HD64F3644DV Renesas Electronics America, HD64F3644DV Datasheet - Page 302

• Manufacturer Part Number: HD64F3644DV
• Description: IC H8/3644 MCU FLASH 64QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Lr

Specifications of HD64F3644DV

• 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: -40°C ~ 85°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 10 Serial Communication Interface
Bits 7 and 6 Operation Mode Select 1, 0 (SNC1, SNC0): Bits 7 and 6 select the operation
mode.
Bit 7: SNC1
0
1
Notes: 1. Pins SI
Bits 5 TAIL MARK Control (MRKON): Bit 5 controls TAIL MARK output after an 8- or 16-
bit data transfer.
Bit 5: MRKON
0
1
Bits 4 LATCH TAIL Select (LTCH): Bit 4 selects whether LATCH TAIL or HOLD TAIL is
output as TAIL MARK when bit MRKON is set to 1 (SSB mode).
Bit 4: LTCH
0
1
Bit 3 Clock Source Select (CKS3): Bit 3 selects the clock source and sets pin SCK
or output pin.
Bit 3: CKS3
0
1
Rev. 6.00 Sep 12, 2006 page 280 of 526
REJ09B0326-0600
2. Don’t set bits SNC1 and SNC0 to 11.
1
Bit 6: SNC0
0
1
0
1
Description
TAIL MARK is not output (synchronous mode)
TAIL MARK is output (SSB mode)
Description
HOLD TAIL is output
LATCH TAIL is output
Description
Clock source is prescaler S, and pin SCK
Clock source is external clock, and pin SCK
and SO
1
should be used as general input or output ports.
Description
8-bit synchronous transfer mode
16-bit synchronous transfer mode
Continuous clock output mode *
Reserved *
2
1
is output pin
1
is input pin
1
1
(initial value)
(initial value)
(initial value)
(initial value)
as an input