HD64F3642AH Renesas Electronics America, HD64F3642AH Datasheet - Page 307
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HD64F3642AH
Manufacturer Part Number
HD64F3642AH
Description
IC H8 MCU FLASH 16K 64QFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Lr
Datasheet
1.HD64F3644HV.pdf
(551 pages)
Specifications of HD64F3642AH
Core Processor
H8/300L
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
PWM, WDT
Number Of I /o
53
Program Memory Size
16KB (16K 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
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Data Transfer Operations
Transmitting: A transmit operation is carried out as follows.
1. Set bits SO1 and SCK1 to 1 in PMR3 to select the SO
2. Clear bit SNC1 in SCR1 to 0, set bit SNC0 to 0 or 1, and clear bit MRKON to 0, designating
3. Write transmit data in SDRL and SDRU, as follows.
4. Set the SCSR1 start flag (STF) to 1. SCI1 starts operating and outputs transmit data at pin SO
5.
When an internal clock is used, a serial clock is output from pin SCK
transmit data. After data transmission is complete, the serial clock is not output until the next time
the start flag is set to 1. During this time, pin SO
transmitted.
When an external clock is used, data is transmitted in synchronization with the serial clock input at
pin SCK
input; no data is transmitted and the SCSR1 overrun error flag (bit ORER) is set to 1.
While transmission is stopped, the output value of pin SO
SCSR1.
Receiving: A receive operation is carried out as follows.
1. Set bits SI1 and SCK1 to 1 in PMR3 to select the SI
2. Clear bit SNC1 in SCR1 to 0, set bit SNC0 to 0 or 1, and clear bit MRKON to 0, designating
3. Set the SCSR1 start flag (STF) to 1. SCI1 starts operating and receives data at pin SI
4. After data reception is complete, bit IRRS1 in interrupt request register 2 (IRR2) is set to 1.
5. Read the received data from SDRL and SDRU, as follows.
set bit POF1 in PMR7 for NMOS open-drain output at pin SO
8- or 16-bit synchronous transfer mode. Select the serial clock in bits CKS3 to CKS0. Writing
data to SCR1 when bit MRKON in SCR1 is cleared to 0 initializes the internal state of SCI1.
8-bit transfer mode:
16-bit transfer mode: Upper byte in SDRU, lower byte in SDRL
8- or 16-bit synchronous transfer mode. Select the serial clock in bits CKS3 to CKS0. Writing
data to SCR1 when bit MRKON in SCR1 is cleared to 0 initializes the internal state of SCI1.
8-bit transfer mode:
16-bit transfer mode: Upper byte in SDRU, lower byte in SDRL
After data transmission is complete, bit IRRS1 in interrupt request register 2 (IRR2) is
set to 1.
1
. After data transmission is complete, an overrun occurs if the serial clock continues to be
SDRL
SDRL
1
continues to output the value of the last bit
Section 10 Serial Communication Interface
1
Rev. 6.00 Sep 12, 2006 page 285 of 526
and SCK
1
1
and SCK
can be changed by rewriting bit SOL in
1
1
.
pin functions.
1
1
pin functions. If necessary,
in synchronization with the
REJ09B0326-0600
1
.
1
.
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