Z86E61(2008) Просмотр технического описания (PDF) - Zilog
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Z86E61 Datasheet PDF : 69 Pages
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Z86E61/E63
CMOS Z8 16K/32K EPROM Microcontroller
13
Port 1 can be placed in high-impedance state along with Port 0, AS, DS, and R/W,
allowing the MCU to share common resources in multiprocessor and DMA appli-
cations. Data transfers are controlled by assigning P33 as a Bus Acknowledge
input, and P34 as a Bus Request output (Figure 7).
4
Z86E61
4
/E63
MCU
Port 0 (I/O)
Handshake controls
DAV0 and RDY0
(P32 and P35)
OEN
Out
TTL Level Shifter
In
R = 500 kΩ
Figure 6. Port 0 Configuration
PAD
Auto Latch
PS014401-1001
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