参数资料
型号: EP7312-CB
厂商: Cirrus Logic Inc
文件页数: 38/54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: 598-1232
DS508F2
Copyright Cirrus Logic, Inc. 2011
(All Rights Reserved)
43
EP7312
High-Performance, Low-Power System on Chip
J7
CTS
I
UART 1 clear to send input
J8
VSSRTC
RTC ground
Real time clock ground
J9
VSSRTC
RTC ground
Real time clock ground
J10
A[17]/DRA[10]
1
Low
O
System byte address / SDRAM address
J11
A[16]/DRA[11]
1
Low
O
System byte address / SDRAM address
J12
A[15]/DRA[12]
1
Low
O
System byte address / SDRAM address
J13
A[14]/DRA[13]
1
Low
O
System byte address / SDRAM address
J14
nTRST
I
JTAG async reset input
J15
D[16]
1
Low
I/O
Data I/O
J16
D[17]
1
Low
I/O
Data I/O
K1
LEDDRV
1
Low
O
IR LED drive
K2
PHDIN
I
Photodiode input
K3
VSSIO
Pad ground
I/O ground
K4
DCD
I
UART 1 data carrier detect
K5
nTEST[1]
With p/u*
I
Test mode select input
K6
EINT[3]
I
External interrupt
K7
VSSRTC
RTC ground
Real time clock ground
K8
ADCIN
I
SSI1 ADC serial input
K9
COL[4]
1
High
O
Keyboard scanner column drive
K10
TCLK
I
JTAG clock
K11
D[20]
1
Low
I/O
Data I/O
K12
D[19]
1
Low
I/O
Data I/O
K13
D[18]
1
Low
I/O
Data I/O
K14
VSSIO
Pad ground
I/O ground
K15
VDDIO
Pad power
Digital I/O power, 3.3V
K16
VDDIO
Pad power
Digital I/O power, 3.3V
L1
RXD[1]
I
UART 1 receive data input
L2
DSR
I
UART 1 data set ready input
L3
VDDIO
Pad power
Digital I/O power, 3.3V
L4
nEINT[1]
I
External interrupt input
L5
PE[2]/CLKSEL
1
Input
I/O
GPIO port E / clock input mode select
L6
VSSRTC
RTC ground
Real time clock ground
L7
PD[0]/LEDFLSH
1
Low
I/O
GPIO port D / LED blinker output
L8
VSSRTC
Core ground
Real time clock ground
L9
COL[6]
1
High
O
Keyboard scanner column drive
L10
D[31]
1
Low
I/O
Data I/O
L11
VSSRTC
RTC ground
Real time clock ground
L12
A[22]/DRA[5]
1
Low
O
System byte address / SDRAM address
L13
A[21]/DRA[6]
1
Low
O
System byte address / SDRAM address
L14
VSSIO
Pad ground
I/O ground
L15
A[18]/DRA[9]
1
Low
O
System byte address / SDRAM address
L16
A[19]/DRA[8]
1
Low
O
System byte address / SDRAM address
M1
nTEST[0]
With p/u*
I
Test mode select input
M2
nEINT[2]
I
External interrupt input
M3
VDDIO
Pad power
Digital I/O power, 3.3V
M4
PE[0]/BOOTSEL[0]
1
Input
I
GPIO port E / Boot mode select
M5
TMS
with p/u*
I
JTAG mode select
Table 21. 256-Ball PBGA Ball Listing (Continued)
Ball Location
Name
Strength
Reset
State
Type
Description
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