D13002F16V Renesas Electronics America, D13002F16V Datasheet - Page 504
D13002F16V
Manufacturer Part Number
D13002F16V
Description
IC H8/3002 ROMLESS 100QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Datasheet
1.D13002F16V.pdf
(702 pages)
Specifications of D13002F16V
Core Processor
H8/300H
Core Size
16-Bit
Speed
16MHz
Connectivity
SCI
Peripherals
DMA, PWM, WDT
Number Of I /o
38
Program Memory Type
ROMless
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
D13002F16V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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14.3 CPU Interface
ADDRA to ADDRD are 16-bit registers, but they are connected to the CPU by an 8-bit data bus.
Therefore, although the upper byte can be be accessed directly by the CPU, the lower byte is read
through an 8-bit temporary register (TEMP).
An A/D data register is read as follows. When the upper byte is read, the upper-byte value is
transferred directly to the CPU and the lower-byte value is transferred into TEMP. Next, when the
lower byte is read, the TEMP contents are transferred to the CPU.
When reading an A/D data register, always read the upper byte before the lower byte. It is possible
to read only the upper byte, but if only the lower byte is read, incorrect data may be obtained.
Figure 14-2 shows the data flow for access to an A/D data register.
Upper-byte read
Lower-byte read
Figure 14-2 A/D Data Register Access Operation (Reading H'AA40)
CPU
(H'AA)
CPU
(H'40)
Bus interface
Bus interface
ADDRnH
ADDRnH
(H'AA)
(H'AA)
488
ADDRnL
ADDRnL
(H'40)
(H'40)
TEMP
TEMP
(H'40)
(H'40)
Module data bus
Module data bus
(n = A to D)
(n = A to D)
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