Z84C90_12 Datasheet, PDF (9/56 Pages) Zilog, Inc. – KIO Serial/Parallel Counter/Timer

Z84C90 KIO Serial/Parallel Counter/Timer
Product Specification
2
Table 1. Z84C90 KIO Peripheral: Serial/Parallel Counter/Timer Packages
Part Number
Z84C9008ASC
Z84C9010ASC
Z84C9008VEC
Z84C9008VSC
Z84C9010VSC
Z84C9012VSC
Package
100-pin LQFP
100-pin LQFP
84-pin PLCC
84-pin PLCC
84-pin PLCC
84-pin PLCC
Frequency (MHz)
8
10
8
8
10
12
Figure 1 illustrates a block diagram of the Z84C90 KIO Peripheral.
OSC
XTAL1
XTAL0
CLKOUT
Oscillator
PIO
PIA/
MUX
PA0–PA7
ARDY
ASTB
PB0–PB7
BRDY
BSTB
PC0–PCV
D0–D7
A0–A3
CS
MI
RD
IORQ
RESET
CLK
Bus
Interface
and
Control
SIO
RXDA
RXCA
TXDA
TXCA
CTSA
DCDA
RXDB
RXCB
TXDB
TXCB
CTSB
DCDB
INT
Interrupt
IE1
Control
IE0
CTC
ZC/TO0
CLK/TRG0
ZC/TO1
CLK/TRG1
ZC/TO2
CLK/TRG2
ZC/TO3
CLK/TRG3
Figure 1. A Block Diagram of the Z84C90 KIO Peripheral
PS011804-0612
Features