TMP92xy21FG Toshiba, TMP92xy21FG Datasheet - Page 27

• Manufacturer Part Number: TMP92xy21FG
• Manufacturer: Toshiba

Specifications of TMP92xy21FG

• Package: LQFP144
• Rom Types(m=mask,p=otp, F=flash,e=eeprom): Romless
• Rom Combinations: Romless
• Ram Combinations: 16
• Architecture: 32-bit CISC
• Usb/spi Channels: -
• Uart/sio Channels: 2
• I2c/sio Bus Channels: -
• (s)dram Controller: 1
• Adc 10-bit Channel: 4
• Da Converter: -
• Timer 8-bit Channel: 4
• Timer 16-bit Channel: 1
• Pwm 8-bit Channels: -
• Pwm 16-bit Channels: -
• Cs/wait Controller: 4
• Dual Clock: Y
• Number Of I/o Ports: 82
• Power Supply Voltage(v): 3.0 to 3.6

System Clock f
<XEN>
X1, X2 pins
<XTEN>
XT1, XT2 pins
Warm-up timer
End of warm-up timer
<SYSCK>
Example 2: Setting the clock
X: Don’t care, −: No change
SYSCR0
SYSCR1
SYSCR2
WUP:
SYS
EQU
EQU
EQU
SET
SET
BIT
JR
RES
RES
LD
Changing from low-frequency (fs) to high-frequency (fc).
Counts up by f
Enables
high-frequency
(SYSCR2), 0 X 1 0 − − X X B ;
10E0H
10E1H
10E2H
7, (SYSCR0)
2, (SYSCR0)
2, (SYSCR0)
NZ, WUP
3, (SYSCR1)
6, (SYSCR0)
SYS
Clears and starts
warm-up timer
92CH21-25
fs
End of warm-up
timer
;
;
;
;
;
;
Counts up by fc
Sets warm-up time to 2
Enables high-frequency oscillation.
Clears and starts warm-up timer.
Detects stopping of warm-up timer.
Changes f
Disables low-frequency oscillation.
Changes f
from fs to fc
fc
SYS
SYS
Disables
low-frequency
from fs to fc.
14
/fc.
TMP92CH21
2009-06-19