DF3048X16V Renesas Electronics America, DF3048X16V Datasheet - Page 465
![MCU 5V 128K,PB-FREE 100-TQFP](/photos/28/61/286123/100-tqfp__100-vqfp_sml.jpg)
DF3048X16V
Manufacturer Part Number
DF3048X16V
Description
MCU 5V 128K,PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3048X16V
Core Processor
H8/300H
Core Size
16-Bit
Speed
16MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
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-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:
DF3048X16V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
- Current page: 465 of 907
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12.1.4
Table 12.2 summarizes the WDT registers.
Table 12.2 WDT Registers
Write *
H'FFA8
H'FFAA
Notes: 1. Lower 16 bits of the address.
12.2
12.2.1
TCNT is an 8-bit readable and writable* up-counter.
When the TME bit is set to 1 in TCSR, TCNT starts counting pulses generated from an internal
clock source selected by bits CKS2 to CKS0 in TCSR. When the count overflows (changes from
H'FF to H'00), the OVF bit is set to 1 in TCSR. TCNT is initialized to H'00 by a reset and when
the TME bit is cleared to 0.
Note: * TCNT is write-protected by a password. For details see section 12.2.4, Notes on Register
Bit
Initial value
Read/Write
Address *
2
2. Write word data starting at this address.
3. Only 0 can be written in bit 7, to clear the flag.
Access.
Register Configuration
Register Descriptions
Timer Counter (TCNT)
Read
H'FFA8
H'FFA9
H'FFAB
1
R/W
7
0
Name
Timer control/status register
Timer counter
Reset control/status register
R/W
6
0
R/W
5
0
R/W
4
0
Rev. 7.00 Sep 21, 2005 page 439 of 878
R/W
3
0
Abbre-
viation
TCSR
TCNT
RSTCSR
R/W
Section 12 Watchdog Timer
2
0
R/W
R/(W) *
R/W
R/(W) *
R/W
REJ09B0259-0700
1
0
3
3
Initial
Value
H'18
H'00
H'3F
R/W
0
0
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