IBM System/370 145 Reference Summary page 81

3215 CONTROL AND DATA FLOW
REQUEST SWITCH --"'
READY SWITCH • ATTENTION
NOT READY SWITCH-----+ NTERVENTION REQUIRED
END OF FORM SWITCH __.,
COVER INLK SWITCH __.,.
READY SHARE
____ 1 __ _,
CHAR READY
CANCEL SWITCH
--
~x
. . . . . . . . . . . . . . . . . . K.EY·B·O·A·RD . . DiAT.A
[
END SWITCH Tl-REG
B
t--\1--
U~
CPU DATA IN (EBO) 2
lillilmllllllllliiilliill-------.---·-----------x•
s
Li-;;....-23:::]1 _ _ .
O R • - -. .
t
t
·~
I
~ ~------_:::Gc:..A:..:..TE::....:::.D:.::IA:.::::G<-W:..:.!!:IR:.':.E
BUS IN (Tl) . . . _
~TA~G~IN;:;-'c(T~T")------------1:~----<
i-l
r,,i1---~ 1_r1------<1H
Nt---4-
r-
~P;;';:E:";S'-:'Y~N:;:C:'-:C::-;H-:-;E""C-::-K----------'JI""-----< ~
IH
1 - - - - - x
7
i...-
_.x
~
.,. GATE DIAG LINES
rl------<;
,I J----S ;-;
-----'-,11------<IHll-----~
TA-REG TT-REG __
l.i.,. ____ _
TAG
OUT_iT~
-
....
KEYBOARD RESTORE
~
l
T
~~~E
T
~:l~TION
CPU DATA OUT (EBI) A STACKED REQ ..__.. A ALT/DISP MODE
iiiiiiiiililiiiiiliiiilillll------"•X
G SHARE RESET Gf31 SJ' E NOTt
1
.---+!
CONTROL
TIMING
t-----~•.rs-----_::C;,:_A~RR~IA~G"""-E~C~O~IL~••
.. DOC REQUEST
BUS OUT (TE)
DOC CONSOLE
DATA SET
O ATTN RESET
r.i1
1DECODE1_
U SENSE SHARE
H ....
I
ND OR READY SH R~
T DIAG RESET
Ni;;R::,EQ~U;:,;ES:,.:.T---~
ALARM
~
CANCEL
...---
.....-
-
FORWARD
1
STOP
REVERSE
PE TIMINGS
I '
S•..,-1-----.....1
SHARE
REQUEST~
..
-R-EA_D_A_N_D_W_R_l_TE__,~l
'-
CONTROL
~I'
STEPPING MOTOR 1-----.....1....,5
.r----~M~O~T~O~R~D~R~IV~E~A~&~B~~­
CONTROL
~
-
["' ----11i-
B
IQl
SEE NOTE 2
ITT
(DECODE)
U 2 DIAG PE TIMINGS
---------------l•X-
S 3 DIAG PE ENVELOPE
~
0 4 NEW LINE CHARACTER
55
r-
-------------1
TE-REG
NOTE 2:
TE-REG DECODE
BITS 0 AND 1
1
0 =
GAl:E DIAG FIRING
1 1
=
GATE DIAG LINES
U 5 ZERO COUNT
6 DIAG MFE
T 7 n-IAG INHIBIT PRINTfR
_f
SET WORD 1 AND
-._t-_ _.. __
S_E_T _W_;:O;_R.:..D_l-' - A-"N..;;D:.....;.:W...:O:.:;R=D...:2:____._ _
_ _ J
CONTROL
FINE PE TIMINGS
(600 USECS)
NOTE 1:
PE TIMINGS TT-REG DECODE
BITS
3 AND 4
0 1 = PE SYNC CHECK
1
0
= TIME OUT
1 1 = DATA PARITY OR
PE SYNC CHECK
FWD & REV
5
FB EMITTERS
[
WORD 2
l_
t;"J
DATA
DATA REGISTER . . . . . .
L----------r:;·
REGISTER
tlll••llll•---·
x
X WORD 1
x-
ASSEMBLERt----------=D:.::A:..:..TA~PA::!:R:!.!l.!..TY~C!..!.H~EC:..!:K~.-•
I
DATA REGISTER - , _
)•.r----Ool-( WORD 2 CONTRO:tl
-1
PRINT WIRES 1-7
SET WORD 1
6.2