Sony GTK-XB7 Service Manual page 44

GTK-XB7
• IC Block Diagrams
– MAIN Board –
U1 LED1642GWTTR
SDI
Control Logic &
CLK
Data Registers
LE
V
UVLO
DD
& POR
GND
detection
Thermal
shutdown
Configuration
register
Channel driver
Current gain
Current
Timing control
R-EXT
Ref. adjustment
Turn ON/OFF
Gradual delay
U3, 4 EUP3490
GTK-XB7
SDO
PWCLK
OUT0
PWM
counter
OUT1
Error
OUT2
OUT14
OUT15
U16 STM32F030R8T6
Serial
SWCLK
Wire
SWDIO
Debug
as AF
CORTEX-M0 CPU
f = 48 MHz
HCLK
NVIC
GP DMA
5 channels
GPIO port A
PA[15:0]
PB[15:0] GPIO port B
GPIO port C
PC[15:0]
PD2 GPIO port D
PF[1:0]
GPIO port F
PF[7:4]
EXT. IT
55 AF
WKUP
MOSI,
MISO,
SPI1
SCK,
NSS as AF
MOSI/MISO,
SPI2
SCK/NSS,
as AF
SYSCFG IF
@ V
DDA
Temp.
sensor
16
12-bit
IF
AD inputs
ADC1
V
DDA
V
SSA
44 44
POWER
V
DD18
VOLT.REG
V = 2.4 to 3.6 V
DD
3.3 V TO 1.8 V
V
SS
Flash
@ V
up to
DD
64 KB,
POR SUPPLY
32 bits
Reset
SUPERVISION
Int
NRST
SRAM POR/PDR V
DDA
@ V
4 / 8 KB DDA V
DD
RC HS 14 MHz
RC HS 8 MHz
@ V
DDA
@ V
RC LS
DD
OSC_IN (PF0)
XTAL OSC
OSC_OUT (PF1)
PLL
4-32 MHz
IWDG
Power
AHBPCLK Controller
APBPCLK
RESET &
@ VDD
ADCCLK
CLOCK
USARTCLK OSC32_IN (PC14)
XTAL32 kHz
CONTROL
HCLK
OSC32_OUT (PC15)
FCLK
RTC TAMPER-RTC
(ALARM OUT)
RTC interface
CRC
4 channels
TIMER 1 3 compl. channels
BRK, ETR input as AF
4 ch., ETR as AF
TIMER 3
AHB TIMER 14 1 channel as AF
APB
2 channels
TIMER 15
1 compl, BRK as AF
1 channel
TIMER 16
1 compl, BRK as AF
WWDG
1 channel
TIMER 17
1 compl, BRK as AF
IR_OUT as AF
DBGMCU
RX, TX,CTS, RTS,
USART1
CK as AF
RX, TX,CTS, RTS,
USART2
CK as AF
SCL, SDA, SMBA
I2C 1
(20 mA for FM+) as AF
SCL, SDA
I2C2
as AF
TIMER 6