SPEAR300-2 STMicroelectronics, SPEAR300-2 Datasheet - Page 29

• Manufacturer Part Number: SPEAR300-2
• Description: IC MPU ARM9 289LFBGA
• Manufacturer: STMicroelectronics
• Series: SPEAr®r

Specifications of SPEAR300-2

• Processor Type: ARM Microprocessor
• Speed: 333MHz
• Voltage: 1.14 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 289-LFBGA
• Processor Series: SPEAr300
• Core: ARM926EJ-S
• Data Bus Width: 16 bit
• Maximum Clock Frequency: 333 MHz
• Operating Supply Voltage: 1.2 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Data Ram Size: 56 KB
• Interface Type: I2C, UART, USB, Serial
• Number Of Programmable I/os: 62
• Number Of Timers: 6
• Program Memory Size: 32 KB
• Program Memory Type: ROM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-10849-5

SPEAr300
3
3.1
3.2
Pin description
The following tables describe the pinout of the SPEAr300 listed by functional block.
List of abbreviations:
PU = Pull Up
PD = Pull Down
Required external components
1.
2.
3.
Dedicated pins
Table 2.
Table 3.
Master Clock
3.3 V Comp.
Group
GROUND
GROUND
Reset
ANALOG
DDR_COMP_1V8: place an external 121 kresistor between ball P4 and ball R4
USB_TX_RTUNE: connect an external 43.2 k pull-down resistor to ball K5
DIGITAL_REXT: place an external 121 k resistor between ball G4 and ball F4.
RTC
DIGITAL
Group
I/O
Power supply pin description
Master clock, RTC, Reset and 3.3 V comparator pin descriptions
DIGITAL_GND_R
DIGITAL_REXT
Signal name
MCLK_XO
MRESET#
MCLK_XI
RTC_XO
RTC_XI
Signal name
EX
AGND
VDD3
GND
Doc ID 16324 Rev 2
M17
Ball
G6, G7, G8, G9, G10, G11, H6, H7, H8, H9, H10,
H11, J6, J7, J8, J9, J10, J11, K6, K7, K8, K9, K10,
K11, L6, L7, L8, L9, L10, M8, M9, M10
F2, G1, J2, L1, L3, L5, N2, N4, P3, R3,N12
F5, F6, F7, F10, F11, F12, G5, J12, K12, L12, M12
G4
P1
P2
E2
E1
F4
Direction
Output
Output
Output
Power
Input
Input
Input
32 kHz crystal out
32 kHz crystal in
24 MHz (typical)
24 MHz (typical)
Ball
Configuration
Main Reset
crystal out
Function
crystal in
Power
Pin description
Oscillator 2.5 V
Oscillator 1.5 V
Analog, 3.3 V
TTL Schmitt
trigger input
buffer, 3.3 V
tolerant, PU
Pin type
capable
capable
capable
Power
Value
3.3 V
0 V
0 V
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