W921E400A Datasheet, PDF (26/53 Pages) Winbond – 4-BIT MICROCONTROLLER

W921E400A/W921C400
6.10.2 TM2
TM2 can perform the following functions:
1. 2 to19 order divider
2. Auto-reload timer
3. Arbitrary waveform generator
4. Period/pulse width measurement function
System
Clock
f SYS
11-bit Prescaler
1/4
f TM2
High Speed
Clock
TM2 Control
Register
TM2 Read
Register
8 Order Divider
Port 5.1
Period/Pulse Width
Measurement
TM2 Set Register
(8 bits)
TM2 Control Logic
Interrupt Control
Register
TM2 Interrupt
Logic
Arbitrary
Waveform
Generator
TM2CR register: (address = 02AH, default data = 0H)
b3
b2
b1
b0
b3 b2 b1 b0 Input frequency (f _TM2 )
0000
fsys/2 Hz
0001
fsys/4 Hz
0010
fsys/8 Hz
0011
fsys/16 Hz
0100
fsys/32 Hz
0101
fsys/64 Hz
0110
fsys/128 Hz
0111
fsys/256 Hz
1000
fsys/512 Hz
1001
fsys/1024 Hz
1010
fsys/2048 Hz
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