HD6417712BPV Renesas Electronics America, HD6417712BPV Datasheet - Page 666
HD6417712BPV
Manufacturer Part Number
HD6417712BPV
Description
MPU 1.5/3.3V 0K PB-FREE 256-BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH Ethernetr
Datasheet
1.HD6417712BPV.pdf
(980 pages)
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
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6417712BPV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 17 Serial I/O with FIFO (SIOF)
• FIFO transmit request: TDREQ (transmit interrupt source)
• FIFO receive request: RDREQ (receive interrupt source)
The request conditions for FIFO transmit or receive can be specified individually. The request
conditions for the FIFO transmit and receive are specified by the TFWM2 to TFWM0 bits and
RFWM2 to RFWM0 bits in SIFCTR, respectively. Tables 17.8 and 17.9 summarize the conditions
specified by SIFCTR.
Table 17.8 Conditions to Issue Transmit Request
Table 17.9 Conditions to Issue Receive Request
The number of stages of the FIFO is always sixteen even if the data area or empty area exceeds the
above stage number. Accordingly, an overrun error or underrun error occurs if data area or empty
area exceeds sixteen FIFO stages. FIFO transmission or reception request is cancelled when the
above condition is not satisfied even if the FIFO is not empty or full.
Number of FIFOs: The number of FIFO stages used in transmission and reception is indicated by
the following register.
• Transmit FIFO: The number of empty FIFO stages are indicated by the TFUA4 to TFUA0 bits
Rev. 1.00 Dec. 27, 2005 Page 622 of 932
REJ09B0269-0100
TFWM2 to TFWM0
000
100
101
110
111
RFWM2 to RFWM0
000
100
101
110
111
in SIFCTR.
Number of
Requested Stages
1
4
8
12
16
Number of
Requested Stages
1
4
8
12
16
Receive Request
Valid data is 1 stage or more
Valid data is 4 stages or more
Valid data is 8 stages or more
Valid data is 12 stages or more
Valid data is 16 stages
Transmit Request
Empty area is 16 stages
Empty area is 12 stages or more
Empty area is 8 stages or more
Empty area is 4 stages or more
Empty area is 1 stage or more
Used Areas
Smallest
Largest
Used Areas
Smallest
Largest
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