DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 396

• Manufacturer Part Number: DF2148ATE20
• Description: IC H8S MCU FLASH 128K 100-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2148ATE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: Host Interface, I²C, IrDA, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 74
• 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: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Other names: HD64F2148ATE20; HD64F2148ATE20

Section 12 8-Bit Timers
Bits 2 to 0—Clock Select 2 to 0 (CKS2 to CKS0): These bits select whether the clock input to
TCNT is an internal or external clock.
The input clock can be selected from either six or three clocks, all divided from the system clock
( ). The falling edge of the selected internal clock triggers the count.
When use of an external clock is selected, three types of count can be selected: at the rising edge,
the falling edge, and both rising and falling edges.
Some functions differ between channel 0 and channel 1, because of the cascading function.
Channel CKS2 CKS1 CKS0 ICKS1 ICKS0 Description
0
1
Rev. 4.00 Sep 27, 2006 page 350 of 1130
REJ09B0327-0400
Bit 2 Bit 1 Bit 0 Bit 1 Bit 0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
TCR
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
—
—
—
—
—
—
—
—
—
0
1
0
1
0
1
—
STCR
—
0
1
0
1
0
1
—
—
—
—
—
—
—
—
—
Clock input disabled
edge
edge
edge
edge
Counted on TCNT1 overflow signal *
Clock input disabled
edge
edge
edge
edge
Counted on TCNT0 compare-match A *
/8 internal clock source, counted on the falling edge
/2 internal clock source, counted on the falling edge
/64 internal clock source, counted on the falling
/32 internal clock source, counted on the falling
/1024 internal clock source, counted on the falling
/256 internal clock source, counted on the falling
/8 internal clock source, counted on the falling edge
/2 internal clock source, counted on the falling edge
/64 internal clock source, counted on the falling
/128 internal clock source, counted on the falling
/1024 internal clock source, counted on the falling
/2048 internal clock source, counted on the falling
(Initial value)
(Initial value)