HD6417727BP100BV Renesas Electronics America, HD6417727BP100BV Datasheet - Page 553
HD6417727BP100BV
Manufacturer Part Number
HD6417727BP100BV
Description
IC SUPERH MPU ROMLESS 240BGA
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.HD6417727BP100CV.pdf
(1098 pages)
Specifications of HD6417727BP100BV
Core Processor
SH-3 DSP
Core Size
32-Bit
Speed
100MHz
Connectivity
FIFO, SCI, SIO, SmartCard, USB
Peripherals
DMA, LCD, POR, WDT
Number Of I /o
104
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.6 V ~ 2.05 V
Data Converters
A/D 6x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
240-BGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
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17.2.7
Note: * The only value that can be written is a 0 to clear the flag.
The serial status register (SCSSR) is an 8-bit register containing multiprocessor bit values, and
status flags that indicate SCI operating state.
The CPU can always read and write the SCSSR, but cannot write 1 in 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.
The SCSSR is initialized to H'84 by a reset or in standby and module standby modes.
Bit 7—Transmit Data Register Empty (TDRE): Indicates that the SCI has loaded transmit data
from the SCTDR into the SCTSR and new serial transmit data can be written in the SCTDR.
Bit 7: TDRE
0
1
Initial value:
Serial Status Register (SCSSR)
R/W:
Bit:
Description
SCTDR contains valid transmit data
[Clear condition]
When software reads TDRE after it has been set to 1, then writes 0 in TDRE or
data is written in SCTDR.
SCTDR does not contain valid transmit data
[Setting conditions]
1. When the chip is reset or enters standby mode
2. When the TE bit in the serial control register (SCSCR) is cleared to 0
3. When SCTDR contents are loaded into SCTSR, so new data can be written
R/(W)*
in SCTDR.
TDRE
7
1
R/(W)*
RDRF
6
0
R/(W)*
ORER
5
0
Section 17 Serial Communication Interface (SCI)
R/(W)*
FER
4
0
Rev.6.00 Mar. 27, 2009 Page 495 of 1036
R/(W)*
PER
3
0
TEND
R
2
1
REJ09B0254-0600
MPB
R
1
0
(Initial value)
MPBT
R/W
0
0
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