HD64F2623FA20J Renesas Electronics America, HD64F2623FA20J Datasheet - Page 714

• Manufacturer Part Number: HD64F2623FA20J
• Description: IC H8S MCU FLASH 256K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2600r

Specifications of HD64F2623FA20J

• Core Processor: H8S/2600
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: CAN, SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 12K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Section 20 Clock Pulse Generator
20.1.1
Figure 20.1 shows a block diagram of the clock pulse generator.
20.1.2
The clock pulse generator is controlled by SCKCR and LPWRCR. Table 20.1 shows the register
configuration.
Table 20.1 Clock Pulse Generator Register
Name
System clock control register
Low-power control register
Note:
Rev. 5.00 Jan 10, 2006 page 688 of 1042
REJ09B0275-0500
EXTAL
XTAL
OSC1
OSC2
Legend:
LPWRCR:
SCKCR:
Note: * Supported only in the H8S/2626 Group, not available in the H8S/2623 Group.
* Lower 16 bits of the address.
Block Diagram
Register Configuration
Low-power control register
System clock control register
oscillator *
Subclock
oscillator
System
clock
Figure 20.1 Block Diagram of Clock Pulse Generator
( 1, 2, 4)
PLL circuit
Waveform
LPWRCR
shaping
circuit*
WDT1 count clock
STC1, STC0
Abbreviation
SCKCR
LPWRCR
SUB
selection
circuit
Clock
System clock
to ø pin
R/W
R/W
R/W
clock divider
Medium-
speed
supporting modules
Internal clock to
H'00
Initial Value
H'00
/2 to
/32
selection
SCKCR
master
circuit
clock
Bus
Bus master clock
to CPU and DTC
SCK2 to SCK0
H'FDE6
Address *
H'FDEC