HD64F2239TF20I Renesas Electronics America, HD64F2239TF20I Datasheet - Page 682
HD64F2239TF20I
Manufacturer Part Number
HD64F2239TF20I
Description
MCU 3V 384K I-TEMP 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2238RFA6V.pdf
(1048 pages)
Specifications of HD64F2239TF20I
Core Processor
H8S/2000
Core Size
16-Bit
Speed
20MHz
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
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
HD64F2239TF20I
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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Section 15 Serial Communication Interface (SCI)
15.8
SCI_0 provides the SCI select function that enables one-to-one clocked synchronous
communication between a master LSI and multiple slave LSIs (these LSIs). Figure 15.36 shows an
example of communication using the SCI select function and figure 15.37 shows the summary of
its operation.
The master LSI enables to communicate with the slave LSI_A by setting the SEL_A signal to low
and the SEL_B signal to high. In this case, the TxD0_B pin of the slave LSI_B becomes Hi-Z and
that fixes the on-chip SCK0_B signal high, causing the communication terminated. To
communicate with the slave LSI_B, set the SEL_A signal to high and the SEL_B signal to low.*
The slave LSI detects its being selected by the low input interrupt of IRQ7 and handles data
transferring smoothly.
Note: * Change the select signal of the master LSI (SEL_A or SEL_B) while the serial clock
Rev. 6.00 Mar. 18, 2010 Page 620 of 982
REJ09B0054-0600
Master LSI
SCI Select Function (H8S/2239 Group Only)
(M_SCK) is high after the last bit of the transmit data has been output. In addition, set
only one select signal to low at a time.
Figure 15.36 Example of Communication Using SCI Select Function
M_SCK
M_RxD
M_TxD
SEL_A
SEL_B
SCK0
SCK0
RxD0
RxD0
IRQ7
TxD0
IRQ7
TxD0
Slave LSI_A (this LSI)
Slave LSI_B (this LSI)
C/A = CKE1 = SSE = 1
SCK0_A
RSR0_A
controller
Interrupt
Transfer
control
TSR0_A
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