m30833fjgp Renesas Electronics Corporation., m30833fjgp Datasheet - Page 178

• Manufacturer Part Number: m30833fjgp
• Description: Renesas 16/32-bit Single-chip Microcomputer M16c Family / M32c/80 Series
• Manufacturer: Renesas Electronics Corporation.

R
R
M
e
E
3
. v
J
Table 14.9 Specifications in Timer Mode
NOTES:
Figure 14.20 TB0MR to TB5MR Registers
2
0
Count Source
Counting Operation
Divide Ratio
Counter Start Condition
Counter Stop Condition
Interrupt Request Generation Timing The timer counter underflows
TBi
Read from Timer
Write to Timer
14.2.1 Timer Mode
1
9
C
3 .
B
In timer mode, the timer counts an internally generated count source (see Table 14.9). Figure 14.20
shows the TBiMR register (i=0 to 5) in timer mode.
8 /
IN
0
1
1. The CNT3 to CNT0 bits in the TCSPR register select no division (n=0) or divide-by-2n (n=1 to 15).
3
0
Pin Function
3
J
G
4
a
0 -
n
o r
Timer Bi Mode Register (i=0 to 5) (Timer Mode)
b7
3 .
1
u
Item
, 1
3
NOTES:
p
b6
1
2
(
1. The CNT3 to CNT0 bits in the TCSPR register select no division (n=0) or divide-by-2n (n=1 to 15).
M
0
b5
0
0
3
6
2
b4
C
8 /
b3
Page 155
, 3
b2
M
b1
0 0
3
f
The timer decrements a counter value
• When the timer counter underflows, content of the reload register is reloaded into the
1/(n+1)
The TBiS bits in the TABSR or TBSR registers are set to "1" (starts counting)
The TBiS bit is set to "0" (stops counting)
Programmable I/O port
The TBi register indicates counter value
• When the timer counter stops,
• While counting,
2
1
(It is transferred to the counter at the next reload timing)
, f
count register and counting resumes
the value written to the TBi register is also written to both reload register and counter
the value written to the TBi register is written to the reload register
C
b0
f o
8
8 /
, f
4
TMOD0
3
TMOD1
Symbol
8
2n (1)
TCK0
TCK1
) T
MR0
MR2
MR3
MR1
8
Bit
Symbol
TB0MR to TB5MR 035B
, f
n: setting value of the TBi register (i=0 to 5)
C32
Operation Mode
Select Bit
Disabled in timer mode.
Can be set to "0" or "1".
TB0MR, TB3MR registers:
TB1MR, TB2MR TB4MR, TB5MR registers:
Set to "0" in timer mode
Count Source
Select Bit
Set to "0" in timer mode
Nothing is assigned. When write, set to "0".
When read, its content is indeterminate.
Bit Name
Address
16
, 035C
Specification
16
, 035D
b7 b6
b1b0
0 0 : f
0 1 : f
1 0 : f
1 1 : f
0 0 : Timer mode
16
1
8
2n (1)
C32
, 031B
16
Function
, 031C
16
, 031D
0000
16
16
After reset
00XX 0000
to FFFF
14. Timer (Timer B)
RW
RW
RW
RW
RW
RW
RW
RW
RW
16
2