HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 792

• Manufacturer Part Number: HD6417712BPV
• Description: MPU 1.5/3.3V 0K PB-FREE 256-BGA
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH Ethernetr

Specifications of HD6417712BPV

• Core Processor: SH-3 DSP
• Core Size: 32-Bit
• Speed: 200MHz
• Connectivity: EBI/EMI, Ethernet, FIFO, SCI, SIO
• Peripherals: DMA, POR, WDT
• Number Of I /o: 24
• Program Memory Type: ROMless
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.4 V ~ 1.6 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 256-BGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Section 19 Ethernet Controller Direct Memory Access Controller (E-DMAC)
19.2.12 Receiving Method Control Register (RMCR)
RMCR is a 32-bit readable/writable register that specifies the control method for the RE bit in
ECMR when a frame is received. This register must be set during the receiving-halt state.
Rev. 1.00 Dec. 27, 2005 Page 748 of 932
REJ09B0269-0100
Bit
31 to 1
0
Bit Name

RNC
Initial
Value
All 0
0
R/W
R
R/W
Description
Reserved
These bits are always read as 0. The write value
should always be 0.
Receive Enable Control
Sets whether to continue frame reception.
0: Upon completion of reception of one frame, the E-
1: Upon completion of reception of one frame, the E-
DMAC writes receive status to the descriptor and
clears the RR bit in EDRRR to 0
DMAC writes (writes back) receive status to the
descriptor. In addition, the E-DMAC reads the next
descriptor and prepares for the reception of the
next frame