DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 191
DF2148RTE20IV
Manufacturer Part Number
DF2148RTE20IV
Description
MCU 5V 128K I-TEMP,PB-FREE, 100-
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148RTE20IV
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
Host Interface, I²C, IrDA, SCI
Peripherals
POR, PWM, WDT
Number Of I /o
74
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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5.5.5
This LSI are capable of fast word access to on-chip memory, and high-speed processing can be
achieved by providing the program area in on-chip ROM and the stack area in on-chip RAM.
Table 5.8 shows interrupt response times—the interval between generation of an interrupt request
and execution of the first instruction in the interrupt handling routine. The symbols used in table
5.8 are explained in table 5.9.
Table 5.8
Notes: 1. Two states in case of internal interrupt.
Table 5.9
Legend:
m: Number of wait states in an external device access
No.
1
2
3
4
5
6
Total (using on-chip memory)
Instruction fetch
Branch address read
Stack manipulation
Item
Interrupt priority determination *
Number of wait states until executing
instruction ends *
PC, CCR stack save
Vector fetch
Instruction fetch *
Internal processing *
2. Refers to MULXS and DIVXS instructions.
3. Prefetch after interrupt acceptance and interrupt handling routine prefetch.
4. Internal processing after interrupt acceptance and internal processing after vector fetch.
Interrupt Response Times
Interrupt Response Times
Number of States in Interrupt Handling Routine Execution
2
3
Symbol
S
S
S
I
J
K
4
Internal
Memory
1
1
2-State
Access
4
Normal Mode
3
1 to 19+2
2
S
2
2
11 to 31
·
·
I
S
S
K
I
8-Bit Bus
Rev. 4.00 Sep 27, 2006 page 145 of 1130
·
3-State
Access
6+2m
S
I
Object of Access
External Device
Number of States
Section 5 Interrupt Controller
2-State
Access
2
Advanced Mode
3
1 to 19+2
2
2
2
2
12 to 32
·
·
·
S
S
S
K
I
I
REJ09B0327-0400
16-Bit Bus
·
S
I
3-State
Access
3+m
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