HD64F2638F20J Renesas Electronics America, HD64F2638F20J Datasheet - Page 980
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
Quantity
Price
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Part Number:
HD64F2638F20J
Manufacturer:
PENESAS
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Section 23A Power-Down Modes
HD6432638F, HD64F2630F, HD6432630F, HD64F2635F, HD6432635F, HD6432634F]
23A.2 Register Descriptions
23A.2.1 Standby Control Register (SBYCR)
SBYCR is an 8-bit readable/writable register that performs power-down mode control.
SBYCR is initialized to H'58 by a reset and in hardware standby mode. It is not initialized in
software standby mode.
Bit 7—Software Standby (SSBY): When making a low power dissipation mode transition by
executing the SLEEP instruction, the operating mode is determined in combination with other
control bits.
Note that the value of the SSBY bit does not change even when shifting between modes using
interrupts.
Bit 7
SSBY
0
1
Bits 6 to 4—Standby Timer Select 2 to 0 (STS2 to STS0): These bits select the MCU wait time
for clock stabilization when shifting to high-speed mode or medium-speed mode by using a
specific interrupt or command to cancel software standby mode. With a quartz oscillator (Table
23A-5), select a wait time of 8ms (oscillation stabilization time) or more, depending on the
operating frequency. With an external clock, select a standby time of 2 ms or more (PLL oscillator
settling time), based on the operating frequency.
Page 930 of 1458
Bit
Initial value
R/W
Description
Shifts to sleep mode when the SLEEP instruction is executed in high-speed
mode or medium-speed mode.
Shifts to software standby mode when the SLEEP instruction is executed in high-
speed mode or medium-speed mode.
:
:
:
SSBY
R/W
7
0
[HD64F2636F, HD64F2638F, HD6432636F,
STS2
R/W
6
1
STS1
R/W
5
0
STS0
R/W
4
1
OPE
R/W
3
1
⎯
⎯
2
0
H8S/2639, H8S/2638, H8S/2636,
REJ09B0103-0800 Rev. 8.00
H8S/2630, H8S/2635 Group
⎯
⎯
1
0
(Initial value)
May 28, 2010
⎯
⎯
0
0
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