Z51F3220FNX Datasheet, PDF (160/312 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

Z51F3220
Product Specification
Figure 11.44 Example of PWM Delay
11.8.7 Block Diagram
T4MS
EINT1
8-bit Timer 4 Capture Register
T4CAPR ( 8Bit)
2
EIPOL 0L[3:2 ]
T4CK[3:0]
4
8-bit Timer 4 Data Register
T4DR (8Bit)
P
fx/1
Comparator
r
fx/2
e
fx/4
s
T4 CN
Clear
Match
fx
c
fx/8
M
a
U
l
X
T4CNT (8Bit)
Clear
e
r ^fx/16384
8-bit Timer 4 Counter
T4ST
FLAG 0
(EIFLAG0.1)
Clear
INT_ ACK
To interrupt
block
T4O
To interrupt
block
EC3
fx
P
fx/2
r
fx/4
e
fx/8
s
M
U
c
fx/32
X
a fx/128
l _fx/512
e
r ^fx/2048
3
T3CK[2:0]
EIPOL 0L[1:0 ]
2
T3ST
8-bit Timer 3 Counter
T3CNT (8Bit)
Clear
Clear
T3CN
Match
Comparator
T3DR (8Bit)
8-bit Timer 3 Data Register
EINT0
T3CAPR (8 Bit)
8-bit Timer 3 Capture Register
T3MS
INT_ACK
Clear
T3IFR
To interrupt
block
T3 O
INT_ACK
Clear
FLAG 0
(EIFLAG0.0)
To interrupt
block
NOTE: Do not set to “1111b” in the T4CK[3:0], when two 8-bit timer 3/4 modes.
Figure 11.45 Two 8-Bit Timer 3, 4 Block Diagram
PS029902-0212
PRELIMINARY
157