DF2238RTF6 Renesas Electronics America, DF2238RTF6 Datasheet - Page 591
DF2238RTF6
Manufacturer Part Number
DF2238RTF6
Description
MCU 2.2/3V 256K 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2200r
Datasheet
1.DF2238RFA6V.pdf
(1048 pages)
Specifications of DF2238RTF6
Core Processor
H8S/2000
Core Size
16-Bit
Speed
6MHz
Connectivity
I²C, SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
72
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
16K x 8
Voltage - Supply (vcc/vdd)
2.2 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
HD64F2238RTF6
HD64F2238RTF6
HD64F2238RTF6
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DF2238RTF6V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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14.4.2
This section describes an example of performing a slave reception using the DTC.
(1) IEB Initialization
(a) Setting the IEBus Control Register (IECTR)
(b) Setting the IEBus Master Unit Address Registers 1 and 2 (IEAR1 and IEAR2)
(c) Setting the IEBus Receive Interrupt Enable Register (IEIER)
Enable the IEBus pins, select the signal polarity, and select a clock supplied to the IEB. Set the
RE bit to 1 to perform reception. The LUEE bit does not need to be specified.
Specify the master unit address and specify the communications mode in IEAR1. Compare
with the slave address in the communications frame and receive the frame if matched.
Enable RxRDY (IERxI), RxS, and RxE (IERSI) interrupts.
Interrupt
IETxI (TxRDY)
(TO DTC)
IETxI (TxRDY)
(TO CPU)
IETSI
(TO CPU)
IECMR
IETSR
IEFLG
TxRDY
Slave Receive Operation
MRQ
CMX
SRQ
SRE
TxS
TxF
LF
Slave reception
Cleared to 0 byt DTC transfer of 1st byte
(1)
H: Header, MA: Master address field, SA: Slave address field,
CF: Control field, LF: Message length field, D1, D2,..., Dn-1, Dn: Data field
Master transmission request
Figure 14.8 Master Transmit Operation Timing
Dn-1
Dn
(2)
(2)
H
MA
(3)
(3)
Section 14 IEBus™ Controller (IEB) [H8S/2258 Group]
SA
CF
DTC transfer
Master transmission
of 2nd byte
LF
Rev. 6.00 Mar. 18, 2010 Page 529 of 982
(4)
(4)
D1
(5)
(5)
DTC transfer
of 3rd byte
D2
(6)
(6)
(7)
DTC transfer
Dn-1
of nth byte
REJ09B0054-0600
Dn
(8)
(8)
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