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SH7052 Datasheet(PDF) 638 Page - Renesas Technology Corp

Part # SH7052
Description  SuperHTM RISC engine
PDF  919 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7052 Datasheet(HTML) 638 Page - Renesas Technology Corp

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18.3.3
Port B IO Register (PBIOR)
Bit:
15
14
13
12
11
10
9
8
PB15
IOR
PB14
IOR
PB13
IOR
PB12
IOR
PB11
IOR
PB10
IOR
PB9
IOR
PB8
IOR
Initial value:
0
0
0
0
0
0
0
0
R/W:
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Bit:
7
6
5
4
3
2
1
0
PB7
IOR
PB6
IOR
PB5
IOR
PB4
IOR
PB3
IOR
PB2
IOR
PB1
IOR
PB0
IOR
Initial value:
0
0
0
0
0
0
0
0
R/W:
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
The port B IO register (PBIOR) is a 16-bit readable/writable register that selects the input/output
direction of the 16 pins in port B. Bits PB15IOR to PB0IOR correspond to pins
PB15/PULS5/SCK2 to PB0/TO6A. PBIOR is enabled when port B pins function as general
input/output pins (PB15 to PB0) or serial clock pins (SCK0, SCK1, SCK2), and disabled
otherwise.
When port B pins function as PB15 to PB0 or SCK0, SCK1, and SCK2, a pin becomes an output
when the corresponding bit in PBIOR is set to 1, and an input when the bit is cleared to 0.
PBIOR is initialized to H'0000 by a power-on reset (excluding a WDT power-on reset), and in
hardware standby mode. It is not initialized in software standby mode or sleep mode.
18.3.4
Port B Control Registers H and L (PBCRH, PBCRL)
Port B control registers H and L (PBCRH, PBCRL) are 16-bit readable/writable registers that
select the functions of the 16 multiplex pins in port B. PBCRH selects the functions of the pins for
the upper 8 bits of port B, and PBCRL selects the functions of the pins for the lower 8 bits.
PBCRH and PBCRL are initialized to H'0000 by a power-on reset (excluding a WDT power-on
reset), and in hardware standby mode. They are not initialized in software standby mode or sleep
mode.



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