Z85C3008VSG Zilog, Z85C3008VSG Datasheet - Page 188
Z85C3008VSG
Manufacturer Part Number
Z85C3008VSG
Description
IC 8MHZ Z8500 CMOS SCC 44-PLCC
Manufacturer
Zilog
Series
SCCr
Specifications of Z85C3008VSG
Processor Type
Z80
Features
Error Detection and Multiprotocol Support
Speed
8MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
44-LCC (J-Lead)
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Cpu Speed
8MHz
Digital Ic Case Style
LCC
No. Of Pins
44
Supply Voltage Range
5V
Operating Temperature Range
0°C To +70°C
Svhc
No SVHC (18-Jun-2010)
Base Number
85
Rohs Compliant
Yes
Clock Frequency
8MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
269-3932
Z85C3008VSG
Z85C3008VSG
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
Z85C3008VSG
Manufacturer:
Zilog
Quantity:
800
Company:
Part Number:
Z85C3008VSG
Manufacturer:
MAX
Quantity:
74
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UM010901-0601
loop:
chkloop:
bad_data:
good:
enddma:
;
fill_mem:
fill_loop:
fill_00:
fill_00l:
ld
l
Table 14. Test Program – Z180/SCC DMA Transfer (Continued)
call
ld
ld
out
ld
out0
ld
out
ld
out
ei
bit
jr
push
ld
ld
ld
a,(de)
cpi
jr
jp
inc
jr
pop
set
jr
pop
jr
d
ld
ld
ld
ldi
jp
dec
inc
jr
ld
ld
ld
ldi
ret
dec
jr
initdma
b,0
a,00h
(scc_data),a
a,11001100b
(dstat),a
a,05h
(scc_cont),a
a,01101000b
(scc_cont),a
1,b
z,loop
bc
bc,length
de,tx_buff
hl,rx_buff
nz,bad_data
v,good
de
chkloop
bc
2,b
enddma
bc
$
hl,temp
bc,length
de,tx_buff
(hl),00h
nv,fill_00
hl
(hl)
fill_loop
bc,length
de,rx_buff
(hl),00h
nv
hl
fill_00l
The Z180™ Interfaced with the SCC at MHZ
;init status
;load 1st data to be sent
;enable dmac and int from DMA0
;select WR5
;start tx
;wait here for completion
;rx dma end?
;not, then loop again
;save bc reg
;compare tx data with rx data
;restore bc
;set error flag
;restore bc
;tx/rx completed
you can put breakpoint here
; prepare data to be sent
; set length
; clear rx buffer area to zero
Application Note
6-53
7
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