HD6417760BL200AV Renesas Electronics America, HD6417760BL200AV Datasheet - Page 142
HD6417760BL200AV
Manufacturer Part Number
HD6417760BL200AV
Description
SH4 7760, 17 X17 256BGA, LCDC, U
Manufacturer
Renesas Electronics America
Series
SuperH® SH7750r
Datasheet
1.D6417760BP200ADV.pdf
(1418 pages)
Specifications of HD6417760BL200AV
Core Processor
SH-4
Core Size
32-Bit
Speed
200MHz
Connectivity
Audio Codec, CAN, EBI/EMI, FIFO, I²C, MFI, MMC, SCI, Serial Sound, SIM, SPI, USB
Peripherals
DMA, LCD, POR, WDT
Number Of I /o
69
Program Memory Type
ROMless
Ram Size
48K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Data Converters
A/D 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
256-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
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Quantity
Price
Company:
Part Number:
HD6417760BL200AV
Manufacturer:
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Quantity:
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Part Number:
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Manufacturer:
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Table 3.3
Field Name
Cause
Enable
Flag
3.3.3
Information is transferred between the FPU and CPU via FPUL. FPUL is a 32-bit system register
that is accessed from the CPU side by means of LDS and STS instructions. For example, to
convert the integer stored in general register R1 to a single-precision floating-point number, the
processing flow is as follows:
Rev. 2.00 Feb. 12, 2010 Page 58 of 1330
REJ09B0554-0200
Bit
17 to 12 Cause
11 to 7
6 to 2
1
0
R1 → (LDS instruction) → FPUL → (single-precision FLOAT instruction) → FR1
Floating-Point Communication Register (FPUL)
Bit Name
Enable
Flag
RM1
RM0
FPU exception
cause field
FPU exception
enable field
FPU exception flag
field
Bit Allocation for FPU Exception Handling
Initial Value
All 0
All 0
All 0
0
1
FPU
Error (E)
Bit 17
None
None
R/W
R/W
R/W
R/W
R/W
R/W
Invalid
Operation (V)
Bit 16
Bit 11
Bit 6
Description
FPU Exception Cause Field
FPU Exception Enable Field
FPU Exception Flag Field
When an FPU exception occurs, the bits
corresponding to the FPU exception cause field and
FPU exception flag field are set to 1. Each time an
FPU operation instruction is executed, the FPU
exception cause field is cleared to 0. The FPU
exception flag field remains set to 1 until it is cleared
to 0 by software.
For bit allocations of each field, see table 3.3.
Rounding Mode
These bits select the rounding mode.
00: Round to Nearest
01: Round to Zero
10: Reserved
11: Reserved
Division
by Zero (Z)
Bit 15
Bit 10
Bit 5
Overflow
(O)
Bit 14
Bit 9
Bit 4
Underflow
(U)
Bit 13
Bit 8
Bit 3
Inexact
(I)
Bit 12
Bit 7
Bit 2
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