上海贝岭股½有限公司
上海贝岭股½有限公司
股½
Shanghai Belling Co., Ltd.
SPECIFICATION
BL22P64 SPECIFICATION
P00/ADC0/INT0
P01/ADC1/INT1
P02/ADC2
P03/ADC3
P04/ADC4
P05/ADC5
P06/ADC6/PWM
P07/ADC7
XIN
XOUT
OSC
PORT 0
Port I/O and
periphery Control
Basic
Timer
Timer 0
HC05 CPU
PORT 1
P10
P11
P12
ADC
PORT 2
4KB ROM
PWM
208B RAM
P20/T0
P21
P22
P23
P24
P25
P26/ADC8/CLO
Block Diagram
5.2 ADDRESS SPACES
$0000-$002F: Control registers
$0030-$00FF: RAM (208 bytes)
$0100-$0FFF: Reserved
$1000-$1FFF: OTP ROM (4096 bytes)
5.3 CONTROL REGISTERS
Control Registers
Register name
T0CNT
T0DATA
T0CON
MCR
BTCON
BTCNT
P0
P1
P2
P0CONH
P0CONL
P0PND
P1CON
P2CONH
P2CONL
PWMDATA
PWMCON
ADCON
Address
$00
$01
$02
$03
$0C
$0D
$10
$11
$12
$16
$17
$18
$19
$1A
$1B
$22
$23
$27
R/W
R
R/W
R/W
R/W
R/W
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset Value
0000 0000
1111 1111
00-- 0-00
---- ---R
0000 1000
0000 0000
0000 0000
---- -000
-000 0000
0000 0000
0000 0000
---- 0000
00-- 0000
-000 0000
0000 0000
0000 0000
00-0 0000
0000 1000
TEL：86-21-64850700
WEB:
www.belling.com.cn
Page 4 of 15
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