DF2345TE20 Renesas Electronics America, DF2345TE20 Datasheet - Page 642

• Manufacturer Part Number: DF2345TE20
• Description: MCU 5V 128K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of DF2345TE20

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 71
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 4.5 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: HD64F2345TE20; HD64F2345TE20

Section 18 Clock Pulse Generator
18.1.2
The clock pulse generator is controlled by SCKCR. Table 18.1 shows the register configuration.
Table 18.1 Clock Pulse Generator Register
Name
System clock control register
Note:
18.2
18.2.1
SCKCR is an 8-bit readable/writable register that performs clock output control and medium-
speed mode control.
SCKCR is initialized to H'00 by a reset and in hardware standby mode. It is not initialized in
software standby mode.
Bit 7— Clock Output Disable (PSTOP): Controls output.
Bit 7
PSTOP
0
1
Bit 6—Reserved: This bit can be read or written to, but only 0 should be written.
Bits 5 to 3—Reserved: Read-only bits, always read as 0.
Rev. 4.00 Feb 15, 2006 page 616 of 900
REJ09B0291-0400
Bit
Initial value
R/W
* Lower 16 bits of the address.
Register Configuration
Register Descriptions
System Clock Control Register (SCKCR)
Normal Operation
Fixed high
:
:
:
output (initial value)
PSTOP
R/W
7
0
R/W
—
6
0
Abbreviation
SCKCR
Sleep Mode
Fixed high
output
—
—
5
0
Description
—
—
4
0
R/W
R/W
Software
Standby Mode
Fixed high
Fixed high
—
—
3
0
H'00
Initial Value
SCK2
R/W
2
0
SCK1
Hardware
Standby Mode
High impedance
High impedance
R/W
1
0
H'FF3A
Address *
SCK0
R/W
0
0