DF2148RTE20IV Renesas Electronics America, DF2148RTE20IV Datasheet - Page 457

• Manufacturer Part Number: DF2148RTE20IV
• Description: MCU 5V 128K I-TEMP,PB-FREE, 100-
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2100r

Specifications of DF2148RTE20IV

• 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: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

TCNT is initialized to H'00 by a reset, in hardware standby mode, or when the TME bit is cleared
to 0. It is not initialized in software standby mode.
Note: * TCNT is write-protected by a password to prevent accidental overwriting. For details
14.2.2
TCSR is an 8-bit readable/writable * register. Its functions include selecting the clock source to be
input to TCNT, and the timer mode.
TCR is initialized to H'00 by a reset and in hardware standby mode. It is not initialized in software
standby mode.
Note: * TCSR is write-protected by a password to prevent accidental overwriting. For details
Bit
Initial value
Read/Write
Note: * Only 0 can be written, to clear the flag.
Bit
Initial value
Read/Write
Note: * Only 0 can be written, to clear the flag.
TCSR0
TCSR1
Timer Control/Status Register (TCSR)
see section 14.2.4, Notes on Register Access.
see section 14.2.4, Notes on Register Access.
R/(W) *
R/(W) *
OVF
OVF
7
0
7
0
WT/IT
WT/IT
R/W
R/W
6
0
6
0
TME
TME
R/W
R/W
5
0
5
0
RSTS
PSS
R/W
R/W
4
0
4
0
Rev. 4.00 Sep 27, 2006 page 411 of 1130
RST/NMI
RST/NMI
R/W
R/W
3
0
3
0
Section 14 Watchdog Timer (WDT)
CKS2
CKS2
R/W
R/W
2
0
2
0
CKS1
CKS1
R/W
R/W
REJ09B0327-0400
1
0
1
0
CKS0
CKS0
R/W
R/W
0
0
0
0