Z16C3516VSG Zilog, Z16C3516VSG Datasheet - Page 144

• Manufacturer Part Number: Z16C3516VSG
• Description: IC 16MHZ Z8500 CMOS ISCC 68-PLCC
• Manufacturer: Zilog
• Series: IUSC™r

Specifications of Z16C3516VSG

• Controller Type: Serial Communications Controller (SCC)
• Interface: USB
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 50mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 68-LCC (J-Lead)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 269-4690-5; Z16C3516VSG

Application Note
The Z180™ Interfaced with the SCC at MHZ
;external/status interrupt
service routine
ext_stat:
;initialization data table for scc
;table format - register number, then value for the register
;and ends with 0ffh - since scc doesn’t have
;register 0ffh...
scctab:
;interrupt vector table
sccvect:
top_of_sp:
7-24
(Continued)
Table 12. SCC Test Program – Interrupt for 180/SCC Application Board (Under Mode2 Interrupt) (Continued)
ld
if
else
endif
a,10h
out
in
and
rra
rra
rra
rra
rra
set
ld
ld
out
ei
ret
db
scc_a
db
db
db
db
db
db
db
db
db
db
db
org
dw
.block
end
(scc_cont),a
a,(scc_cont)
00100000b
1,a
b,a
a,38h
(scc_cont),a
09h
10000000b
01000000b
0eh
20h
01h
00000001b
10h
10h
09h
08h
0ffh
inttest + 100h
ext_stat
100h
;reset ext/stat int
;read stat
;mask off bits other than /cts
;shift into D0 loc
;set interrupt flag
;save it
;reset highest ius
;enable int
;return from int
;select WR9
;ch a reset
;ch b reset
;select WR15
;only enable /cts int
;select WR1
;enable ext/stat int
;reset ext/stat int
;twice
;select WR9
;mie, vect not incl. stat
;end of table
;reserve area for stack
UM011001-0601