tmp89ch42 TOSHIBA Semiconductor CORPORATION, tmp89ch42 Datasheet - Page 306

• Manufacturer Part Number: tmp89ch42
• Description: 8 Bit Microcontroller Tlcs-870/c1 Series
• Manufacturer: TOSHIBA Semiconductor CORPORATION

18.5
Data Transfer of I
RA002
Example :Generate a restart
SCL (Bus)
SCL0 pin
SDA0 pin
SBI0SR2<LRB>
SBI0SR2<BB>
SBI0CR2<PIN>
CHK_BB:
CHK_LRB:
2
C Bus
LD
TEST
JR
TEST
JR
LD
SBI0CR2<MST>="0"
SBI0CR2<TRX>="0"
SBI0CR2<BB>="0"
SBI0CR2<PIN>="1"
Figure 18-22 Timing Diagram When Restarting
(SBI0CR2), 0x18
(SBI0SR2).BB
T, CHK_BB
(SBI0SR2).LRB
F, CHK_LRB
.
.
.
(SBI0CR2), 0xf8
Page 292
; Sets SBI0CR2<MST>, <TRX> and <BB> to "0" and SBI0CR2<PIN> to "1"
; Waits until SBI0SR2<BB> becomes "0"
; Waits until SBI0SR2<LRB> becomes "1"
; Wait time process by the software
; Sets SBI0CR2<MST>, <TRX>, <BB> and <PIN> to "1"
4.7
0.6
µ
µ
s min. in the normal mode or
s min. in the fast mode
SBI0CR2<MST>="1"
SBI0CR2<TRX>="1"
SBI0CR2<BB>="1"
SBI0CR2<PIN>="1"
Start condition
TMP89CH42