tmp1941af TOSHIBA Semiconductor CORPORATION, tmp1941af Datasheet - Page 63

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tmp1941af

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

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5.6.1
5.6.2
5.6.3
Crystal
External Clock
TX19 Core Processor
DMAC
INTC
EBIF
External Bus Mastership
I/O Ports
ADC
SIO
I2C
Timer Counters
WDT
RTC
CG
Note: The INTC, External Bus Interface (EBIF), I/O ports, WDT and RTC can operate in SLOW mode.
Clock Source
NORMAL
IDLE (Halt)
IDLE (Doze)
SLEEP
STOP
Operation Mode
Circuit Block
TMP1941AF Operation in NORMAL and Standby Modes
CG Operation in NORMAL and Standby Modes
Processor and Peripheral Block Operation in Standby Modes
Table 5.4 TMP1941AF Operation in NORMAL and Standby Modes
Table 5.6 Processor and Peripheral Blocks in Standby Modes
NORMAL
SLOW
IDLE
(Halt)
IDLE
(Doze)
SLEEP
STOP
NORMAL
SLOW
IDLE
(Halt)
IDLE
(Doze)
SLEEP
STOP
Mode
Table 5.5 CG States in NORMAL and Standby Modes
Clock Source
The TX19 core processor and peripherals operate at frequencies specified in the CG
block.
The processor and DMAC operations stop; other on-chip peripherals can be
selectively disabled.
Processor operation stops; the DMAC is operational; other on-chip peripherals can be
selectively disabled.
Processor operation stops; of the on-chip peripherals, only the RTC is operational (at
fs).
All processor and peripheral operations stop completely.
Oscillator
fsys
fs
fs only
On
On
On
On
Off
Off
Off
Off
Off
Off
Off
Selectable on a block-by-block basis
IDLE (Doze)
TMP1941AF-23
PLL
On
Off
On
On
Off
Off
On
Off
On
On
Off
Off
Off
On
On
On
On
On
On
On
Clock Supply to Peripherals
Partially supplied (See Note.)
Partially supplied (See Note.)
Operating States
IDLE (Halt)
Selectable
Selectable
Selectable
Selectable
RTC only
RTC only
Yes
Yes
Off
Off
On
On
On
Off
On
On
No
No
SLEEP
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
On
On
TMP1941AF
Clock Supply to CPU
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
2003-03-27
STOP
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off
Off

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