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參數(shù)資料
| 型號： | T48C893-TK |
| 廠商： | ATMEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | The multiple times programmable (MTP) version for the MARC4 ROM types |
| 中文描述： | 4-BIT, FLASH, 4 MHz, MICROCONTROLLER, PDSO20 |
| 封裝： | SSO-20 |
| 文件頁數(shù)： | 1/82頁 |
| 文件大小： | 638K |
| 代理商： | T48C893-TK |
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T48C893
Rev. A4, 22-Jan-02
1 (82)
Flash Version for M44C090/890 and M44C092/892
The T48C893 is the multiple times programmable (MTP) version for the MARC4 ROM types M44C090/890,
M44C092/892. The MTP is designed with EEPROM cells so it can be programmed several times. To offer full compati-
bility with each ROM version, the I/O configuration is stored into a separate internal EEPROM block during
programming.The configuration is download to the I/Os with every power-on reset..
Features / Benefits
4-Kbyte EEPROM program memory
EEPROM programmable options
Read protection for the EEPROM program memory
16 bidirectional I/Os
Up to 7 external / internal interrupt sources
8 hardware and software interrupt priorities
Multifunction timer/counter with prescaler/interval
timer
Programmable system-clock with prescaler and five
different clock sources
Wide supply voltage range (1.8 to 6.5 V)
Very low sleep current (< 1
μ
A)
2
512 bit EEPROM data memory
256
4 bit RAM data memory
Synchronous serial interface (2-wire, I
2
C, 3-wire)
Watchdog, POR and brown-out function
Voltage monitoring incl. Lo_BAT detect
Multi-chip link for U3280M
Voltage monitor
External input
MARC4
4-bit CPU core
UTCM
Timer 1
interval- and
OSC1
OSC2
I/O bus
EEPROM
4 K x 8 bit
RAM
256 x 4 bit
VDD
VSS
Data direction +
alternate function
Data direction +
interrupt control
Port 4
Port 5
Data dir. +
alt. function
Port 6
Timer 3
8-bit
timer / counter
with modulator
and demodulator
Brown-out protect.
RESET
Clock management
watchdog timer
Timer 2
8/12-bit timer
Serial interface
Port 1
P
D
T2O
SD
SC
T3O
T3I
BP10
BP13
BP20/NTE
BP21
BP22
BP23
BP40
INT3
SC BP41
VMI
T2I
BP42
T2OBP43
INT3
SD
BP50
INT6
BP51
INT6
BP52
INT1
BP53
INT1
BP60
T3O
BP63
T3I
RC
oscillators
Crystal
oscillators
VMI
with modulator
SSI
External
clock input
T2I
EEPROM
2
32
16 bit
Figure 1. Block diagram T48C893
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