US38024-BAG1 Renesas Electronics America, US38024-BAG1 Datasheet - Page 255
US38024-BAG1
Manufacturer Part Number
US38024-BAG1
Description
DEV EVALUATION KIT H8/38024
Manufacturer
Renesas Electronics America
Series
H8®r
Type
MCUr
Datasheet
1.US38024-BAG1.pdf
(684 pages)
Specifications of US38024-BAG1
Contents
2G (Second-generation) Evaluation Board, HEW debugger support, Cable and CD-ROM
For Use With/related Products
H8/38024
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 255 of 684
- Download datasheet (5Mb)
Bit 2—Reserved
This bit is reserved; it can only be written with 0.
Bits 1 and 0—P9 n /PWM Pin Function Switches
These pins select whether pin P9n/PWMn+1 is used as P9n or as PWMn+1.
Bit n
WKPn+1
0
1
from 1 to 0 only when the PIOFF bit is cleared to 0. Also, if a large current flow is
required, the PIOFF bit should be set to 1 and all the port data bits set to 1. Then clear
PIOFF to 0 and, after allowing 30 clock cycles to permit stabilization of the voltage
boost circuit, clear the port data bits to 0. If time is not provided to allow the voltage
boost circuit to stabilize, it will not be possible to produce a large current flow. There are
no such restrictions when setting port data bits from 0 to 1, regardless of the size of the
current flow. To shut down the voltage boost circuit, set PIOFF to 1 after programming
the port data bits. An example of the sequence of steps is provided below.
(Example Procedure)
Description
Functions as P9
Functions as PWM
n
output pin
n+1
Shutting Down the in the Watch Mode without a Large Current
Flow to Port 9
PIOFF = 0 (voltage boost circuit on)
PIOFF = 1 (voltage boost circuit off)
output pin
PDR9 operation or other operation
Execute SLEEP instruction
Cancel watch mode
Other operation
Watch mode
Rev. 8.00 Mar. 09, 2010 Page 233 of 658
Section 8 I/O Ports
REJ09B0042-0800
(initial value)
(n = 0 or 1)
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