M32C8B Datasheet, PDF (162/406 Pages) Renesas Technology Corp – RENESAS MCU M16C FAMILY / M32C/80 SERIES

Under development ^{Preliminary specification}
Specifications in this manual are tentative and subject to change.
M32C/8B Group
15. Timer A
Timer Ai Mode Register (i = 0 to 4)(Timer Mode)
b7 b6 b5 b4 b3 b2 b1 b0
0
000
Symbol
TA0MR to TA4MR
Address
0356h, 0357h, 0358h, 0359h, 035Ah
After Reset
00h
Bit Symbol
Bit Name
Function
RW
TMOD0
RW
Operating mode select bits
b1 b0
0 0: Timer mode
TMOD1
RW
−
(b2)
Reserved bit
MR1
MR2
Gate function select bits
MR3
Set to 0 in timer mode
Set to 0
RW
b4 b3
0 0: Gate function disabled
RW
0 1: (TAiIN pin is a programmable I/O port)
1 0: Timer counts only while an "L" signal is input
to the TAiIN pin
1 1: Timer counts only while an "H" signal is
RW
input to the TAiIN pin
RW
TCK0
b7 b6
RW
0 0: f1
Count source select bits
0 1: f8
1 0: f2n⁽¹⁾
TCK1
1 1: fC32
RW
NOTE:
1. Bits CNT3 to CNT0 in the TCSPR register select no division (n = 0) or divided-by-2n (n = 1 to 15). To select f2n, set the
CST bit in the TCSPR register to 1 before setting bits TCK1 and TCK0 to 10b.
Figure 15.5 TA0MR to TA4MR Registers in Timer Mode
REJ09B0450-0050 Rev.0.50 Oct 31, 2008
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