HD64F2638F20J Renesas Electronics America, HD64F2638F20J Datasheet - Page 149
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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H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
4.2.4
After reset release, MSTPCRA to MSTPCRD are initialized to H'3F, H'FF, H'FF, and
B'11******
Consequently, on-chip supporting module registers cannot be read or written to. Register reading
and writing is enabled when module stop mode is exited.
Note: 1. The value of bits 5 to 0 is undefined.
4.3
Traces are enabled in interrupt control mode 2. Trace mode is not activated in interrupt control
mode 0, irrespective of the state of the T bit. For details of interrupt control modes, see section 5,
Interrupt Controller.
If the T bit in EXR is set to 1, trace mode is activated. In trace mode, a trace exception occurs on
completion of each instruction.
Trace mode is canceled by clearing the T bit in EXR to 0. It is not affected by interrupt masking.
Table 4-3 shows the state of CCR and EXR after execution of trace exception handling.
Interrupts are accepted even within the trace exception handling routine.
The T bit saved on the stack retains its value of 1, and when control is returned from the trace
exception handling routine by the RTE instruction, trace mode resumes.
Trace exception handling is not carried out after execution of the RTE instruction.
Table 4-3
Legend:
1: Set to 1
0: Cleared to 0
—: Retains value prior to execution.
REJ09B0103-0800 Rev. 8.00
May 28, 2010
Interrupt Control Mode
Traces
State of On-Chip Supporting Modules after Reset Release
*1
Status of CCR and EXR after Trace Exception Handling
, respectively, and all modules except the DTC, enter module stop mode.
0
2
1
I
Trace exception handling cannot be used.
CCR
UI
—
I2 to I0
—
Section 4 Exception Handling
EXR
Page 99 of 1458
T
0
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