HD6417727BP100BV Renesas Electronics America, HD6417727BP100BV Datasheet - Page 220
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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Section 6 X/Y Memory
6.2
The X/Y memory can be located in either map-enabled area or fixed-mapped area, depending on
the mode bit (MD) and DSP bit (DSP) setting in the status register (SR). Figure 6.1 shows X/Y
memory logical mapping.
1. Privileged Mode
2. User Mode
3. Privileged-DSP Mode
4. User-DSP Mode
It is recommended that for the mappable area, the C (cacheable) bit in the TLB entry must be set
to 0 to guarantee a two-cycle access.
Mapping through TLB translation provides a flexible X/Y memory addressing scheme but takes
two cycles even when the C bit in the TLB entry is cleared to 0. Fixed mapping provides a one-
cycle access for read and two-cycle access for write, which is the appropriate method for mission-
critical realtime operations.
Rev.6.00 Mar. 27, 2009 Page 162 of 1036
REJ09B0254-0600
MD = 1, DSP = 0; Any physical address in space P0 or P3 can map to X/Y memory through
TLB translation. Addresses ranging from H'A500 0000 to H'A5FF FFFF in the P2 space can
also fixed map to X/Y memory. Since the DSP extension is disabled, the DSP instruction set
and registers are not available to the programmer.
MD = 0, DSP = 0; Any physical address in the U0 space can access X/Y memory through TLB
translation. Any access to addresses beyond the U0 space will cause an address error. Since the
DSP extension is disabled, the DSP instruction set and registers are not available to the
programmer.
MD = 1, DSP = 1; Any physical address in space P0 or P3 can map to X/Y memory through
TLB translation. Addresses ranging from H'A500 0000 to H'A5FF FFFF in the P2 space can
also fixed-map to X/Y memory. Since the DSP extension is enabled, the DSP instruction set
and registers are available to the programmer.
MD = 0, DSP = 1; Any physical address in space U0 can map to X/Y memory through TLB
translation. Addresses ranging from H'A500 0000 to H'A5FF FFFF in the Uxy spaces can also
fixed map to X/Y memory. Any access to outside of U0 and Uxy space will cause an address
error. Since the DSP extension is enabled, the DSP instruction set and registers are available to
the programmer.
X/Y Memory Access from the CPU
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