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Toshiba TLCS-900/H1 Series Manual page 352

Original cmos 32-bit microcontroller
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LFR
LBCD
1
LLP
LCP
LD7 to LD0
(8-bit case)
Use internal signal
to CPU (Interrupt)
LFR
LBCD
LLP
Use internal signal
(Internal) BUSRQ
LCP0
LD7 to LD0
(8 bits)
LCP0
LCP1
LD7 to LD0
(8 bits)
Condition: FP [9:0] setting = 240 (COM) + 63, LCDDVM<FMN7:0> = 0BH
LLP
LFR
DVM disable
DVM enable
= 78.02 Hz (at <FP9:0> = 120)
f
FP
1-picture display time
2
3
Data transmission
(1 row data)
Figure 3.14.6 Whole Timing Diagram of SR Mode
t
STOP
= 2 states
t
CP
N + 1
N
N + 1
N
Figure 3.14.7 Detailed Timing Diagram of SR Mode
LP1
LP2
LP3
LP10
Figure 3.14.8 Waveform of LLP, LFR
92CH21-350
120
1
2
t
: LLP cycle
LP
t
: CPU opration time
OPR
: Stop time
N + 28
N + 29
N + 28
N + 29
LP11
LP301 LP302 LP303 LP304
TMP92CH21
3
120
= f
t
LPH
SYS
Single CP
Double CP
Note: XT = 1/32768 [s]
1 state = 1/f
SYS
2009-06-19
1
2
× 4
[s]

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