HD64F2623FA20J Renesas Electronics America, HD64F2623FA20J Datasheet - Page 541
HD64F2623FA20J
Manufacturer Part Number
HD64F2623FA20J
Description
IC H8S MCU FLASH 256K 100-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2623FA20J
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI, SmartCard
Peripherals
POR, PWM, WDT
Number Of I /o
53
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
12K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 16x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Interrupt Operation (Except Block Transfer Mode): There are three interrupt sources in smart
card interface mode: transmit data empty interrupt (TXI) requests, transfer error interrupt (ERI)
requests, and receive data full interrupt (RXI) requests. The transmit end interrupt (TEI) request is
not used in this mode.
When the TEND flag in SSR is set to 1, a TXI interrupt request is generated.
When the RDRF flag in SSR is set to 1, an RXI interrupt request is generated.
When any of flags ORER, PER, and ERS in SSR is set to 1, an ERI interrupt request is generated.
The relationship between the operating states and interrupt sources is shown in table 14.8.
Note: For block transfer mode, see section 13.4, SCI Interrupts.
Table 14.8 Smart Card Mode Operating States and Interrupt Sources
Data Transfer Operation by DTC: In smart card mode, as with the normal SCI, transfer can be
carried out using the DTC. In a transmit operation, the TDRE flag is also set to 1 at the same time
as the TEND flag in SSR, and a TXI interrupt is generated. If the TXI request is designated
beforehand as a DTC activation source, the DTC will be activated by the TXI request, and transfer
of the transmit data will be carried out. The TDRE and TEND flags are automatically cleared to 0
when data transfer is performed by the DTC. In the event of an error, the SCI retransmits the same
data automatically. During this period, TEND remains cleared to 0 and the DTC is not activated.
Therefore, the SCI and DTC will automatically transmit the specified number of bytes, including
retransmission in the event of an error. However, the ERS flag is not cleared automatically when
an error occurs, and so the RIE bit should be set to 1 beforehand so that an ERI request will be
generated in the event of an error, and the ERS flag will be cleared.
When performing transfer using the DTC, it is essential to set and enable the DTC before carrying
out SCI setting. For details of the DTC setting procedures, see section 8, Data Transfer Controller
(DTC).
In a receive operation, an RXI interrupt request is generated when the RDRF flag in SSR is set to
1. If the RXI request is designated beforehand as a DTC activation source, the DTC will be
Operating State
Transmit
Mode
Receive
Mode
Normal
operation
Error
Normal
operation
Error
Flag
TEND
ERS
RDRF
PER, ORER
Enable Bit
TIE
RIE
RIE
RIE
Rev. 5.00 Jan 10, 2006 page 515 of 1042
Interrupt Source
TXI
ERI
RXI
ERI
Section 14 Smart Card Interface
REJ09B0275-0500
DTC Activation
Possible
Not possible
Possible
Not possible
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