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7641 датащи(PDF) 36 Page - Renesas Technology Corp

номер детали 7641
подробное описание детали  8-BIT SINGLE-CHIP MICROCOMPUTER
PDF  385 Pages
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производитель  RENESAS [Renesas Technology Corp]
домашняя страница  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

7641 датащи(HTML) 36 Page - Renesas Technology Corp

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Rev.2.00
Aug 28, 2006
page 19 of 113
7641 Group
REJ09B0336-0200
HARDWARE
FUNCTIONAL DESCRIPTION
Fig. 14 Port block diagram (3)
HOLD
S1
HLDA
(13) Port P71
Data bus
Direction
register
Port latch
HOLD function enable bit
HOLD function
enable bit
(15) Port P73
IBF1 output enable bit
Data bus buffer function
select bit
HOLD function
enable bit
Direction
register
Port latch
IBF1 output
Data bus
(17) Port P80
Direction
register
Port latch
Data bus
SRDY output select bit
(UART2) Transmit enable bit
SRDY output
SPI mode select bit
SPI mode select bit
Control for SPI
compatible mode
(UART2) UTXD2 output
Data bus buffer function select bit
(14) Port P72
Data bus
Direction
register
Port latch
Data bus buffer
function select bit
Data bus buffer function select bit
(16) Port P74
Data bus
Direction
register
Port latch
OBF1 output enable bit
OBF1 output
(18) Port P81
Data bus
Direction
register
Port latch
(Serial I/O) Internal synchronous clock select bits
Serial I/O port select bit
(UART2) Receive enable bit
(UART2) Receive enable bit
(Serial I/O) Internal
synchronous clock
select bits
(UART2) Receive enable bit
(UART2) URXD2 input
Serial I/O clock input
Serial I/O clock output



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