參數(shù)資料
型號(hào): W78E354P
廠商: WINBOND ELECTRONICS CORP
元件分類: 微控制器/微處理器
英文描述: MONITOR MICROCONTROLLER
中文描述: 8-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQCC68
封裝: PLASTIC, LCC-68
文件頁(yè)數(shù): 7/45頁(yè)
文件大小: 430K
代理商: W78E354P
W78E354
Publication Release Date: April 1997
- 7 -
Revision A1
Pin Description, continued
PIN NO.
68P 64P 48P 40P
PIN
NAME
I/O
TYPE
TEST
NAME
FUNCTIONAL DESCRIPTION
21
22
8
9
12
13
19
20
6
7
10
11
13
14
4
5
6
7
13
14
4
5
6
7
P2.2
P2.3
(STP)
P2.4
(SDAC10)
P2.5
(SDAC11)
P2.6
(SDAC12)
P2.7
(SDAC13)
I/O
D2
D3
D4
D5
D6
D7
General purpose I/O.
Sink/Source current 4 mA/-100
μ
A.
Alternate function:
P2.3: STP (Self-Test Pattern) output.
P2.4
P2.7: SDAC10
13 outputs.
While outputing special function, P2.3
P2.7's
Sink/Source current is 4mA/-4mA
.
---------------------------------------------------------
* In the Flash/RAM-test mode
(when the chip is in reset state):
P2.2
P2.7: D2
D7 data inputs/outputs.
* In the functional test mode
(CPU executes out of ext. program memory):
P2.2
P2.7: D2
D7 program inputs.
31
32
42
61
23
24
43
67
29
30
40
58
21
22
41
63
22
23
29
43
15
16
30
-
20
21
25
-
-
-
-
-
P3.0
(RXD)
P3.1
(TXD)
P3.2
(INT0)
P3.3
P3.4 (T0)
P3.5 (T1)
P3.6
P3.7
I/O
-
-
A12
(PSEN)
-
-
-
-
-
General purpose I/O.
Sink/Source current 2 mA/-100
μ
A.
Alternate function:
P3.0: 8051 serial input port.
P3.1: 8051 serial output port.
P3.2: External interrupt input.
P3.4 and P3.5: Timer/counter 0 and 1 external inputs.
---------------------------------------------------------
* In the Flash/RAM-test mode
(when the chip is in reset state):
P3.2: A12 input.
* In the functional test mode
(CPU executes out of ext. program memory):
P3.2:
PSEN
output (the read strobe to
external program memory) instead of A12.
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