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Dual Read Instructions . . . . . . . . . . . . .32
—E—
Effective Address Update . . . . . . . . . . .34
Event Select (ES) Bit 8 . . . . . . . . . . . . 7-6
Exception Priorities within an IPL . . . 1-12
—F—
Fractional Arithmetic . . . . . . . . . . . . . . 1-8
Frequency Multiplier . . . . . . . . . . . . . . 9-4
—G—
G Bus Data . . . . . . . . . . . . . . . . . . . . 1-30
GDB . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Global Data Bus . . . . . . . . . . . . . . . . . 1-7
GSM Bit (GSM) . . . . . . . . . . . . . . . . . . 9-8
—H—
HCR Host Command Interrupt Enable
(HCIE) Bit 2 . . . . . . . . . . . . . . 5-10
HCR Host Flag 2 (HF2) Bit 3 . . . . . . 5-10
HCR Host Flag 3 (HF3) Bit 4 . . . . . . 5-10
HCR Host Receive Interrupt Enable
(HRIE) Bit 0 . . . . . . . . . . . . . . 5-10
HCR Host Transmit Interrupt Enable
(HTIE) Bit 1 . . . . . . . . . . . . . . 5-10
HCR Reserved Control – Bits 5, 6 and 7 .
5-11
HI . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Host Control Register . . . . . . . . . . . . . 5-9
Host Control Register (HCR) . . . . . . . .53
Host Interface . . . . . . . . . . . . . . .1-17
Host Port Usage . . . . . . . . . . . . . . . . 5-21
Host Programmer Considerations . . . 5-21
Host Receive Data Register . . . . . . . . 5-6
Host Receive Data Register (HRX) . . . .54
Host Status Register . . . . . . . . . . . . . 5-11
Host Status Register (HSR) . . . . . . . . .54
Host to DSP . . . . . . . . . . . . . . . . . . . 5-19
Host Transmit Data Register . . . . . . . . 5-5
MOTOROLA
Index (Continued)
Host Transmit Data Register (HTX) . . . 54
HSR DMA Status (DMA) Bit 7 . . . . . 5-12
HSR Host Command Pending (HCP) Bit 2
. . . . . . . . . . . . . . . . . . . . . . . . 5-11
HSR Host Flag 0 (HF0) Bit 3 . . . . . . 5-12
HSR Host Flag 1 (HF1) Bit 4 . . . . . . 5-12
HSR Host Receive Data Full (HRDF) Bit 0
. . . . . . . . . . . . . . . . . . . . . . . . 5-11
HSR Host Transmit Data Empty (HTDE)
Bit 1 . . . . . . . . . . . . . . . . . . . . 5-11
HSR Reserved Status – Bits 5 and 6 5-12
I/O Port Set-up . . . . . . . . . . . . . . . . . . 4-3
ICR Host Flag 0 (HF0) Bit 3 . . . . . . . 5-13
ICR Host Flag 1 (HF1) Bit 4 . . . . . . . 5-14
ICR Host Mode Control (HM1, HM0) Bits 5
and 6 . . . . . . . . . . . . . . . . . . . 5-14
ICR Initialize Bit (INIT) Bit 7 . . . . . . . 5-15
ICR Receive Request Enable (RREQ) Bit 0
. . . . . . . . . . . . . . . . . . . . . . . . 5-12
ICR Transmit Request Enable (TREQ) Bit
1 . . . . . . . . . . . . . . . . . . . . . . 5-13
Instruction Set Summary . . . . . . . . . . . 29
Integer Data ALU Instructions . . . . . . . 39
Integer Operations . . . . . . . . . . . . . . . 1-8
Interrupt Control Register (ICR) . .5-12
Interrupt Priority Levels . . . . . . . . . . 1-12
Interrupt Priority Register (IPR) . .1-11
Interrupt Priority Structure . . . . . . . . 1-12
Interrupt Status Register (ISR) . . .5-16
Interrupt Vector Register (IVR) . . .5-17
Interrupts Starting Addresses and Sources
. . . . . . . . . . . . . . . . . . . . . . . . . . 28
5-3
,
Inverter Bit (INV) Bit 14 . . . . . . . . . . . 7-7
IPL . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
IPR . . . . . . . . . . . . . . . . . . . . . . . . . 27
ISR (Reserved Status) Bit 5 . . . . . . . 5-17
ISR DMA Status (DMA) Bit 6 . . . . . . 5-17
ISR Host Flag 2 (HF2) Bit 3 . . . . . . . 5-17
ISR Host Flag 3 (HF3) Bit 4 . . . . . . . 5-17
ISR Host Request (HREQ) Bit 7 . . . 5-17
—I—
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INDEX - 5
55
43
56
57
43
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