FT51A Advanced MCU with 8051 Compatible Core IC Datasheet
Version 1.5
Document No.: FT_000877
Clearance No.: FTDI#420
Table of Contents
1 Typical Applications...................................................... 2
1.1 Part Numbers ......................................................................... 2
1.2 USB Compliant........................................................................ 2
2 Device Pin Out and Signal Description........................... 5
2.1 Pin Out - 28 pin SSOP............................................................. 5
2.2 Pin Out - 32 pin WQFN ........................................................... 6
2.3 Pin Out - 44-Pin LQFP............................................................. 7
2.4 Pin Out - 48-Pin WQFN............................................................ 8
2.5 Pin Configuration Description.................................................. 9
3 Functional Description................................................ 11
3.1 Key Features..........................................................................11
3.1.1
Functional Integration .............................................................................11
3.1.2
8051 Core.............................................................................................11
3.2 Functional Block Descriptions.................................................12
3.2.1
8051 Ports 0 - 3.....................................................................................12
Timers and Watchdog..............................................................................12
PLL Control............................................................................................13
16KB Multi-Time Programmable (MTP) memory ...........................................13
8KB Data RAM .......................................................................................13
16KB Shadow RAM .................................................................................13
Special Function Register .........................................................................13
IO Registers ..........................................................................................13
LDO Regulators......................................................................................13
BCD Detect ...........................................................................................13
USB XCVR.............................................................................................14
IO Multiplexer........................................................................................14
I2C Master.............................................................................................14
I2C Slave ..............................................................................................15
SPI Slave ..............................................................................................15
SPI Master ............................................................................................15
Debugger..............................................................................................15
245 FIFO ..............................................................................................16
PWM ....................................................................................................16
Digital IO pins........................................................................................16
Analogue IO pins....................................................................................16
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
3.2.8
3.2.9
3.2.10
3.2.11
3.2.12
3.2.13
3.2.14
3.2.15
3.2.16
3.2.17
3.2.18
3.2.19
3.2.20
3.2.21
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