DF36034GFPJV Renesas Electronics America, DF36034GFPJV Datasheet - Page 416
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 17 Subsystem Timer (Subtimer)
17.2.2
SBTDCNT is an 8-bit readable/writable down counter. When SBTDCNT underflows, an interrupt
request is issued and the SBTUF flag in SBTCTL is set to 1. SBTDCNT is initialized to H'FF.
17.2.3
ROPCR is an 8-bit readable/writable register. When the OSCEB bit in SBTCTL is set to 1,
SBTPS counts two system clock cycles from the first falling edge of the on-chip oscillator to the
third falling edge and then transfers the count value to ROPCR. After that, ROPCR configures the
division ratio of subclock. ROPCR is initialized to H'FF.
Rev. 4.00 Mar. 15, 2006 Page 382 of 556
REJ09B0026-0400
Bit
2
1
0
Bit Name
SYSCKS
SBTIB
SBTUF
Subtimer Counter (SBTDCNT)
Ring Oscillator Prescaler Setting Register (ROPCR)
Initial
Value
0
0
0
R/W
R/W
R/W
R/W
Description
Subclock Supply Enable
Enables or disables clock supply to the entire chip when
the on-chip oscillator for the subtimer is used.
0: Clock supply is disabled.
1: Clock supply is enabled.
Subtimer Interrupt Request Enable
When this bit is set to 1, an interrupt request caused by
the SBTUF flag is enabled.
Underflow Interrupt Flag
[Setting condition]
When the SBTDCNT value underflows
[Clearing condition]
When 0 is written to this bit after reading 1
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