HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 200
HD64570
Manufacturer Part Number
HD64570
Description
Serial Communications Adaptor
Manufacturer
HITACHI [Hitachi Semiconductor]
Datasheet
1.HD64570.pdf
(469 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD64570CP
Manufacturer:
RENESAS
Quantity:
6 500
Company:
Part Number:
HD64570CP
Manufacturer:
HIT
Quantity:
5 510
Company:
Part Number:
HD64570CP
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Company:
Part Number:
HD64570CP16
Manufacturer:
HIT
Quantity:
5 510
Company:
Part Number:
HD64570CP16
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Company:
Part Number:
HD64570F
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Company:
Part Number:
HD64570F16
Manufacturer:
Renesas Electronics America
Quantity:
10 000
Part Number:
HD64570F16
Manufacturer:
HITACHI/日立
Quantity:
20 000
Company:
Part Number:
HD64570F16V
Manufacturer:
INFINEON
Quantity:
12 000
- Current page: 200 of 469
- Download datasheet (3Mb)
In the character assembly process, the receiver samples data every other bit cycle. On detecting
the most significant bit (MSB) or the parity bit (if present), the receiver checks the stop bit after a
delay of one bit cycle. If the RXD line is high (normal), the receiver begins start bit searching
immediately. If the line is low (framing error), the receiver begins start bit searching after a delay
of half a bit cycle.
In 1/16, 1/32, or 1/64 clock mode, the noise suppression function operates for start bit, character,
parity bit, and stop bit sampling.
The noise suppression function operates by using the RXD line level that occurs in two of three
sampling timings, which are the current sampling timing and the two preceding sampling timings
(figure 5.19).
In asynchronous mode, the receivable character length is 8 to 5 bits, which is specified with the
RXCHR1 RXCHR0 bits of MD1.
Figure 5.20 shows the receive data format. When the character length is 7 to 5 bits, the high-order
bits are padded with 0s.
Rev. 0, 07/98, page 184 of 453
Receive clock
Receive line
Sampling data
Start bit search
Figure 5.19 Noise Suppression Function
Start bit detected
Start bit check
Related parts for HD64570
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
(HD64 Series) Hitachi Single-Chip Microcomputer
Manufacturer:
Hitachi Semiconductor
Datasheet:
Part Number:
Description:
Silicon N-Channel MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
LOW FREQUENCY POWER AMPLIFIER
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
Silicon N-Channel MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
Silicon N-Channel MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
Silicon N-Channel MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
Silicon N-Channel MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
SILICON N-CHANNEL JUNCTION FET LOW FREQUECY LOW NOISE AMPLIFIER
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
Silicon P-Channel MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
Silicon P-Channel MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
SILICON SPEED POWER SWITCHING
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
SILICON P-CHANNEL MOS FET HIGH SPEED POWER SWITCHING
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
SILICON P-CHANNEL MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
SILICON P-CHANNEL MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet:
Part Number:
Description:
Silicon P-Channel MOS FET
Manufacturer:
HITACHI [Hitachi Semiconductor]
Datasheet: