DF2134AFA20V Renesas Electronics America, DF2134AFA20V Datasheet - Page 733

• Manufacturer Part Number: DF2134AFA20V
• Description: IC H8S/2100 MCU FLASH 80QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2134AFA20V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: IrDA, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 58
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 80-QFP
• For Use With: 3DK2166 - DEV EVAL KIT H8S/2166
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

23.4
When the oscillator frequency is 5 MHz or higher, the duty adjustment circuit adjusts the duty
cycle of the clock signal from the oscillator to generate the system clock ( ).
23.5
The medium-speed clock divider divides the system clock to generate /2, /4, /8, /16, and /32
clocks.
23.6
The bus master clock selection circuit selects the system clock ( ) or one of the medium-speed
clocks ( /2, /4, /8, /16, or /32) to be supplied to the bus master, according to the settings of
bits SCK2 to SCK0 in SBYCR.
23.7
The subclock input circuit controls the subclock input from the EXCL pin.
Inputting the Subclock: When a subclock is used, a 32.768-kHz external clock should be input
from the EXCL pin. In this case, clear bit P96DDR to 0 in P9DDR and set bit EXCLE to 1 in
LPWRCR.
The subclock input conditions are shown in table 23.6 and figure 23.8.
Table 23.6 Subclock Input Conditions
Item
Subclock input low
pulse width
Subclock input high
pulse width
Subclock input rise time
Subclock input fall time
Duty Adjustment Circuit
Medium-Speed Clock Divider
Bus Master Clock Selection Circuit
Subclock Input Circuit
Symbol
t
t
t
t
EXCLL
EXCLH
EXCLr
EXCLf
Min
—
—
—
—
V
CC
= 2.7 to 5.5 V
Typ
15.26
15.26
—
—
Rev. 4.00 Jun 06, 2006 page 677 of 1004
Max
—
—
10
10
Section 23 Clock Pulse Generator
Unit
µs
µs
ns
ns
Test Conditions
Figure 23.8
REJ09B0301-0400