HD6417706F133 Renesas Electronics America, HD6417706F133 Datasheet - Page 224
HD6417706F133
Manufacturer Part Number
HD6417706F133
Description
IC SUPERH MPU ROMLESS 176LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.HD6417706F133V.pdf
(751 pages)
Specifications of HD6417706F133
Core Processor
SH-3
Core Size
32-Bit
Speed
133MHz
Connectivity
EBI/EMI, FIFO, SCI, SmartCard
Peripherals
DMA, POR, WDT
Number Of I /o
103
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.75 V ~ 2.05 V
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
176-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
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Section 8 Bus State Controller (BSC)
8.4.1
Bus control register 1 (BCR1) is a 16-bit read/write register that sets the functions and bus cycle
state for each area. It is initialized to H'0000 by a power-on reset, but is not initialized by a manual
reset or by standby mode. Do not access external memory outside area 0 until BCR1 register
initialization is complete.
Rev. 5.00 May 29, 2006 page 174 of 698
REJ09B0146-0500
Bit
15
14
13
12
11
Bit Name
PULA
PULD
HIZMEM
HIZCNT
ENDIAN
Bus Control Register 1 (BCR1)
Initial Value
0
0
0
0
0/1 *
1
R/W
R/W
R/W
R/W
R/W
R
Description
Pin A25 to A0 Pull-Up
Specifies whether or not pins A25 to A0 are pulled up
for 4 cycles immediately after BACK is asserted.
0: Not pulled up
1: Pulled up
Pin D31 to D0 Pull-Up
Specifies whether or not pins D31 to D0 are pulled up
when not in use.
0: Not pulled up
1: Pulled up
Hi-Z memory control
Specifies the state of A25 to 0, BS, CS, RD/WR,
WE/DQM, RD, CE2A, CE2B and DRAK0/1 in standby
mode.
0: High-impedance state in standby mode.
1: Driven in standby mode.
Hi-Z Control
Specifies the state of the RAS and the CAS signals at
standby and bus right release.
0: High-impedance state at standby and bus right
1: Driven at standby and bus right release.
Endian Flag
Samples the value of the external pin designating
endian upon a power-on reset. Endian for all physical
spaces is decided by this bit, which is read-only.
0: (On reset) Endian setting external pin (MD5) is low.
1: (On reset) Endian setting external pin (MD5) is high.
release.
Indicates the SH7706 is set as big endian.
Indicates the SH7706 is set as little endian.
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