TINT
12
TINT
34
L4 Peripheral
Interconnect
MPU Subsystem
and PRU-ICSS
Interrupts
McASP
Subsystem
x_intr_pend
MCAx_AHCLKX
AHCLKX
ACLKX
MCAx_ACLKX
MCAx_AFSX
AFSX
AHCLKR
EDMA
xevent_dreq
revent_dreq
aux_clk
McASPx Pads
MCAx_AHCLKR
MCAx_ACLKR
MCAx_AFSR
MCAx_AXR0
MCAx_AXR1
MCAx_AXR2
MCAx_AXR3
ACLKR
AFSR
AMUTE
AMUTEIN
AXR0
AXR1
AXR2
AXR3
AXR[9:4]
AXEVT0
AREVT0
r_intr_pend
L3 Slow
Interconnect
CFG Interface
DMA/Data
Interface
PRCM
CLK_M_OSC
MCASP_FCLK
Integration
22.2 Integration
The device contains two instantiations of the McASP subsystem: McASP0 and McASP1. The McASP
subsystem includes a McASP peripheral, and transmit/receive buffers.
Each McASP is configured with four serializers.
Figure 22-1. McASP0–1 Integration
22.2.1 McASP Connectivity Attributes
The general connectivity attributes for the McASP modules are summarized in
Table 22-1. McASP Connectivity Attributes
Attributes
Type
Power Domain
Peripheral Domain
Clock Domain
PD_PER_L3S_GCLK (OCP Clock)
PD_PER_MCASP_FCLK (Aux Clock)
Reset Signals
PER_DOM_RST_N
Idle/Wakeup Signals
Smart Idle
Interrupt Requests
1 Transmit Interrupt per instance
x_intr_pend - to MPU Subsystem (MCATXINTx) and PRU-
ICSS (mcasp_x_intr_pend)
1 Receive Interrupt
r_intr_pend - to MPU Subsystem (MCARXINTx) and PRU-
ICSS (mcasp_r_intr_pend)
DMA Requests
2 DMA requests per instance to EDMA (Transmit: AXEVTx,
Receive: AREVTx)
Physical Address
L3 Slow slave port (data)
L4 Peripheral slave port (CFG)
3771
SPRUH73H – October 2011 – Revised April 2013
Multichannel Audio Serial Port (McASP)
Copyright © 2011–2013, Texas Instruments Incorporated