D6417729RHF200BV Renesas Electronics America, D6417729RHF200BV Datasheet - Page 195

• Manufacturer Part Number: D6417729RHF200BV
• Description: IC SUPER H MPU ROMLESS 208QFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7700r

Specifications of D6417729RHF200BV

• Core Processor: SH-3 DSP
• Core Size: 32-Bit
• Speed: 200MHz
• Connectivity: EBI/EMI, FIFO, IrDA, SCI, SmartCard
• Peripherals: DMA, POR, WDT
• Number Of I /o: 96
• Program Memory Type: ROMless
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.85 V ~ 2.15 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 208-QFP Exposed Pad, 208-eQFP, 208-HQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Whenever CCR2 bit 8 (W3LOCK) or bit 0 (W2LOCK) is high the cache is locked. The locked
data will not be overwritten unless the W3LOCK bit and W2LOCK bit are reset or the PREF
condition in DSP mode matches. In cache locking mode, the LRU values in table 5.2 will be
replaced by those in tables 5.4 to 5.6.
Table 5.4
LRU (5–0)
000000, 000001, 000100, 010100, 100000, 100001, 110000, 110100
000011, 000110, 000111, 001011, 001111, 010110, 011110, 011111
101001, 101011, 111000, 111001, 111011, 111100, 111110, 111111
Table 5.5
LRU (5–0)
000000, 000001, 000011, 001011, 100000, 100001, 101001, 101011
000100, 000110, 000111, 001111, 010100, 010110, 011110, 011111
110000, 110100, 111000, 111001, 111011, 111100, 111110, 111111
W2LOCK: Way 2 lock bit. W2LOAD: Way 2 load bit.
When W2LOCK = 1 & W2LOAD = 1 & DSP = 1, the prefetched data will always be loaded
into way 2. In all other conditions the prefetched data will be loaded into the way pointed to
by LRU.
W3LOCK: Way 3 lock bit. W3LOAD: Way 3 load bit.
When W3LOCK = 1 & W3LOAD = 1 & DSP = 1, the prefetched data will always be loaded
into way 3. In all other conditions the prefetched data will be loaded into the way pointed to
by LRU.
Note: W2LOAD and W3LOAD should not be set high at the same time.
31
LRU and Way Replacement (when W2LOCK=1)
LRU and Way Replacement (when W3LOCK=1)
Figure 5.3 CCR2 Register Configuration
LOAD
W3
9
LOCK
W3
8
7
Rev. 5.0, 09/03, page 147 of 806
Way to be Replaced
3
1
0
Way to be Replaced
2
1
0
2
LOAD
W2
1
LOCK
W2
0