HD64F3644HV Renesas Electronics America, HD64F3644HV Datasheet - Page 318
HD64F3644HV
Manufacturer Part Number
HD64F3644HV
Description
IC H8/3644 MCU FLASH 32K 64QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD64F3644HV.pdf
(551 pages)
Specifications of HD64F3644HV
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
Lead free / RoHS Compliant
Eeprom Size
-
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Section 10 Serial Communication Interface
Bit 3 Stop Bit Length (STOP): Bit 3 selects 1 bit or 2 bits as the stop bit length is asynchronous
mode. The STOP bit setting is only valid in asynchronous mode. When synchronous mode is
selected the STOP bit setting is invalid since stop bits are not added.
Bit 3: STOP
0
1
Notes: 1. In transmission, a single 1 bit (stop bit) is added at the end of a transmit character.
In reception, only the first of the received stop bits is checked, irrespective of the STOP bit setting.
If the second stop bit is 1 it is treated as a stop bit, but if 0, it is treated as the start bit of the next
transmit character.
Bit 2 Multiprocessor Mode (MP): Bit 2 enables or disables the multiprocessor communication
function. When the multiprocessor communication function is enabled, the parity settings in the
PE and PM bits are invalid. The MP bit setting is only valid in asynchronous mode. When
synchronous mode is selected the MP bit should be set to 0. For details on the multiprocessor
communication function, see section 10.3.6, Multiprocessor Communication Function.
Bit 2: MP
0
1
Bits 1 and 0 Clock Select 1, 0 (CKS1, CKS0): Bits 1 and 0 choose /64, /16, /4, or as the
clock source for the baud rate generator.
For the relation between the clock source, bit rate register setting, and baud rate, see Bit Rate
Register (BRR).
Bit 1: CKS1
0
1
Rev. 6.00 Sep 12, 2006 page 296 of 526
REJ09B0326-0600
2. In transmission, two 1 bits (stop bits) are added at the end of a transmit character.
Bit 0: CKS0
0
1
0
1
Description
1 stop bit *
2 stop bits *
Description
Multiprocessor communication function disabled
Multiprocessor communication function enabled
1
2
Description
/4 clock
/16 clock
/64 clock
clock
(initial value)
(initial value)
(initial value)
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