HD64F3644H Renesas Electronics America, HD64F3644H Datasheet - Page 301

• 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: -

Pin Configuration
Table 10.2 shows the SCI1 pin configuration.
Table 10.2 Pin Configuration
Name
SCI1 clock pin
SCI1 data input pin
SCI1 data output pin
Register Configuration
Table 10.3 shows the SCI1 register configuration.
Table 10.3 SCI1 Registers
Name
Serial control register 1
Serial control status register 1
Serial data register U
Serial data register L
10.2.2
Serial Control Register 1 (SCR1)
SCR1 is an 8-bit read/write register for selecting the operation mode, the transfer clock source,
and the prescaler division ratio.
Upon reset, SCR1 is initialized to H'00. Writing to this register during a transfer stops the transfer.
Bit
Initial value
Read/Write
Register Descriptions
SNC1
R/W
7
0
SNC0
R/W
0
6
Abbr.
SCK
SI
SO
Abbr.
SCR1
SCSR1
SDRU
SDRL
1
1
MRKON
1
R/W
0
5
LTCH
I/O
I/O
Input
Output
R/W
R/W
R/W
R/W
R/W
R/W
4
0
Section 10 Serial Communication Interface
Rev. 6.00 Sep 12, 2006 page 279 of 526
CKS3
R/W
Function
SCI1 clock input or output
SCI1 receive data input
SCI1 transmit data output
Initial Value
H'00
H'9C
Undefined
Undefined
3
0
CKS2
R/W
2
0
REJ09B0326-0600
CKS1
R/W
Address
H'FFA0
H'FFA1
H'FFA2
H'FFA3
1
0
CKS0
R/W
0
0