Z51F0410 Datasheet, PDF (96/184 Pages) Zilog, Inc. – Z8051 Series 8-Bit Microcontrollers

4.5.2.2 16 Bit Timer/Counter Mode
Z51F0410
Product Specification
T4CR
T4EN
-
1
-
- T4CK2 T4CK1 T4CK0 T4CN T4ST
-
X
X
X
X
X
ADDRESS
:
CEH
INITIAL VALUE : 0--0_0000B
T4ST
÷2
T4CN
P ÷4
r
e
÷8
s ^÷16
fx
c
a
÷64
MUX
l ^÷256
e _÷1024
r
÷2048
16-bit Timer4 Counter
T4H
(8Bit)
[CDH]
T4L
(8Bit)
Clear
[CFH]
T4IF
Timer4
Interrupt
Comparator
3
T4CK[2:0]
T4HDR T4LDR
(8Bit) (8Bit)
[CDH]
[CFH]
16-bit Timer4 Data Register
4.5.2.3 Register Map
Figure 4.17 Timer4 16-bit Mode Block Diagram
Name
T4CR
T4L
T4LDR
T4H
T4HDR
Address
0xCE
0xCF
0xCF
0xCD
0xCD
Table 4-8 Register Map
Dir
R/W
R
W
R
R/W
Default
0H
0H
FFH
0H
0H
Description
Timer 4 Mode Control Register
Timer 4 Low Register
Timer 4 Low Data Register
Timer 4 High Register
Timer 4 High Data Register
4.5.2.4 Timer 4 Register description
The timer 4 register consists of Timer 4 Mode Control Register (T4CR), Timer 4 Low Register (T4L),
Timer 4 Low Data Register (T4LDR), Timer 4 High Register (T4H), Timer 4 High Data Register
(T4HDR).
4.5.2.5 Register description for Timer 4
T4CR (Timer 4 Mode Control Register) : CEH
7
6
T4EN
-
5
4
-
T4CK2
3
T4CK1
2
T4CK0
PS029502-0212
PRELIMINARY
1
T4CN
0
T4ST
93