Z16FMC32AG20SG Zilog, Z16FMC32AG20SG Datasheet - Page 264

• Manufacturer Part Number: Z16FMC32AG20SG
• Description: Microcontrollers (MCU) 16BIT 32K FL 2K RAM 2UART 12CH 10BIT A/D
• Manufacturer: Zilog
• Series: Z16FMCr

Specifications of Z16FMC32AG20SG

• Processor Series: Z16FMC
• Core: ZNEO
• Data Bus Width: 16 bit
• Program Memory Type: Flash
• Program Memory Size: 32 KB
• Data Ram Size: 2 KB
• Interface Type: I2C, SPI, UART
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 46
• Operating Supply Voltage: 2.7 V to 3.6 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Package / Case: LQFP-64
• Development Tools By Supplier: Z16FMC28200KITG
• Minimum Operating Temperature: 0 C
• Core Processor: ZNEO
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: I²C, IrDA, LIN, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 46
• Eeprom Size: -
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 12x10b
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Lead Free Status / Rohs Status: Details

Operation
PS028702-1210
Flash Read Protection
Flash Write/Erase Protection
Table 138. Information Area Map
The Flash Controller provides the proper signals and timing for Word programming, Page
Erase and Mass erase of the flash memory. The Flash Controller contains a protection
mechanism, using the flash command register (FCMD), to prevent accidental program-
ming or erasure. The following subsections provide details about the various operations
(Lock, Unlock, Sector Protect, Byte Programming, Page Erase and Mass Erase).
The user code within the Flash memory is protected from external access. Programming
the Flash Read Protect option bit prevents reading of user code by the OCD or by using the
Flash Controller Bypass mode. For more information, see the
249 and the
The Z16FMC Series provides several levels of protection against accidental program and
erasure of the Flash memory contents. This protection is provided by the Flash Controller
unlock mechanism, the Flash Sector Protect register and the Flash Write Protect option bit.
Flash Controller Unlock Mechanism
At Reset, the Flash Controller locks to prevent accidental program or erasure of the Flash
memory. To program or erase the Flash memory, the Flash controller must be unlocked.
After unlocking the Flash Controller, the Flash is programmed or erased. Any value writ-
ten by user code to the Flash Command register or Flash Page Select register out of
sequence locks the Flash Controller.
Observe the following steps to unlock the Flash Controller from user code:
1. Write the page to be programmed or erased to the Flash Page Select register.
2. Write the first unlock command
3. Write the second unlock command
Program Memory Address (Hex)
000000H–00003FH
000040H–000053H
000054H–00007FH
On-Chip Debugger
P R E L I M I N A R Y
chapter on page 255.
73H
8CH
to the Flash Command register.
Function
Reserved.
Part Number: a 20-character ASCII alphanu-
meric code that is left-justified and padded with
zeroes.
Reserved.
to the Flash Command register.
Z16FMC Series Motor Control MCUs
Option Bits
Product Specification
chapter on page
Flash Memory
242