D6417709SF167BV Renesas Electronics America, D6417709SF167BV Datasheet - Page 110

• Manufacturer Part Number: D6417709SF167BV
• Description: IC SUPER H MPU ROMLESS 208LQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

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: -

Rev. 5.00, 09/03, page 64 of 760
Legend:
VPN (31–17) VPN (11–10) ASID
ASID: Address space identifier. Indicates the process that can access a virtual page. In single
VPN: Virtual page number. Top 22 bits of virtual address for a 1-kbyte page, or top 20 bits of
PPN: Physical page number. Top 29 bits of physical address. PPN bits 11-10 are not used in case
PR: Set the most significant bit to 0.
SH: Share status bit
SZ: Page-size bit
(15)
V: Valid bit. Indicates whether entry is valid.
C: Cacheable bit. Indicates whether the page is cacheable.
D: Dirty bit. Indicates whether the page has been written to.
virtual address for a 4-kbyte page. Since VPN bits 16-12 are used as the index number, they
are not stored in the TLB entry.
virtual memory mode and user mode, or in multiple virtual memory mode, if the SH bit is 0,
the address is compared with the ASID in PTEH when address comparison is performed.
0 = Page not shared between processes
1 = Page shared between processes
0 = 1-kbyte page
1 = 4-kbyte page
0 = Invalid
1 = Valid
Cleared to 0 by a power-on reset. Not affected by a manual reset.
of a 4-kbyte page. Attention must be paid to the synonym problem in case of a 1-kbyte page
(see section 3.4.4, Avoiding Synonym Problems).
Protection key field. 2-bit field encoded to define the access rights to the page.
00: Reading only is possible in privileged mode.
01: Reading/writing is possible in privileged mode.
10: Reading only is possible in privileged/user mode.
11: Reading/writing is possible in privileged/user mode.
0: Non-cacheable
1: Cacheable
0 = Not written to
1 = Written to
31
31
Figure 3.5 Virtual Address and TLB Structure
(2)
Virtual address (1-kbyte page)
Virtual address (4-kbyte page)
VPN
(8)
VPN
(1)
V
TLB entry
12
10
11
PPN
(19)
9
Offset
Offset
PR
(2)
0
0
(1) (1)
SZ
C
(1)
SH
(1)
D