參數(shù)資料
型號(hào): Z86C46
廠商: ZiLOG, Inc.
英文描述: CMOS Z8 MCU(CMOS Z8系列微控制器)
中文描述: 單片機(jī)的CMOS Z8的CMOS(Z8系列微控制器)
文件頁(yè)數(shù): 34/70頁(yè)
文件大?。?/td> 1192K
代理商: Z86C46
Z86C34/C35/C36/C44/C45/C46
CMOS Z8 MCUs with ASCI UART
ZiLOG
34
P R E L I M I N A R Y
DS007601-Z8X0499
FUNCTIONAL DESCRIPTION
(Continued)
Interrupts.
The Z8 features six different interrupts from six
different sources. These interrupts are maskable, prioritized
(Figure 23) and the six sources are divided as follows: four
sources are claimed by Port 3 lines
P33–P30
, and two in
counter/timers (Table 11). The Interrupt Mask Register glo-
bally or individually enables or disables the six interrupt re-
quests.
Figure 22. Counter/Timer Block Diagram
PRE0
Initial Value
Register
T0
Initial Value
Register
T0
Current Value
Register
6-Bit
Down
Counter
8-bit
Down
Counter
16
÷
4
6-Bit
Down
Counter
8-Bit
Down
Counter
PRE1
Initial Value
Register
T1
Initial Value
Register
T1
Current Value
Register
2
Clock
Logic
IRQ4
T
P36
IRQ5
Internal Data Bus
Write
Write
Read
Internal Clock
Gated Clock
Triggered Clock
TIN P31
Write
Write
Read
Internal Data Bus
External Clock
Internal
Clock
D0 (SMR)
÷
4
÷
2
OSC
D1 (SMR)
OUT
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