(HE0D0-HE0D7). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134
9.4.3
9.4.4
9.4.5
9.4.6
9.4.7
9.4.8
9.4.9
9.4.10
9.5
9.5.1
9.5.2
9.5.3
9.5.4
9.5.5
9.5.6
I/O Register Description of the Embedded Device Function .134
USB Embedded Device Address Register (DADDR) . . . .138
USB Embedded Device Interrupt Register 0 (DIR0). . . . .138
USB Embedded Device Interrupt Register 1 (DIR1). . . . .140
USB Embedded Device Control Register 0 (DCR0) . . . . .141
USB Embedded Device Control Register 1 (DCR1) . . . . .143
USB Embedded Device Status Register (DSR) . . . . . . . .144