![IXYS zilog Z51F6412 Manual Download Page 16](http://html1.mh-extra.com/html/ixys/zilog-z51f6412/zilog-z51f6412_manual_2098946016.webp)
Z51F6412
Product Specification
PS030302-0212
P R E L I M I N A R Y
13
2. Block Diagram
“*” means that the function is not included in Z51F6412A. Check APPENDIX B.
Figure 2-1 Z51F6412 block diagram
On –Chip
Debug
nTEST
M8051
CORE
SFRs
SRAM
(256B)
Flash
(64K byte)
Power on
Reset
Brown Out
Detector
INT-RC OSC
16MHz
Voltage
Down
Convertor
P0
PORT
BIT
WDT
WT
CLOCK/
SYSTEM
CON
TIMER
&
PWM
12-BIT
ADC
DSCL / DSDA
P31/AN9
P30/AN8
P27/AN7
P26/AN6
P25/AN5
P24/AN4
P23/AN3
P22/AN2
P21/AN1
P20/AVREF/AN0
P51/EC0
P52/T0
P53/T1(PWM1)
P54/T2(PWM2)
P55/T3(PWM3)
P56/T4(PWM4)
P57/T5(PWM5)
SPI0
P37/MISO0
P36/MOSI0
P35/SCK0
P34/SSS0
I2C
P07/SDA
P06/SCL
P07~P00
SUBXIN/P04
SUBXOUT/P05
XIN/P62
XOUT/P63
nRESET
VDD
VSS
USART0
P03/RxD0
P02/TxD0
P01/ACK0
P00/USS0
P50/BUZ
BUZZER
P32/AN10
P33/AN11
P34/AN12
P36/AN14
XRAM
(3KB)
VDD18
P1
PORT
P17~P10
P2
PORT
P3
PORT
P4
PORT
P5
PORT
P27~P20
P37~P30
P47~P40
P57~P50
P6 *
PORT
P67~P60
P7 *
PORT
P77~P70
P8 *
PORT
P81~P80
USART1
P33/RxD1
P32/TxD1
P31/ACK1
P30/USS1
USART2
P43/RxD2
P42/TxD2
P41/ACK2
P40/USS2
SPI1
P47/MISO1
P46/MOSI1
P45/SCK1
P44/SSS1
Calculator
P60/EC2
P61/EC3
P65/EC5
P64/EC4
Interrupt
Controller
P00 ~ P07/ PCI0
P70 ~ P77/ PCI7 *
P10/INT0
P11/INT1
P12/INT2
P13/INT3
P14/INT4
P15/INT5
P16/INT6
P17/INT7
PLL
14.75MHz
P35/AN13
USART3
P24/USS3
P25/ACK3
P26/RxD3
P26/TxD3