ST10 STMICROELECTRONICS [STMicroelectronics], ST10 Datasheet - Page 61

• Manufacturer Part Number: ST10
• Description: 16-BIT MCU WITH 32K BYTE ROM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

XX - ELECTRICAL CHARACTERISTICS (continued)
Figure 24 : External bus arbitration, (regaining the bus)
Notes 1. This is the last opportunity for BREQ to trigger the indicated regain-sequence.Even if BREQ is activated earlier, the regain-sequence
XX.4.13 - High-speed synchronous serial interface (SSC) timing
Master mode
V
Note
t
t
t
CC
t
t
t
t
t
t
t
t
306
307p
308p
300
301
302
303
304
305
307
308
Symbol
(On P6.x)
CLKOUT
= 5V 10%, V
1
is initiated by HOLD going high. Please note that HOLD may also be deactivated without the ST10C167 requesting the bus.
2. The next ST10C167 driven bus cycle may start here.
1. timing guaranteed by design.
Signals
HOLD
BREQ
HLDA
Other
CC
CC
CC
CC
CC
CC
CC
SR
SR
SR
SR
CSx
SSC clock cycle time
SSC clock high time
SSC clock low time
SSC clock rise time
SSC clock fall time
Write data valid after shift edge
Write data hold after shift edge
Read data setup time before
latch edge, phase error
detection on (SSCPEN = 1)
Read data hold time after latch
edge, phase error detection on
(SSCPEN = 1)
Read data setup time before
latch edge, phase error
detection off (SSCPEN = 0)
Read data hold time after latch
edge, phase error detection off
(SSCPEN = 0)
SS
= 0V, CPU clock = 25MHz, T
Parameter
t
62
t
61
1)
Max. Baud rate = 6.25M Baud
t
62
4TCL
Min.
(<SSCBR> = 0001h)
160
70
70
60
40
-2
–
0
–
–
A
t
= -40 to +125 C, C
62
t
t
63
67
2)
Max.
160
10
10
15
–
–
–
–
–
–
–
t
65
L
= 100pF
(<SSCBR>=0001h-FFFFh)
t
t
300
300
2TCL+20
8 TCL
4TCL
Variable Baud rate
Min.
40
/2 - 10
/2 - 10
-2
–
–
–
0
262144 TCL
Max.
10
10
15
–
–
–
–
–
–
–
ST10C167
Unit
61/65
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns