参数资料
型号: M37478E8FP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PQFP56
封装: PLASTIC, QFP-56
文件页数: 35/50页
文件大小: 693K
代理商: M37478E8FP
37
MITSUBISHI MICROCOMPUTERS
7477/ 7478 GROUP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Table 2. Pin function in EPROM mode
M37477E8, M37478E8
VCC
P33
VSS
Ports
P11 – P17,
P20 – P23, P30,
P31, P40, P41
Port P0
VREF
P32
VCC
VPP
VSS
Address input
Data I/O
CE
OE
M5L27C256K
VCC
VPP
VSS
A0 – A14
D0 – D7
CE
OE
Fig. 30 Pin connection in EPROM mode
A10
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
VSS
CE
D7
D6
D5
D4
D3
D2
D1
D0
A14
A13
VPP
A12
A11
VCC
OE
VSS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
28
29
30
31
32
M37478E8SS
M37478E8TXXXSP
M37478E8-XXXSP
P17/SRDY
P16/SCLK
P15/TXD
P14/RXD
P13/T1
P12/T0
P11
P10
P23/IN3
P22/IN2
P21/IN1
P20/IN0
VREF
XIN
XOUT
VSS
P07
P06
P05
P04
P03
P02
P01
P00
P41
P40
P33/CNTR1
P32/CNTR0
P31/INT1
P30/INT0
RESET
VCC
17
26
25
24
23
22
18
19
20
21
27
33
35
36
37
38
39
40
41
42
34
P53
P27/IN7
P26/IN6
P25/IN5
P24/IN4
P52
P51/XCOUT
P50/XCIN
P43
P42
Oscillation
circuit
: Same functions as M5L27C256K
EPROM MODE
The M37477E8, M37478E8 feature an EPROM mode in addition
to its normal modes. When the RESET signal level is low (“L”), the
chip automatically enters the EPROM mode. Table 2 lists the cor-
respondence between pins and Figure 30 to 32 give the pin
connection in the EPROM mode. When in the EPROM mode,
ports P0, P11 to P17, P20 to P23, P3, P40, P41 and VREF are used
for the PROM (equivalent to the M5L27C256K). When in this
mode, the built-in PROM can be written to or read from using
these pins in the same way as with the M5L27C256K. The oscilla-
tor should be connected to the XIN and XOUT pins, or external
clock should be connected to the XIN pin.
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相关代理商/技术参数
参数描述
M37478E8SP 制造商:MITSUBISHI 制造商全称:Mitsubishi Electric Semiconductor 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37478E8SP/FP 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37478E8SS 制造商:Renesas Electronics Corporation 功能描述:MCU 8BIT 740 CISC 16KB PROM 5V 42PIN SDIP - Bulk
M37478E8TXXXFP 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES
M37478E8TXXXSP 制造商:RENESAS 制造商全称:Renesas Technology Corp 功能描述:8-BIT SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 7470 SERIES