DF2148ATE20 Renesas Electronics America, DF2148ATE20 Datasheet - Page 1093

• 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

DACR—PWM (D/A) Control Register
Bit
Initial value
Read/Write
TEST
R/W
Test mode
0 PWM (D/A) in user state: normal operation
1 PWM (D/A) in test state: correct conversion results unobtainable
7
0
PWME
R/W
PWM enable
0 DACNT operates as a 14-bit up-counter
1 DACNT halts at H'0003
6
0
—
—
5
1
Output enable B
0 PWM (D/A) channel B output
1 PWM (D/A) channel B output
—
—
(PWX1 output pin) disabled
(PWX1 output pin) enabled
4
1
Output enable A
0 PWM (D/A) channel A output
1 PWM (D/A) channel A output
Rev. 4.00 Sep 27, 2006 page 1047 of 1130
OEB
Output select
R/W
H'FFA0
(PWX0 output pin) disabled
(PWX0 output pin) enabled
0 Direct PWM output
1 Inverted PWM output
3
0
Clock select
0 Operates at resolution (T) =
1 Operates at resolution (T) =
Appendix B Internal I/O Registers
system clock cycle time (t
system clock cycle time (t
OEA
R/W
2
0
R/W
OS
1
0
REJ09B0327-0400
CKS
R/W
0
0
cyc
cyc
PWMX
)
)
2