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HD64F2149YV 数据表(PDF) 307 Page - Renesas Technology Corp

部件名 HD64F2149YV
功能描述  Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2100 Series
PDF  1075 Pages
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制造商  RENESAS [Renesas Technology Corp]
网页  http://www.renesas.com
标志 RENESAS - Renesas Technology Corp

HD64F2149YV 数据表(HTML) 307 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev. 3.00 Jan 18, 2006 page 279 of 1044
REJ09B0280-0300
PGPIN is at the same address as PGDDR. Writing is to PGDDR and the port G settings will
change unless the given byte represents the current settings.
Port G Nch-OD Control Register (PGNOCR)
Bit
7
6543
210
PG7NOC PG6NOC PG5NOC PG4NOC PG3NOC PG2NOC PG1NOC PG0NOC
Initial value
0
0000
000
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
PGNOCR is an 8-bit read/write register, the individual bits of which specify the output driver type
for pins on port G which are configured as outputs.
Setting a PENOCR or PFNOCR bit to 1 disables the P-channel driver for the corresponding pin on
port G. Clearing the bit to 0 enables the P-channel driver for the pin. Although the P-channel
drivers are always connected, the output driver type will look like CMOS when the bit is cleared
to 0 and N-channel open-drain when it is set to 1.
PGNOCR is initialized to H'00 by a reset and in hardware standby mode. It retains its prior state in
software standby mode.
DDR
0
1
NOCR
—
01
ODR
0
1
010
1
N-ch. driver
OFF
ON
OFF
ON
OFF
P-ch. driver
OFF
OFF
ON
OFF
MOS Input Pul-Up
OFF
ON
OFF



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