HD6417708SF60V Renesas Electronics America, HD6417708SF60V Datasheet - Page 190
HD6417708SF60V
Manufacturer Part Number
HD6417708SF60V
Description
IC SUPERH MPU ROMLESS 208LQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7700r
Datasheet
1.HD6417708SF60V.pdf
(635 pages)
Specifications of HD6417708SF60V
Core Processor
SH-2
Core Size
32-Bit
Speed
60MHz
Connectivity
EBI/EMI, SCI, SmartCard
Peripherals
POR, WDT
Number Of I /o
8
Program Memory Type
ROMless
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
208-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Ram Size
-
Program Memory Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6417708SF60V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
HD6417708SF60V
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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9.4
9.4.1
The frequency control register (FRQCR) is a 16-bit read/write register used to specify whether a
clock is output from the CKIO pin, the on/off state of PLL circuit 1, PLL standby, the frequency
multiplication ratio of PLL circuit 1, and the frequency division ratio of the internal clock and the
peripheral clock.
Only word access can be used on the FRQCR register. FRQCR is initialized to H'0102 by a
power-on reset, but retains its value in a manual reset and in standby mode.
SH7708, SH7708S:
Bit 8—Clock Enable (CKOEN): Used to output a clock from the CKIO pin or to fix the level of
the CKIO pin. Even when the level is fixed, the SH7708 Series will operate internally at the
frequency before the level was fixed. In case of clock operating mode 7, the CKIO pin becomes an
input pin irrespective of the value of this bit.
Bit 8: CKOEN
0
1
170
Initial value:
Initial value:
Bit name:
Bit name:
Register Descriptions
Frequency Control Register (FRQCR)
R/W:
R/W:
Bit:
Bit:
PLLEN
Description
Fixes the level of CKIO terminal.
Outputs a clock from the CKIO pin.
R/W
15
—
0
R
7
0
PSTBY
R/W
14
—
0
R
6
0
STC1
R/W
13
—
0
R
5
0
STC0
R/W
12
—
0
R
4
0
IFC1
R/W
11
—
0
R
3
0
IFC0
R/W
10
—
0
R
2
0
PFC1
R/W
—
9
0
R
1
1
(Initial value)
CKOEN
PFC0
R/W
R/W
8
1
0
0
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