HD64F2638F20J Renesas Electronics America, HD64F2638F20J Datasheet - Page 576
HD64F2638F20J
Manufacturer Part Number
HD64F2638F20J
Description
IC H8S MCU FLASH 256K 128-QFP
Manufacturer
Renesas Electronics America
Series
H8® H8S/2600r
Specifications of HD64F2638F20J
Core Processor
H8S/2600
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, SCI, SmartCard
Peripherals
Motor Control PWM, 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)
4.5 V ~ 5.5 V
Data Converters
A/D 12x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
128-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Section 14 Smart Card Interface
14.3.3
Normal Transfer Mode: Figure 14-3 shows the normal Smart Card interface data format. In
reception in this mode, a parity check is carried out on each frame, and if an error is detected an
error signal is sent back to the transmitting end, and retransmission of the data is requested. If an
error signal is sampled during transmission, the same data is retransmitted.
The operation sequence is as follows.
[1] When the data line is not in use it is in the high-impedance state, and is fixed high with a pull-
[2] The transmitting station starts transfer of one frame of data. The data frame starts with a start
[3] With the Smart Card interface, the data line then returns to the high-impedance state. The data
Page 526 of 1458
When there is no parity error
When a parity error occurs
up resistor.
bit (Ds, low-level), followed by 8 data bits (D0 to D7) and a parity bit (Dp).
line is pulled high with a pull-up resistor.
Legend:
Ds:
D0 to D7:
Dp:
DE:
Data Format
Start bit
Data bits
Parity bit
Error signal
Ds
Ds
Figure 14-3 Normal Smart Card Interface Data Format
D0
D0
D1
D1
D2
D2
Transmitting station output
Transmitting station output
D3
D3
D4
D4
D5
D5
D6
D6
D7
D7
Dp
Dp
H8S/2639, H8S/2638, H8S/2636,
REJ09B0103-0800 Rev. 8.00
H8S/2630, H8S/2635 Group
Receiving station
output
DE
May 28, 2010
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