HD64F2636UF20 Renesas Electronics America, HD64F2636UF20 Datasheet - Page 965
HD64F2636UF20
Manufacturer Part Number
HD64F2636UF20
Description
IC H8S MCU FLASH 128K 128QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2636UF20
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI, SmartCard
Peripherals
Motor Control PWM, POR, PWM, WDT
Number Of I /o
72
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 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
128-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
22B.1 Overview
The chip has a built-in clock pulse generator (CPG) that generates the system clock (φ), the bus
master clock, and internal clocks.
The clock pulse generator consists of an oscillator, PLL (phase-locked loop) circuit, system clock
selection circuit, medium-speed clock divider, bus master clock selection circuit, and subclock
divider. The frequency can be changed by means of the PLL circuit in the CPG. Frequency
changes are performed by software by means of settings in the system clock control register
(SCKCR) and low-power control register (LPWRCR).
22B.1.1 Block Diagram
Figure 22B-1 shows a block diagram of the clock pulse generator.
REJ09B0103-0800 Rev. 8.00
May 28, 2010
EXTAL
XTAL
Legend:
LPWRCR:
SCKCR:
Low-power control register
System clock control register
divider (1/128)
oscillator
Clock
Subclock
Figure 22B-1 Block Diagram of Clock Pulse Generator
(H8S/2639 Group, H8S/2635 Group)
Section 22B Clock Pulse Generator
(×1, ×2, ×4)
PLL circuit
LPWRCR
WDT1 count clock
STC1, STC0
φSUB
selection
System
circuit
clock
System clock
to φ pin
clock divider
Medium-
speed
supporting modules
Internal clock to
Section 22B Clock Pulse Generator
(H8S/2639 Group, H8S/2635 Group)
φ/2 to
φ/32
φ
selection
SCKCR
master
circuit
clock
Bus
Bus master clock
to CPU and DTC
SCK2 to SCK0
Page 915 of 1458
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