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參數(shù)資料
| 型號(hào)： | TMPR3922AU |
| 廠商： | Toshiba Corporation |
| 英文描述： | 32-bit RISC Microprocessor for PDA（Personal Digital Assistants)(32位 精簡指令集系統(tǒng)計(jì)算機(jī)微處理器，用于掌上電腦PDA) |
| 中文描述： | 32位RISC微處理器的PDA（個(gè)人數(shù)字助理）（32位精簡指令集系統(tǒng)計(jì)算機(jī)微處理器，用于掌上電腦PDA）的 |
| 文件頁數(shù)： | 19/45頁 |
| 文件大小： | 343K |
| 代理商： | TMPR3922AU |
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TMPR3922AU
TABLE 4.3b lists various power-down states and conditions for each TMPR3922AU pin. The
"Power-Down Control" column shows the conditions which trigger a power-down for each
respective pin. This column also shows the reset state for each of these conditions.
The "PON* state" column defines the state of each pin at power-on reset (PON*). This condition
is defined as initial power up of the TMPR3922AU, whereby the TMPR3922AU is initialized and
the TMPR3922AU pins are reset to the state shown in the table. This state is entered after
power is applied for the very first time (VSTANDBY is turned on but VCC3 is still turned off).
The "1st-time power-up state" column defines the state of each pin after power-up mode
(RUNNING STATE) is executed for the first time. This mode is defined as VCC3 applied to the
entire system and is initiated by the user pressing the ONBUTN while in the power-on reset
(PON*) state. Note that the defined state of various pins for 1st-time power-up may depend on
the configuration of external devices attached to these pins. After 1st-time power-up, the
software could change the state of various pins to be different from those shown in the table.
Thereafter, subsequent transitions from SLEEP STATE to RUNNING STATE might result in
different states for these pins.
The "power-down state" column defines the state of each pin during power-down mode (SLEEP
STATE). This mode is defined as VCC3 turned off to the entire system, except for the
TMPR3922AU (RTC and interrupts alive) and any persistent memory.
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