Related Pins; Supply Clock - Fujitsu MB86R02 Jade-D Hardware Manual

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MB86R02 'Jade-D' Hardware Manual V1.64
Function of the individual blocks
Table 15-1 shows each block function of this module.
Table 15-1 Individual block function
Block
DMAC
HdmacMasterCtrl
HdmacSlaveCtrl
HdmacChannel
HdmacMaster
HdmacRegister
HdmacFIFO

15.4 Related pins

MB86R02's DMAC has the following DMA-related pins which are shared with other functions.
To use the pins for DMA, the external pins should be set to MPX_MODE_1[1:0] = "HL".
Pin
DREQ[6]
DREQ[7]
XDACK[6]
XDACK[7]

15.5 Supply clock

The AHB clock is supplied to the DMA controller. Please refer to "5. Clock reset generator
(CRG)" for frequency configuration and the control specifications of this clock.
Most significant module
Valid channel selector for priority controller and AHB master
transaction
DMAC AHB slave interface controller and valid channel selector I/F
for AHB slave transaction
DMAC 1 channel module
DMAC has 8 modules
DMAC AHB master main controller
DMAC DMA configuration register controller
DMAC 16 word FIFO
Direction
Qty.
I
2
O
2
Function
Description
DMA request pin which is connected as channel 7 of
DMAC and channel 6 of external DREQ signal.
DMA acknowledge pin which is connected as channel 7
of DMAC and channel 6 of external DACK signal.
15-3

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