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Número de pieza | ST72321BR6-Auto | |
Descripción | 8-bit MCU for automotive | |
Fabricantes | STMicroelectronics | |
Logotipo | ||
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No Preview Available ! ST72321Bxxx-Auto
8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM,
ADC, 5 timers, SPI, SCI, I2C interface
Features
Memories
■ 32 to 60 Kbyte dual voltage High Density Flash
(HDFlash) ROM with readout protection
capability. In-application programming and in-
)circuit programming for HDFlash devices
t(s■ 1 to 2 Kbyte RAM
c■ HDFlash endurance: 100 cycles, data retention
u20 years
rodClock, reset and supply management
P■ Enhanced low voltage supervisor (LVD) for
main supply and auxiliary voltage detector
te(AVD) with interrupt capability
le■ Clock sources: crystal/ceramic resonator
ooscillators, internal RC oscillator and bypass
sfor external clock
b■ PLL for 2x frequency multiplication
O■ 4 power saving modes: Halt, Active Halt, Wait
-and Slow
t(s)Interrupt management
c■ Nested interrupt controller
u■ 14 interrupt vectors plus trap and reset
d■ Top Level Interrupt (TLI) pin on 64-pin devices
ro■ 15/9 external interrupt lines (on 4 vectors)
P1 analog peripheral (low current coupling)
olete■ 10-bit ADC with up to 16 input ports
LQFP64
10 x 10
LQFP64
14 x 14
LQFP44
10 x 10
Up to 48 I/O ports
■ 48/32/24 multifunctional bidirectional I/O lines
■ 34/22/17 alternate function lines
■ 16/12/10 high sink outputs
5 timers
■ Main clock controller with Real-time base,
Beep and Clock-out capabilities
■ Configurable watchdog timer
■ Two 16-bit timers with 2 input captures, 2
output compares, external clock input on 1
timer, PWM and pulse generator modes
■ 8-bit PWM auto-reload timer with 2 input
captures, 4 PWM outputs, output compare and
time base interrupt, external clock with event
detector
3 communications interfaces
■ SPI synchronous serial interface
■ SCI asynchronous serial interface
■ I2C multimaster interface
Development tools
■ Full HW/SW development pkg, ICT capability
ObsTable 1. Device summary
Device
Prog. memory RAM (stack) Oper. voltage Temp. range
Package
ST72321BR9-Auto
ST72321BAR9-Auto
ST72321BJ9-Auto
ST72321BR7-Auto
ST72321BAR7-Auto
ST72321BJ7-Auto
ST72321BR6-Auto
ST72321BAR6-Auto
ST72321BJ6-Auto
Flash/ROM
60 Kbytes
Flash/ROM
48 Kbytes
Flash/ROM
32 Kbytes
2048 (256)
bytes
1536 (256)
bytes
1024 (256)
bytes
3.8 to 5.5V
LQFP64
LQFP44
Up to
LQFP64
-40 to 125°C
LQFP44
LQFP64
LQFP44
14x14
10x10
10x10
14x14
10x10
10x10
14x14
10x10
10x10
September 2010
Doc ID 12898 Rev 2
1/244
www.st.com
1
1 page ST72321Bxxx-Auto
Contents
12.2.1 Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
12.2.2 Counter clock and prescaler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
12.2.3 Counter and prescaler initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
12.2.4 Output compare control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
12.2.5 Independent PWM signal generation . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
12.2.6 Output compare and time base interrupt . . . . . . . . . . . . . . . . . . . . . . . . 91
12.2.7 External clock and event detector mode . . . . . . . . . . . . . . . . . . . . . . . . 91
12.2.8 Input capture function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
12.2.9 External interrupt capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
lete Product(s)12.3
ART registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
12.3.1 Control/status register (ARTCSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
12.3.2 Counter access register (ARTCAR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
12.3.3 Auto-reload register (ARTARR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
12.3.4 PWM control register (PWMCR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
12.3.5 Duty cycle registers (PWMDCRx) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
12.3.6 Input capture control / status register (ARTICCSR) . . . . . . . . . . . . . . . . 97
12.3.7 Input capture registers (ARTICRx) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
bso13 16-bit timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
- O13.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
t(s)13.2 Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
c13.3 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
du13.3.1 Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
ro13.3.2 External clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
P13.3.3 Input capture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
lete 13.3.4 Output compare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
o 13.3.5 Forced compare output capability . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Obs 13.3.6 One Pulse mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
13.3.7 Pulse width modulation mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
13.4 Low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
13.5 Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
13.6 Summary of timer modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
13.7 16-bit timer registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
13.7.1 Control register 1 (CR1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
13.7.2 Control register 2 (CR2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
13.7.3 Control/status register (CSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Doc ID 12898 Rev 2
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5 Page ST72321Bxxx-Auto
Contents
22.2
22.1.8 Pull-up always active on PE2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Limitations specific to 44-pin 32 Kbyte ROM devices . . . . . . . . . . . . . . . 241
22.2.1 Halt/Active Halt mode power consumption with external clock
enabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
22.2.2 Active Halt power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
22.2.3 I²C exit from Halt/Active Halt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
23 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Obsolete Product(s) - Obsolete Product(s)
Doc ID 12898 Rev 2
11/244
11 Page |
Páginas | Total 30 Páginas | |
PDF Descargar | [ Datasheet ST72321BR6-Auto.PDF ] |
Número de pieza | Descripción | Fabricantes |
ST72321BR6-Auto | 8-bit MCU for automotive | STMicroelectronics |
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