HD64F2239FA16 Renesas Electronics America, HD64F2239FA16 Datasheet - Page 660
HD64F2239FA16
Manufacturer Part Number
HD64F2239FA16
Description
IC H8S MCU FLASH 384K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Specifications of HD64F2239FA16
Core Processor
H8S/2000
Core Size
16-Bit
Speed
16MHz
Connectivity
I²C, SCI, SmartCard
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
72
Program Memory Size
384KB (384K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64F2239FA16V
Manufacturer:
RENESAS
Quantity:
1 000
Part Number:
HD64F2239FA16V
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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Section 15 Serial Communication Interface (SCI)
Rev. 6.00 Mar. 18, 2010 Page 598 of 982
REJ09B0054-0600
Figure 15.14 Sample Multiprocessor Serial Transmission Flowchart
Clear DR to 0 and set DDR to 1
Write transmit data to TDR and
Read TDRE flag in SSR
Read TEND flag in SSR
Clear TE bit in SCR to 0
Clear TDRE flag to 0
set MPBT bit in SSR
All data transmitted?
Start transmission
Break output?
Initialization
TDRE = 1
TEND = 1
<End>
Yes
Yes
Yes
Yes
No
No
No
No
[1]
[2]
[3]
[4]
Notes: 1. Supported only by the H8S/2239
[1] SCI initialization:
[2] SCI status check and transmit
[3] Serial transmission continuation
[4] Break output at the end of serial
2. The case, in which the DTC
The TxD pin is automatically
designated as the transmit data
output pin.
After the TE bit is set to 1, a
frame of 1s is output, and
transmission is enabled.
data write:
Read SSR and check that the
TDRE flag is set to 1, then write
transmit data to TDR. Set the
MPBT bit in SSR to 0 or 1.
Finally, clear the TDRE flag to 0.
procedure:
To continue serial transmission,
be sure to read 1 from the TDRE
flag to confirm that writing is
possible, then write data to TDR,
and then clear the TDRE flag to
0. Checking and clearing of the
TDRE flag is automatic when the
DMAC *
activated by a transmit-data-
empty interrupt (TXI) request,
and data is written to TDR.
transmission:
To output a break in serial
transmission, set the port DR to
0, clear DDR to 1, then clear the
TE bit in SCR to 0.
Group.
automatically clears the TDRE
flag, occurs only when DISEL in
DTC is 0 with the transfer
counter not being 0. Therefore,
the TDRE flag should be cleared
by CPU when DISEL is 1, or
when DISEL is 0 with the
transfer counter being 0.
1
or the DTC *
2
is
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