DF2148BFA20 Renesas Electronics America, DF2148BFA20 Datasheet - Page 218
DF2148BFA20
Manufacturer Part Number
DF2148BFA20
Description
IC H8S MCU FLASH 128K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2100r
Specifications of DF2148BFA20
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IrDA, SCI, X-Bus
Peripherals
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)
4.5 V ~ 5.5 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2148BFA20
HD64F2148BFA20
HD64F2148BFA20
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Section 7 Data Transfer Controller (DTC)
Table 7.5
Mode
Normal
Repeat
Block transfer
N: Block size (initial setting of CRAH and CRAL)
Table 7.6
The number of execution states is calculated from using the formula below. Note that
of all transfers activated by one activation source (the number in which the CHNE bit is set to 1,
plus 1).
For example, when the DTC vector address table is located in on-chip ROM, normal mode is set,
and data is transferred from on-chip ROM to an internal I/O register, then the time required for the
DTC operation is 13 states. The time from activation to the end of data write is 10 states.
Rev. 3.00 Mar 21, 2006 page 162 of 788
REJ09B0300-0300
Bus width
Access states
Execution
status
Object to be Accessed
Number of execution states = I · S
Vector read
Register information
read/write
Byte data read
Word data read
Byte data write
Word data write
Internal operation S
DTC Execution Status
Number of States Required for Each Execution Status
Vector Read
I
1
1
1
S
S
S
S
S
S
I
J
K
K
L
L
M
Register Information
Read/Write
J
6
6
6
RAM
Chip
On-
32
—
1
1
1
1
1
1
I
+
ROM
Chip
On-
16
—
1
1
1
1
1
1
(J · S
On-Chip I/O
J
Registers
—
—
8
2
2
4
2
4
+ K · S
Data Read
K
1
1
N
16
K
—
—
2
2
2
2
2
+ L · S
1
—
L
2
4
2
4
2
4
) + M · S
Data Write
L
1
1
N
External Devices
8
6 + 2m
6 + 2m
6 + 2m
3 + m
3 + m
—
3
M
—
Internal
Operations
M
3
3
3
2
2
2
2
2
2
is the sum
16
3 + m
3 + m
3 + m
3 + m
3 + m
—
3
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