MEC1322 Datasheet, PDF (107/456 Pages) Microchip Technology – Keyboard and Embedded Controller for Notebook PC

MEC1322
7.5 Block External Interfaces
FIGURE 7-1:
ARM M4F BASED EMBEDDED CONTROLLER I/O BLOCK DIAGRAM
ARM_M4F EC Block
Chip-level JTAG TAP
DAP
Debug Access Port
TPIU
Trace Port Interface
ARM_M4F IP
Processor
Core w/ FPU
NVIC
Nested
Vectored
Interrupt
Controller
ICode
Interface
(AHB-Lite)
DCode
Interface
(AHB-Lite)
System
Interface
(AHB-Lite)
Memory Memory
Bus Adapt Bus Adapt
AMBA 2
AHB Adapt
Pulse
Sync &
Stretch
Mux
Debug
Host
ETM / ITM
Trace Outputs
Directly Vectored
Connections
Optionally
Grouped
Inputs
Grouped
(Summary)
Interrupts
Unconditionally
Grouped Inputs
Clock
Gate
Chip-Level
Clock
Processor
Clock
Divider
Processor Reset
Core Reset (POR)
Code
Port
Data
Port
AHB
Port
PMC Block
(RAM / ROM)
Chip-Level
System Bus
(AMBA 2 AHB)
Misc. Sideband
 2014 - 2015 Microchip Technology Inc.
DS00001719D-page 107