DF36034GFPJV Renesas Electronics America, DF36034GFPJV Datasheet - Page 282
DF36034GFPJV
Manufacturer Part Number
DF36034GFPJV
Description
MCU 3/5V 32K J TEMP PB-FREE 64LQ
Manufacturer
Renesas Electronics America
Series
H8® H8/300H Tinyr
Specifications of DF36034GFPJV
Core Processor
H8/300H
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI, SSU
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
45
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Section 13 Watchdog Timer
13.2.2
TCWD is an 8-bit readable/writable up-counter. When TCWD overflows from H'FF to H'00, the
internal reset signal is generated and the WRST bit in TCSRWD is set to 1. TCWD is initialized to
H'00.
13.2.3
TMWD selects the input clock.
[Legend]
X: Don't care.
Rev. 4.00 Mar. 15, 2006 Page 248 of 556
REJ09B0026-0400
Bit
7
6 to 4
3
2
1
0
Bit Name
CKS7
CKS3
CKS2
CKS1
CKS0
Timer Counter WD (TCWD)
Timer Mode Register WD (TMWD)
Initial
Value
1
All 1
1
1
1
1
R/W
R/W
R/W
R/W
R/W
R/W
Description
Clock Select 7
Selects the subtimer internal oscillator.
CKS7 CKS3
Reserved
These bits are always read as 1.
Clock Select 3 to 0
Select the clock to be input to TCWD.
1000: Internal clock: counts on /64
1001: Internal clock: counts on /128
1010: Internal clock: counts on /256
1011: Internal clock: counts on /512
1100: Internal clock: counts on /1024
1101: Internal clock: counts on /2048
1110: Internal clock: counts on /4096
1111: Internal clock: counts on /8192
0XXX: WDT internal oscillator
For the internal oscillator overflow periods, see section
22, Electrical Characteristics.
0
X
1
1
1
0
: SBT internal oscillator
: WDT internal oscillator
: WDT internal oscillator
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