HD6417760BL200AV Renesas Electronics America, HD6417760BL200AV Datasheet - Page 421

• Manufacturer Part Number: HD6417760BL200AV
• Description: SH4 7760, 17 X17 256BGA, LCDC, U
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7750r

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: -

Auto-refreshing is performed in normal operation, in sleep mode, and at a manual reset. Also,
if both areas 2 and 3 are set to the synchronous DRAM, auto-refreshing of area 2 is performed
after area 3.
H'00000000
RTCSR.CKS2–0
External bus
Refresh
request
RTCOR-1
CKIO
CSn
RD/WR
RAS
CASS
DQMn
D31−D0
BS
CKE
RTCNT value
Figure 10.28 Synchronous DRAM Auto-Refresh Timing
TRr1
Refresh request cleared
by start of refresh cycle
Figure 10.27 Auto-Refresh Operation
= 000
TRr2
TRr3
≠ 000
TRr4
TRrw
RTCNT cleared to 0 when
RTCNT = RTCOR
TRr5
Auto-refresh cycle
Rev. 2.00 Feb. 12, 2010 Page 337 of 1330
Trc
Trc
Trc
REJ09B0554-0200
Time