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H838024 Datasheet(PDF) 266 Page - Renesas Technology Corp

Part # H838024
Description  Renesas 8-Bit Single-Chip Microcomputer Super Low Power Series
PDF  697 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H838024 Datasheet(HTML) 266 Page - Renesas Technology Corp

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Section 8 I/O Ports
Rev. 7.00 Mar 10, 2005 page 224 of 652
REJ09B0042-0700
8.7.3
Pin Functions
Table 8.18 shows the port 7 pin functions.
Table 8.18
Port 7 Pin Functions
Pin
Pin Functions and Selection Method
P77/SEG24 to
P70/SEG17
The pin function depends on bits PCR77 to PCR70 in PCR7 and bits SGS3 to
SGS0 in LPCR.
P77 to P74
(n = 7 to 4)
SGS3 to SGS0
Other than 0110, 0111, 1000, 1001,
1010, 1011, 1100, 1101
0110, 0111, 1000,
1001, 1010, 1011,
1100, 1101
PCR7n
01
*
Pin function
P7n input pin
P7n output pin
SEGn+17 output pin
P73 to P70
(m = 3 to 0)
SGS3 to SGS0
Other than 0101, 0110, 0111, 1000,
1001, 1010, 1011, 1100
0101, 0110, 0111,
1000, 1001, 1010,
1011, 1100
PCR7m
01
*
Pin function
P7m input pin
P7m output pin
SEGm+17 output pin
*: Don’t care
8.7.4
Pin States
Table 8.19 shows the port 7 pin states in each operating mode.
Table 8.19
Port 7 Pin States
Pins
Reset
Sleep
Subsleep Standby
Watch
Subactive Active
P77/SEG24 to
P70/SEG17
High-
impedance
Retains
previous
state
Retains
previous
state
High-
impedance
Retains
previous
state
Functional Functional



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