ZFM-70 SeriesFingerprint Identification Module
User Manual
www.zhiantec.com
Hangzhou Zhian Technologies Co.,Ltd
26
Page 1: read the 256-511 finger template list;
Page 2: read the 512-767 finger template list;
Page 3: read the 768-1023 finger template list;
Return parameter: confirmation code(1 byte), template lists;
Instruction code: 1fH
Command (or instruction) package format:
Header
Module address
Package
identifier
Package length
Instruction code
List page
Checksum
2 bytes
4bytes
1 byte
2 bytes
1 byte
1 byte
2 bytes
0xEF01
Xxxx
01H
0004H
0fH
0/1/2/3
sum
Acknowledge package format:
Header
Module
address
Package
identifier
Package
length
Confirmation code
Con List
Checksum
2 bytes
4bytes
1 byte
2 bytes
1 byte
32 bytes
2 bytes
0xEF01
xxxx
07H
0023H
xxH
See following table
sum
Note: 1
、
confirmation code = 00h: read template list success;
Confirmation code = 01h: package receiving wrong;
2
、
Each time it can read 256 list data; if the data bit less than 256 it should defined as 0;
3
、
list data structure: 1 group maintains 8 bit and can be output by the high bit firstly.
For details please see below table:
Transfer sequence
Output from low byte to hig byte in order and every byte should be output by the highest bit
The lowest byte
Template NO.
7
6
5
4
3
2
1
0
List data
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
The second lowest
byte
Template NO.
15
14
13
12
11
10
9
8
List data
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
……
……
……
The highest byte
Template NO.
255
254
253
252
251
250
249
248
List data
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
Note:list data 0 means there is no template in this place while 1 means exists.
6.2.7
Read valid template number
Description: read the current valid template number of the Module
Input Parameter: none
Return Parameter: Confirmation code (1 byte)
，
template number:N
Instruction code: 1dH
Command (or instruction) package format:
Header
Module address
Package
identifier
Package length
Instruction code
Checksum
