MSP430F551X Datasheet, PDF (15/115 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F551x
MSP430F552x
www.ti.com
SLAS590D – OCTOBER 2009 – REVISED APRIL 2010
Table 2. TERMINAL FUNCTIONS (continued)
TERMINAL
NAME
PN
P7.4/TB0.2
57
P7.5/TB0.3
58
P7.6/TB0.4
59
P7.7/TB0CLK/MCLK
60
VSSU
61
PU.0/DP
62
PUR
63
PU.1/DM
64
VBUS
65
VUSB
66
V18
67
AVSS2
68
P5.2/XT2IN
69
P5.3/XT2OUT
70
TEST/SBWTCK ⁽³⁾
71
PJ.0/TDO ⁽⁴⁾
72
PJ.1/TDI/TCLK ⁽⁴⁾
73
PJ.2/TMS ⁽⁴⁾
74
PJ.3/TCK ⁽⁴⁾
75
RST/NMI/SBWTDIO ⁽³⁾
76
P6.0/CB0/A0
77
P6.1/CB1/A1
78
NO.
I/O ⁽¹⁾
DESCRIPTION
RGC ZQE
N/A N/A
General-purpose digital I/O (not available on '5528, '5526, '5524, '5522, '5514,
I/O
'5513 devices)
TB0 CCR2 capture: CCI2A input, compare: Out2 output (not available on
'5528, '5526, '5524, '5522, '5514, '5513 devices)
N/A N/A
General-purpose digital I/O (not available on '5528, '5526, '5524, '5522, '5514,
I/O
'5513 devices)
TB0 CCR3 capture: CCI3A input, compare: Out3 output (not available on
'5528, '5526, '5524, '5522, '5514, '5513 devices)
N/A N/A
General-purpose digital I/O (not available on '5528, '5526, '5524, '5522, '5514,
I/O
'5513 devices)
TB0 CCR4 capture: CCI4A input, compare: Out4 output (not available on
'5528, '5526, '5524, '5522, '5514, '5513 devices)
N/A N/A
General-purpose digital I/O (not available on '5528, '5526, '5524, '5522, '5514,
'5513 devices)
I/O
TB0 clock signal TBCLK input (not available on '5528, '5526, '5524, '5522,
'5514, '5513 devices)
MCLK output (not available on '5528, '5526, '5524, '5522, '5514, '5513
devices)
49
B8,
B9
USB PHY ground supply
50
A9
I/O
General-purpose digital I/O - controlled by USB control register
USB data terminal DP
51 B7 I/O USB pullup resistor pin (open drain)
52
A8
I/O
General-purpose digital I/O - controlled by USB control register
USB data terminal DM
53 A7
USB LDO input (connect to USB power source)
54 A6
USB LDO output
55 B6
USB regulated power (internal usage only, no external current loading)
56 A5
Analog ground supply
57
B5
I/O
General-purpose digital I/O
Input terminal for crystal oscillator XT2
58
B4
I/O
General-purpose digital I/O
Output terminal of crystal oscillator XT2
59 A4
I
Test mode pin – Selects four wire JTAG operation.
Spy-Bi-Wire input clock when Spy-Bi-Wire operation activated
60
C5
I/O
General-purpose digital I/O
JTAG test data output port
61
C4
I/O
General-purpose digital I/O
JTAG test data input or test clock input
62
A3
I/O
General-purpose digital I/O
JTAG test mode select
63
B3
I/O
General-purpose digital I/O
JTAG test clock
Reset input active low
64 A2 I/O Non-maskable interrupt input
Spy-Bi-Wire data input/output when Spy-Bi-Wire operation activated.
General-purpose digital I/O
1 A1 I/O Comparator_B input CB0
Analog input A0 – ADC (not available on '551x devices)
General-purpose digital I/O
2 B2 I/O Comparator_B input CB1
Analog input A1 – ADC (not available on '551x devices)
(3) Please refer to Bootstrap Loader (BSL) and JTAG Operation for usage with BSL and JTAG functions
(4) Please refer to JTAG Operation for usage with JTAG function.
Copyright © 2009–2010, Texas Instruments Incorporated
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