参数资料
型号: EP7312M-CBZ
厂商: Cirrus Logic Inc
文件页数: 26/54页
文件大小: 0K
描述: IC ARM720T MCU 74MHZ 256-PBGA
标准包装: 90
系列: EP7
核心处理器: ARM7
芯体尺寸: 32-位
速度: 74MHz
连通性: 编解码器,DAI,EBI/EMI,IrDA,键盘,SPI/Microwire1,UART/USART
外围设备: LCD,LED,MaverickKey,PWM
输入/输出数: 27
程序存储器类型: ROMless
RAM 容量: 56K x 8
电压 - 电源 (Vcc/Vdd): 2.3 V ~ 2.7 V
振荡器型: 外部
工作温度: 0°C ~ 70°C
封装/外壳: 256-BGA
包装: 托盘
配用: 598-1209-ND - KIT DEVELOPMENT EP73XX ARM7
其它名称: 598-1247
32
Copyright Cirrus Logic, Inc. 2011
(All Rights Reserved)
DS508F2
EP7312
High-Performance, Low-Power System on Chip
208-Pin LQFP Numeric Pin Listing
Table 20. 208-Pin LQFP Numeric Pin Listing
Pin
No.
Signal
Strength
Reset
State
Type
Description
1
nCS[5]
1
Low
O
Chip select 5
2
VDDIO
Pad Pwr
Digital I/O power, 3.3 V
3
VSSIO
Pad Gnd
I/O ground
4
EXPCLK
1
I
Expansion clock input
5
WORD
1
Low
O
Word access select output
6
WRITE/nSDRAS
1
Low
O
Transfer direction / SDRAM
RAS signal output
7
RUN/CLKEN
1
Low
O
Run output / clock enable
output
8
EXPRDY
1
I
Expansion port ready input
9
TXD[2]
1
High
O
UART 2 transmit data output
10
RXD[2]
I
UART 2 receive data input
11
TDI
with p/u*
I
JTAG data input
12
VSSIO
Pad Gnd
I/O ground
13
PB[7]
1
Input
I/O
GPIO port B
14
PB[6]
1
Input
I/O
GPIO port B
15
PB[5]
1
Input
I/O
GPIO port B
16
PB[4]
1
Input
I/O
GPIO port B
17
PB[3]
1
Input
I/O
GPIO port B
18
PB[2]
1
Input
I/O
GPIO port B
19
PB[1]
1
Input
I/O
GPIO port B
20
PB[0]
1
Input
I/O
GPIO port B
21
VDDIO
Pad Pwr
Digital I/O power, 3.3 V
22
TDO
1
Input
O
JTAG data out
23
PA[7]
1
Input
I/O
GPIO port A
24
PA[6]
1
Input
I/O
GPIO port A
25
PA[5]
1
Input
I/O
GPIO port A
26
PA[4]
1
Input
I/O
GPIO port A
27
PA[3]
1
Input
I/O
GPIO port A
28
PA[2]
1
Input
I/O
GPIO port A
29
PA[1]
1
Input
I/O
GPIO port A
30
PA[0]
1
Input
I/O
GPIO port A
31
LEDDRV
1
Low
O
IR LED drive
32
TXD[1]
1
High
O
UART 1 transmit data out
33
VSSIO
1
High
Pad Gnd
I/O ground
34
PHDIN
I
Photodiode input
35
CTS
I
UART 1 clear to send input
36
RXD[1]
I
UART 1 receive data input
37
DCD
I
UART 1 data carrier detect
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