DF2505FC26V Renesas Electronics America, DF2505FC26V Datasheet - Page 826
DF2505FC26V
Manufacturer Part Number
DF2505FC26V
Description
IC H8S/2505 MCU FLASH 144QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2500r
Specifications of DF2505FC26V
Core Processor
H8S/2000
Core Size
16-Bit
Speed
26MHz
Connectivity
I²C, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
104
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
- Current page: 826 of 980
- Download datasheet (6Mb)
Section 21 Clock Pulse Generator
Rev. 6.00 Sep. 24, 2009 Page 778 of 928
REJ09B0099-0600
Bit
6
5
4
3
2
Bit Name
LSON
NESEL
SUBSTP
RFCUT
⎯
0
0
Initial
Value
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
On-Chip Feedback Resistor Control
Reserved
Description
Low-Speed On Flag
0: When the SLEEP instruction is executed in high-speed
1: Setting prohibited
Noise Elimination Sampling Frequency Select
Selects the frequency of which the subclock (φ
generated by the subclock oscillator is sampled by the
clock (φ) generated by the system clock oscillator.
0: Sampling using φ/32
1: Setting prohibited
Subclock Oscillator Control
Enables/disables a subclock oscillator. This bit should be
set to 1 when a subclock is not used.
0: Enables subclock oscillator
1: Disables subclock oscillator
Selects whether or not on-chip feedback resistor of the
system clock generator is used when an external clock is
input. Do not access when the crystal resonator is used.
After setting this bit in the external clock input state, enter
software standby mode or watch mode. When software
standby mode or watch mode is entered, this bit switches
whether or not on-chip feedback resistor is used.
0: On-chip feedback resistor of the system clock generator
1: On-chip feedback resistor of the system clock generator
This is a readable/writable bit, but the write value should
always be 0.
mode or medium-speed mode, operation shifts to sleep
mode, software standby mode, or watch mode*.
used
not used
SUB
)
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