MEC1404 Datasheet, PDF (350/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
TABLE 24-2: DMA CONTROLLER DEVICE SELECTION
Device Name
SMBus 1 Controller
SMBus 2 Controller
QUAD SPI Master Controller
Device Number
(Note 1)
2
3
4
5
6
7
Controller Source
Slave
Master
Slave
Master
Transmit
Receive
Note 1: The Device Number is programmed into field HARDWARE_FLOW_CONTROL_DEVICE of the DMA Chan-
nel N Control Register register.
24.6 Power, Clocks and Reset
This section defines the Power, Clock, and Reset parameters of the block.
24.6.1 POWER DOMAINS
VTR
Name
24.6.2 CLOCK INPUTS
Description
This power well sources all of the registers and logic in this block, except
where noted.
Name
48 MHz Ring Oscillator
24.6.3 RESETS
Description
This clock signal drives selected logic (e.g., counters).
Name
Description
nSYSRST
DMA_RESET
This reset signal resets all of the registers and logic in this block.
This reset is generated if either the nSYSRST is asserted or the
SOFT_RESET is asserted.
24.7 Interrupts
This section defines the Interrupt Sources generated from this block.
DS00001956D-page 350
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