tmp88ph40mg TOSHIBA Semiconductor CORPORATION, tmp88ph40mg Datasheet - Page 20

• Manufacturer Part Number: tmp88ph40mg
• Description: 8 Bit Microcontroller
• Manufacturer: TOSHIBA Semiconductor CORPORATION

2.1 Functions of the CPU Core
Timer
counter
DV1CK
fc
(1)
Prescaler
0
1 2
1. Generate the source clock for the time base timer
2. Generate the source clock for the watchdog timer
3. Generate the internal source clock for the timer counter
Configuration of the Timing Generator
The Timing Generator a 3-stage prescaler, 21-stage dividers, and a machine cycle counter.
When reset, the prescaler and dividers are cleared to 0.
Figure 2-4 Configuration of the Timing Generator
Selector
A
B
S
Y
1
2
Divider
3
4
5
6
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7
Machine cycle counter
8
9
10
11
12
13
Divider
14
15
16
17
18
19
20
21
TMP88PH40MG
Watchdog
timer
Time base
timer
Standby
control
circuit