D6417709SF167BV Renesas Electronics America, D6417709SF167BV Datasheet - Page 486
D6417709SF167BV
Manufacturer Part Number
D6417709SF167BV
Description
IC SUPER H MPU ROMLESS 208LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.D6417709SBP167BV.pdf
(809 pages)
Specifications of D6417709SF167BV
Core Processor
SH-3
Core Size
32-Bit
Speed
167MHz
Connectivity
EBI/EMI, FIFO, IrDA, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
96
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.75 V ~ 2.05 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
208-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
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Manufacturer
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Part Number:
D6417709SF167BV
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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14.2.7
The serial status register (SCSSR) is an 8-bit register containing multiprocessor bit values, and
status flags that indicate the SCI operating state.
The CPU can always read and write to SCSSR, but cannot write 1 to the status flags (TDRE,
RDRF, ORER, PER, and FER). These flags can be cleared to 0 only if they have first been read
(after being set to 1). Bits 2 (TEND) and 1 (MPB) are read-only bits that cannot be written.
SCSSR is initialized to H'84 by a reset and in standby or module standby mode.
Note: * The only value that can be written is 0 to clear the flag.
Bit 7—Transmit Data Register Empty (TDRE): Indicates that the SCI has loaded transmit data
from SCTDR into SCTSR and new serial transmit data can be written in SCTDR.
Bit 7: TDRE
0
1
Rev. 5.00, 09/03, page 440 of 760
Initial value:
Serial Status Register (SCSSR)
R/W:
Bit:
Description
SCTDR contains valid transmit data
[Clearing condition]
TDRE is cleared to 0 when software reads TDRE after it has been set to 1.
SCTDR does not contain valid transmit data
[Setting conditions]
(1) TDRE is set to 1 when the chip is reset or enters standby mode.
(2) The TE bit in the serial control register (SCSCR) is cleared to 0.
(3) SCTDR contents are loaded into SCTSR, so new data can be written in
R/(W) *
SCTDR.
TDRE
7
1
R/(W) *
RDRF
6
0
R/(W) *
ORER
5
0
R/(W) *
FER
4
0
R/(W) *
PER
3
0
TEND
R
2
1
MPB
R
1
0
(Initial value)
MPBT
R/W
0
0
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