HD64F2638F20J Renesas Electronics America, HD64F2638F20J Datasheet - Page 1008
HD64F2638F20J
Manufacturer Part Number
HD64F2638F20J
Description
IC H8S MCU FLASH 256K 128-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2638F20J
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI, SmartCard
Peripherals
Motor Control PWM, POR, PWM, WDT
Number Of I /o
72
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
128-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Manufacturer
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Part Number:
HD64F2638F20J
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Section 23B Power-Down Modes [HD64F2636UF, HD6432636UF, HD64F2638UF, HD6432638UF,
HD64F2638WF, HD6432638WF, HD64F2639UF, HD6432639UF, HD64F2639WF, HD6432639WF,
HD64F2630UF, HD6432630UF, HD64F2630WF, HD6432630WF, HD6432635F, HD64F2635F, HD6432634F]
Bit 6—Low-Speed ON Flag (LSON): When shifting to low power dissipation mode by executing
the SLEEP instruction, this bit specifies the operating mode, in combination with other control
bits. This bit also controls whether to shift to high-speed mode or subactive mode when watch
mode is cancelled.
Bit 6
LSON
0
1
Note: * Always set high-speed mode when shifting to watch mode or subactive mode.
Bit 5—Noise Elimination Sampling Frequency Select (NESEL): This bit selects the sampling
frequency of the subclock (φSUB) generated by the subclock oscillator is sampled by the clock (φ)
generated by the system clock oscillator. Set this bit to 0 when φ=5MHz or more. This setting is
disabled in subactive mode, subsleep mode, and watch mode.
Bit 5
NESEL
0
1
Bit 4—Subclock Enable (SUBSTP): This bit enables/disables subclock generation.
Bit 4
SUBSTP Description
0
1
Page 958 of 1458
Description
•
•
•
•
•
•
Description
Sampling using 1/32 × φ
Sampling using 1/4 × φ
Enables subclock generation
Disables subclock generation
When the SLEEP instruction is executed in high-speed mode or medium-speed
mode, operation shifts to sleep mode, software standby mode, or watch mode * .
When the SLEEP instruction is executed in subactive mode, operation shifts to watch
mode or shifts directly to high-speed mode.
Operation shifts to high-speed mode when watch mode is cancelled. (Initial value)
When the SLEEP instruction is executed in high-speed mode, operation shifts to
watch mode or subactive mode.
When the SLEEP instruction is executed in subactive mode, operation shifts to
subsleep mode or watch mode.
Operation shifts to subactive mode when watch mode is cancelled.
H8S/2639, H8S/2638, H8S/2636,
REJ09B0103-0800 Rev. 8.00
H8S/2630, H8S/2635 Group
(Initial value)
(Initial value)
May 28, 2010
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