M16C65 Datasheet, PDF (377/829 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M16C/60

Under development
M16C/65 Group
Preliminary Specification
This is a preliminary specification and is subject to change.
18. Timer B
18.2.5 Pulse Period/Pulse Width Measurement Mode Function Select Register i
(PPWFSi) (i = 1, 2)
Pulse Period/Pulse Width Measurement Mode Function Select Register 1
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PPWFS1
Address
01C6h
After Reset
XXXX X000b
Bit Symbol
Bit Name
Function
RW
0 : Measurement result is stored
Timer B0 pulse period/pulse
in the TB0 register.
The TB01 register is not used
PPWFS10 width measurement mode 1 : The counter value is read
RW
function select bit
in the TB01 register.
Measurement result is stored
in the TB0 register
0 : Measurement result is stored
in the TB1 register.
Timer B1 pulse period/pulse
The TB11 register is not used
PPWFS11 width measurement mode 1 : The counter value is read
RW
function select bit
in the TB11 register.
Measurement result is stored
in the TB1 register
0 : Measurement result is stored
in the TB2 register.
Timer B2 pulse period/pulse
The TB21 register is not used
PPWFS12 width measurement mode 1 : The counter value is read
RW
function select bit
in the TB21 register.
Measurement result is stored
in the TB2 register
PO—FS0
(b7-b3)
No register bits. If necessary, set to 0. Read as undefined value
—
Pulse Period/Pulse Width Measurement Mode Function Select Register 2
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
PPWFS2
Address
01E6h
After Reset
XXXX X000b
Bit Symbol
Bit Name
Function
RW
0 : Measurement result is stored
Timer B3 pulse period/pulse
in the TB3 register.
The TB31 register is not used
PPWFS20 width measurement mode 1 : The counter value is read
RW
function select bit
in the TB31 register.
Measurement result is stored
in the TB3 register
0 : Measurement result is stored
in the TB4 register.
Timer B4 pulse period/pulse
The TB41 register is not used
PPWFS21 width measurement mode 1 : The counter value is read
RW
function select bit
in the TB41 register.
Measurement result is stored
in the TB4 register
0 : Measurement result is stored
in the TB5 register.
Timer B5 pulse period/pulse
The TB51 register is not used
PPWFS22 width measurement mode 1 : The counter value is read
RW
function select bit
in the TB51 register.
Measurement result is stored
in the TB5 register
PO—FS0
(b7-b3)
No register bits. If necessary, set to 0. Read as undefined value
—
Enabled in pulse period measurement mode or pulse width measurement mode.
REJ09B0484-0030 Rev.0.30 Sep 09, 2008
Page 342 of 791