R8A77800ANBGAV Renesas Electronics America, R8A77800ANBGAV Datasheet - Page 611

• Manufacturer Part Number: R8A77800ANBGAV
• Description: IC SUPERH MPU ROMLESS 449-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7780r

Specifications of R8A77800ANBGAV

• Core Processor: SH-4A
• Core Size: 32-Bit
• Speed: 400MHz
• Connectivity: Audio Codec, MMC, Serial Sound, SCI, SIO, SPI, SSI
• Peripherals: DMA, POR, WDT
• Number Of I /o: 75
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.15 V ~ 1.35 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 449-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

14.2
The external pins for the DMAC are described below. Table 14.1 lists the configuration of the pins
that are connected to external device. The DMAC has pins for four channels (channel 0 to 3) for
external bus use.
Table 14.1 Pin Configuration
Channel Pin Name
0
1
2
Input/Output Pins
DREQ0*
DRAK0*
DACK0*
DREQ1*
DRAK1*
DACK1*
DREQ2*
DRAK2*
DACK2*
2
2
2
2
2
2
1
1
1
*
*
*
*
*
*
*
*
*
4
5
7
8
10
11
3
6
9
Function
DMA transfer request
DREQ0 acceptance
confirmation
DMA transfer end
notification
DMA transfer request
DREQ1 acceptance
confirmation
DMA transfer end
notification
DMA transfer request
DREQ2 acceptance
confirmation
DMA transfer end
notification
I/O
Input
Output Notifies acceptance of DMA transfer
Output Strobe output from channel 0 to
Input
Output Notifies acceptance of DMA transfer
Output Strobe output from channel 1 to
Input
Output Notifies acceptance of DMA transfer
Output Strobe output from channel 2 to
Section 14 Direct Memory Access Controller (DMAC)
Description
DMA transfer request input from
external device to channel 0
request and start of execution from
channel 0 to external device
external device which has output,
regarding DMA transfer request
DMA transfer request input from
external device to channel 1
request and start of execution from
channel 1 to external device
external device which has output,
regarding DMA transfer request
DMA transfer request input from
external device to channel 2
request and start of execution from
channel 2 to external device
external device which has output,
regarding DMA transfer request
Rev.1.00 Dec. 13, 2005 Page 559 of 1286
REJ09B0158-0100