HD6417720BP133BV Renesas Electronics America, HD6417720BP133BV Datasheet - Page 1113
HD6417720BP133BV
Manufacturer Part Number
HD6417720BP133BV
Description
SH3-DSP, WITH USB AND LCDC, PB-F
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.R8A77210C133BAV.pdf
(1478 pages)
Specifications of HD6417720BP133BV
Core Processor
SH-3 DSP
Core Size
32-Bit
Speed
133MHz
Connectivity
FIFO, I²C, IrDA, MMC, SCI, SD, SIO, SIM, USB
Peripherals
DMA, LCD, POR, WDT
Number Of I /o
117
Program Memory Type
ROMless
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
1.4 V ~ 1.6 V
Data Converters
A/D 4x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
256-BGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
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SH7720 Group, SH7721 Group
31.3.15 Transfer Clock Control Register (CLKON)
CLKON controls the transfer clock frequency and clock on/off.
The 33-MHz peripheral clock is needed, and bits CSEL3 to CSEL0 should be set to 0001 for a
16.5-Mbps transfer clock of the MMCIF. At this time, transfer should be performed by sufficiently
slow transfer clock in the open drain state.
In the command sequence, do not perform clock on/off or frequency modification.
Note: The maximum operating frequency of the peripheral clock is 33.34 MHz.
R01UH0083EJ0400 Rev. 4.00
Sep 21, 2010
Bit
7
6 to 4
3
2
1
0
Bit Name
CLKON
—
CSEL3
CSEL2
CSEL1
CSEL0
Initial
Value
0
All 0
0
0
0
0
R/W
R/W
R
R/W
R/W
R/W
R/W
Description
Clock On
0: Stops the transfer clock output from the CLK/SCLK
1: Outputs the transfer clock from the CLK/SCLK pin.
Reserved
These bits are always read as 0. The write value should
always be 0.
Transfer Clock Frequency Select
0000: Setting prohibited
0001: Uses the 1/2-divided peripheral clock as a transfer
0010: Uses the 1/4-divided peripheral clock as a transfer
0011: Uses the 1/8-divided peripheral clock as a transfer
0100: Uses the 1/16-divided peripheral clock as a
0101: Uses the 1/32-divided peripheral clock as a
0110: Uses the 1/64-divided peripheral clock as a
0111: Uses the 1/128-divided peripheral clock as a
1000: Uses the 1/256-divided peripheral clock as a
1001 to 1111: Setting prohibited
pin.
clock.
clock.
clock.
transfer clock.
transfer clock.
transfer clock.
transfer clock.
transfer clock.
Section 31 MultiMediaCard Interface (MMCIF)
Page 1053 of 1414
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