DF3052BX25V Renesas Electronics America, DF3052BX25V Datasheet - Page 367
DF3052BX25V
Manufacturer Part Number
DF3052BX25V
Description
MCU 5V 512K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3052BX25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
70
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
8K 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-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF3052BX25V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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10.3
10.3.1
The timer counters (TCNTs), general registers A and B (GRAs and GRBs), and buffer registers A
and B (BRAs and BRBs) are 16-bit registers, and are linked to the CPU by an internal 16-bit data
bus. These registers can be written or read a word at a time, or a byte at a time.
Figures 10.6 and 10.7 show examples of word access to a timer counter (TCNT). Figures 10.8,
10.9, 10.10, and 10.11 show examples of byte access to TCNTH and TCNTL.
CPU
CPU
On-chip data bus
On-chip data bus
CPU Interface
16-Bit Accessible Registers
H
L
H
L
Figure 10.6 Access to Timer Counter (CPU Writes to TCNT, Word)
Figure 10.7 Access to Timer Counter (CPU Reads TCNT, Word)
Bus interface
Bus interface
Section 10 16-Bit Integrated Timer Unit (ITU)
Rev. 3.00 Mar 21, 2006 page 337 of 814
TCNTH
TCNTH
TCNTL
TCNTL
REJ09B0302-0300
H
L
H
L
Module
data bus
Module
data bus
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