DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 1007
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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A.4
The tables in this section can be used to calculate the number of states required for instruction
execution by the H8S/2000 CPU. Table A.5 shows the number of instruction fetch, data
read/write, and other cycles occurring in each instruction, and table A.4 shows the number of
states required per cycle according to the bus size. The number of states required for execution of
an instruction can be calculated from these two tables as follows:
Examples of Calculation of Number of States Required for Execution
Examples: Advanced mode, stack located in external address space, on-chip supporting modules
accessed in two states with 8-bit bus width, external devices accessed in three states with one wait
state and 16-bit bus width.
1. BSET #0,@FFFFC7:8
2. JSR @@30
From table A.5,
From table A.4,
Number of states = 2
From table A.5,
From table A.4,
Number of states = 2
Number of states = I
I = L = 2 and J = K = M = N = 0
S
I = J = K = 2 and L = M = N = 0
S
Number of States Required for Execution
I
I
= 4 and S
= S
J
= S
K
= 4
L
= 2
4 + 2
4 + 2
S
I
+ J
2 = 12
4 + 2
S
J
+ K
4 = 24
S
K
+ L
Rev. 4.00 Sep 27, 2006 page 961 of 1130
S
L
+ M
S
M
+ N
Appendix A Instruction Set
S
N
REJ09B0327-0400
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