tmp1941af TOSHIBA Semiconductor CORPORATION, tmp1941af Datasheet - Page 67

• Manufacturer Part Number: tmp1941af
• Description: 32-bit Tx System Risc
• Manufacturer: TOSHIBA Semiconductor CORPORATION

(3) Mode transitions from SLOW to STOP to SLOW
(4) Mode transitions from SLOW to SLEEP to SLOW
fsys
(Low-speed clock)
Mode
CG
(Low-speed clock)
Warm-up (W-up)
fsys
(Low-speed clock)
Mode
CG
(Low-speed clock)
Warm-up (W-up)
Note 1:
Note 2:
Although the fs clock continues oscillation, a warm-up time must be specified.
For the TMP1941AF with an on-chip flash, when the RESET signal is used for STOP/ SLEEP wake-up
signaling, it must be held active for at least 500 µ µ µ µ s for the internal system to stabilize.
When fosc = 32.768 kHz
When fosc = 32.768 kHz
SYSCR2.WUPT[1:0]
SYSCR2.WUPT[1:0]
W-up Time Select
W-up Time Select
SLOW
10 (2
11 (2
SLOW
10 (2
01 (2
11 (2
01 (2
16
14
14
16
8
8
/fosc)
/fosc)
/fosc)
/fosc)
/fosc)
/fosc)
TMP1941AF-27
W-up Time (fc)
W-up Time (fc)
7.8
500 ms
2000 ms
7.8
500 ms
2000 ms
ms
System clock stopped
ms
continues oscillation.
Low-speed clock
oscillator started
Warm-up started
Low-speed clock
Warm-up started
SLEEP
STOP
Warm-up completed
Warm-up completed
TMP1941AF
SLOW
SLOW
2003-03-27