HD64F3642AH Renesas Electronics America, HD64F3642AH Datasheet - Page 118
HD64F3642AH
Manufacturer Part Number
HD64F3642AH
Description
IC H8 MCU FLASH 16K 64QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD64F3644HV.pdf
(551 pages)
Specifications of HD64F3642AH
Core Processor
H8/300L
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
PWM, WDT
Number Of I /o
53
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Section 5 Power-Down Modes
5.3.3
Bits STS2 to STS0 in SYSCR1 should be set as follows.
Table 5.4
STS2
0
0
0
0
1
Legend: * Don’t care
5.4
5.4.1
The system goes from active or subactive mode to watch mode when a SLEEP instruction is
executed while the SSBY bit in SYSCR1 is set to 1 and bit TMA3 in TMA is set to 1.
In watch mode, operation of on-chip peripheral modules other than timer A is halted. As long as a
minimum required voltage is applied, the contents of CPU registers, the on-chip RAM and some
registers of the on-chip peripheral modules, are retained. I/O ports keep the same states as before
the transition.
Rev. 6.00 Sep 12, 2006 page 96 of 526
REJ09B0326-0600
When a crystal oscillator is used
The table 5.4 gives settings for various operating frequencies. Set bits STS2 to STS0 for a
waiting time of at least 10 ms.
When an external clock is used
Any values may be set. Normally the minimum time (STS2 = STS1 = STS0 = 0) should be set.
Oscillator Settling Time after Standby Mode Is Cleared
Transition to Watch Mode
Watch Mode
STS1
0
0
1
1
*
Clock Frequency and Settling Time (times are in ms)
0
1
0
1
*
STS0
8,192 states
16,384 states
32,768 states
65,536 states
131,072 states
Waiting Time
1.6
3.2
6.6
13.1
26.2
5 MHz
2.0
4.1
8.2
16.4
32.8
4 MHz
2 MHz
4.1
8.2
16.4
32.8
65.5
1 MHz
8.2
16.4
32.8
65.5
131.1
0.5 MHz
16.4
32.8
65.5
131.1
262.1
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