HD64F3644H Renesas Electronics America, HD64F3644H Datasheet - Page 479

• Manufacturer Part Number: HD64F3644H
• Description: IC H8 MCU FLASH 32K 64-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Lr

Specifications of HD64F3644H

• Core Processor: H8/300L
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI
• Peripherals: PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 64-QFP
• Package: 64PQFP
• Family Name: H8
• Maximum Speed: 8 MHz
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Number Of Programmable I/os: 45
• Interface Type: SCI
• On-chip Adc: 8-chx8-bit
• Number Of Timers: 4
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

SCR1—Serial control register 1
Bit
Initial value
Read/Write
Operation mode select
0
1
TAIL MARK control
0
1
0
1
0 TAIL MARK is not output (synchronous mode)
1 TAIL MARK is output (SSB mode)
SNC1
R/W
8-bit synchronous transfer mode
16-bit synchronous transfer mode
Continuous clock output mode
Reserved
7
0
LATCH TAIL select
0 HOLD TAIL is output
1 LATCH TAIL is output
Clock source select (CKS3)
0 Clock source is prescaler S, and pin SCK is output pin
1 Clock source is external clock, and pin SCK is input pin
SNC0
R/W
6
0
Clock select (CKS2 to CKS0)
CKS2 CKS1 CKS0
Bit 2
MRKON
0
1
R/W
5
0
Bit 1
0
1
0
1
LTCH
R/W
4
0
Bit 0
0
1
0
1
0
1
0
1
Rev. 6.00 Sep 12, 2006 page 457 of 526
Prescaler
Division
CKS3
R/W
/1024
/256
/64
/32
/16
/8
/4
/2
3
0
Appendix B Internal I/O Registers
H'FFA0
CKS2
R/W
204.8 µs
51.2 µs
12.8 µs
6.4 µs
3.2 µs
1.6 µs
0.8 µs
—
2
0
= 5 MHz
1
Serial Clock Cycle
1
Synchronous
CKS1
R/W
REJ09B0326-0600
1
0
409.6 µs
102.4 µs
25.6 µs
12.8 µs
6.4 µs
3.2 µs
1.6 µs
0.8 µs
= 2.5 MHz
CKS0
R/W
0
0
SCI1